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Eon P, Ouerdane L, Goupil A, Vidal A, Cornu JY. Copper dynamics in vineyard topsoils as affected by the supply of aerated compost tea: insights from a batch experiment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 356:124382. [PMID: 38897280 DOI: 10.1016/j.envpol.2024.124382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/13/2024] [Accepted: 06/16/2024] [Indexed: 06/21/2024]
Abstract
Aerated compost teas (ACTs) are rich in soluble humic substances (SHS) that have high affinity for metals, notably Cu. Using a batch experiment, we measured the extent to which two ACTs altered Cu dynamics in vineyard topsoils one day and 21 days after their addition. Soils were extracted with 0.01 M KCl, and total Cu concentration, free Cu ion fraction and size distribution of Cu ligands were measured in the extraction solution to assess the impact of ACT on the mobility of Cu. Diffusive gradient in thin film (DGT) measurements were carried out to assess the effect of ACT on Cu bioavailability, and the dissociation rate of Cu-SHS complexes was measured. The results revealed that ACT increased the mobility of Cu from a factor 1.2 to 5.8 depending on the soil, the ACT and the incubation time. Cu mobilization was associated with an increase in absorbance at 254 nm and a decrease in the free Cu ion fraction in the KCl extract. Associated with the strong agreement between the size distribution of SHS and that of Cu ligands in the KCl extract of soils treated with ACT, these results showed that Cu was mobilized through complexation by the SHS present in ACTs. A fraction of the SHS supplied with ACTs sorbed onto the soil constituents, notably in calcareous soils where this fraction reached 86% for ACT B. Between 15% and 50% of the SHS remaining in solution degraded between day one and day 21 under the presumed action of microflora. This explains why the Cu mobilization efficiency of ACTs was on average lower in calcareous soils than in non-calcareous soils, and decreased with time. Lastly, ACT increased the bioavailability of Cu in soils from a factor 1.3 to 4.2, due to the relatively high dissociation rate of Cu-SHS complexes.
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Affiliation(s)
- Pierre Eon
- ISPA, Bordeaux Sciences Agro, INRAE, 33140 Villenave d'Ornon, France.
| | - Laurent Ouerdane
- Université de Pau et des Pays de l'Adour, e2s UPPA, CNRS, IPREM-UMR 5254, Hélioparc, Pau, France
| | - Alex Goupil
- Université de Pau et des Pays de l'Adour, e2s UPPA, CNRS, IPREM-UMR 5254, Hélioparc, Pau, France
| | - Agathe Vidal
- ISPA, Bordeaux Sciences Agro, INRAE, 33140 Villenave d'Ornon, France
| | - Jean-Yves Cornu
- ISPA, Bordeaux Sciences Agro, INRAE, 33140 Villenave d'Ornon, France
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Su C, Chen A, Liang W, Xie W, Xu X, Zhan X, Zhang W, Peng C. Copper-based nanomaterials: Opportunities for sustainable agriculture. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:171948. [PMID: 38527545 DOI: 10.1016/j.scitotenv.2024.171948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 03/08/2024] [Accepted: 03/22/2024] [Indexed: 03/27/2024]
Abstract
The exponential growth of the global population has resulted in a significant surge in the demand for food worldwide. Additionally, the impact of climate change has exacerbated crop losses caused by pests and pathogens. The transportation and utilization of traditional agrochemicals in the soil are highly inefficient, resulting in significant environmental losses and causing severe pollution of both the soil and aquatic ecosystems. Nanotechnology is an emerging field with significant potential for market applications. Among metal-based nanomaterials, copper-based nanomaterials have demonstrated remarkable potential in agriculture, which are anticipated to offer a promising alternative approach for enhancing crop yields and managing diseases, among other benefits. This review firstly performed co-occurrence and clustering analyses of previous studies on copper-based nanomaterials used in agriculture. Then a comprehensive review of the applications of copper-based nanomaterials in agricultural production was summarized. These applications primarily involved in nano-fertilizers, nano-regulators, nano-stimulants, and nano-pesticides for enhancing crop yields, improving crop resistance, promoting crop seed germination, and controlling crop diseases. Besides, the paper concluded the potential impact of copper-based nanomaterials on the soil micro-environment, including soil physicochemical properties, enzyme activities, and microbial communities. Additionally, the potential mechanisms were proposed underlying the interactions between copper-based nanomaterials, pathogenic microorganisms, and crops. Furthermore, the review summarized the factors affecting the application of copper-based nanomaterials, and highlighted the advantages and limitations of employing copper-based nanomaterials in agriculture. Finally, insights into the future research directions of nano-agriculture were put forward. The purpose of this review is to encourage more researches and applications of copper-based nanomaterials in agriculture, offering a novel and sustainable strategy for agricultural development.
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Affiliation(s)
- Chengpeng Su
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Anqi Chen
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Weiyu Liang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Wenwen Xie
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xiang Xu
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xiuping Zhan
- Shanghai Agricultural Technology Extension and Service Center, Shanghai 201103, China
| | - Wei Zhang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Cheng Peng
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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Tchouakeu Betnga PF, Poggesi S, Darnal A, Longo E, Rudari E, Boselli E. Terroir Dynamics: Impact of Vineyard and Canopy Treatment with Chitosan on Anthocyanins, Phenolics, and Volatile and Sensory Profiles of Pinot Noir Wines from South Tyrol. Molecules 2024; 29:1916. [PMID: 38731406 PMCID: PMC11085818 DOI: 10.3390/molecules29091916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 04/12/2024] [Accepted: 04/18/2024] [Indexed: 05/13/2024] Open
Abstract
The effects of canopy treatment with chitosan and the effects of the vineyard location on the quality parameters, volatile and non-volatile profiles, and sensory profile of Pinot Noir wines from South Tyrol (Italy) were studied. Multivariate statistical analysis was applied to identify the most relevant compounds associated with the variability in phenolics and anthocyanins (analyzed by UHPLC-MS), volatile components (HS-SPME-GCxGC-ToF/MS), and basic enological parameters. A clear separation of low-altitude wines (350 m.a.s.l.), which had a high concentration of most of the identified volatile compounds, compared to high-altitude wines (800 and 1050-1150 m.a.s.l.) was pointed out. Low altitude minimized the concentration of the most significant anthocyanins in wines from a valley bottom, presumably due to reduced sun exposure. Wines obtained from chitosan-treated canopies, and, more particularly, those subjected to multiple treatments per year showed a higher amount of the main non-volatile phenolics and were sensorially described as having "unpleasant flavors" and "odors", which might suggest that grape metabolism is slightly altered compared to untreated grapevines. Thus, optimization of the treatment with chitosan should be further investigated.
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Affiliation(s)
- Prudence Fleur Tchouakeu Betnga
- Faculty of Agricultural, Environmental and Food Sciences, Free University of Bozen-Bolzano, Piazza Università 1, 39100 Bolzano, Italy; (P.F.T.B.); (A.D.); (E.R.); (E.B.)
- Oenolab, NOITechPark Alto Adige/Südtirol, Via A. Volta 13B, 39100 Bolzano, Italy
| | - Simone Poggesi
- Food Experience and Sensory Testing (Feast) Lab., Massey University, Palmerston North 4410, New Zealand;
| | - Aakriti Darnal
- Faculty of Agricultural, Environmental and Food Sciences, Free University of Bozen-Bolzano, Piazza Università 1, 39100 Bolzano, Italy; (P.F.T.B.); (A.D.); (E.R.); (E.B.)
- Oenolab, NOITechPark Alto Adige/Südtirol, Via A. Volta 13B, 39100 Bolzano, Italy
| | - Edoardo Longo
- Faculty of Agricultural, Environmental and Food Sciences, Free University of Bozen-Bolzano, Piazza Università 1, 39100 Bolzano, Italy; (P.F.T.B.); (A.D.); (E.R.); (E.B.)
- Oenolab, NOITechPark Alto Adige/Südtirol, Via A. Volta 13B, 39100 Bolzano, Italy
| | - Elena Rudari
- Faculty of Agricultural, Environmental and Food Sciences, Free University of Bozen-Bolzano, Piazza Università 1, 39100 Bolzano, Italy; (P.F.T.B.); (A.D.); (E.R.); (E.B.)
| | - Emanuele Boselli
- Faculty of Agricultural, Environmental and Food Sciences, Free University of Bozen-Bolzano, Piazza Università 1, 39100 Bolzano, Italy; (P.F.T.B.); (A.D.); (E.R.); (E.B.)
- Oenolab, NOITechPark Alto Adige/Südtirol, Via A. Volta 13B, 39100 Bolzano, Italy
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Pimentão AR, Cuco AP, Pascoal C, Cássio F, Castro BB. Current trends and mismatches on fungicide use and assessment of the ecological effects in freshwater ecosystems. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 347:123678. [PMID: 38447649 DOI: 10.1016/j.envpol.2024.123678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 01/17/2024] [Accepted: 02/27/2024] [Indexed: 03/08/2024]
Abstract
Despite increasing evidence of off-site ecological impacts of pesticides and policy efforts worldwide, pesticide use is still far from being ecologically sustainable. Fungicides are among the most sold classes of pesticides and are crucial to ensure global food supply and security. This study aimed to identify potential gaps of knowledge and mismatches between research and usage data of fungicides by: (i) systematizing the current trends in global sales of fungicides, focusing on the European context in particular (where they are proportionally important); (ii) reviewing the scientific literature on the impacts of synthetic fungicides on non-target freshwater organisms. Sales data revealed important global and regional asymmetries in the relative importance of fungicides and the preferred active ingredients. The literature review on the ecological effects of fungicides disclosed a mismatch between the most studied and the most sold substances, as well as a bias towards the use of single species assays with standard test organisms. To ensure a proper evaluation, risk scenarios should focus on a regional scale, and research agendas must highlight sensitive aquatic ecorreceptors and improve the crosstalk between analytical and sales data.
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Affiliation(s)
- Ana Rita Pimentão
- Centre of Molecular and Environmental Biology (CBMA), Aquatic Research Network (ARNET), Department of Biology, University of Minho, Braga, Portugal; Institute of Science and Innovation for Bio-Sustainability (IB-S), School of Sciences, University of Minho, Braga, Portugal
| | - Ana Patrícia Cuco
- Centre of Molecular and Environmental Biology (CBMA), Aquatic Research Network (ARNET), Department of Biology, University of Minho, Braga, Portugal; Institute of Science and Innovation for Bio-Sustainability (IB-S), School of Sciences, University of Minho, Braga, Portugal; University of Aveiro, Aveiro, Portugal
| | - Cláudia Pascoal
- Centre of Molecular and Environmental Biology (CBMA), Aquatic Research Network (ARNET), Department of Biology, University of Minho, Braga, Portugal; Institute of Science and Innovation for Bio-Sustainability (IB-S), School of Sciences, University of Minho, Braga, Portugal
| | - Fernanda Cássio
- Centre of Molecular and Environmental Biology (CBMA), Aquatic Research Network (ARNET), Department of Biology, University of Minho, Braga, Portugal; Institute of Science and Innovation for Bio-Sustainability (IB-S), School of Sciences, University of Minho, Braga, Portugal
| | - Bruno B Castro
- Centre of Molecular and Environmental Biology (CBMA), Aquatic Research Network (ARNET), Department of Biology, University of Minho, Braga, Portugal; Institute of Science and Innovation for Bio-Sustainability (IB-S), School of Sciences, University of Minho, Braga, Portugal.
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Kovács B, Andreolli M, Lampis S, Biró B, Kotroczó Z. Bacterial Community Structure Responds to Soil Management in the Rhizosphere of Vine Grape Vineyards. BIOLOGY 2024; 13:254. [PMID: 38666866 PMCID: PMC11048173 DOI: 10.3390/biology13040254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 04/08/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024]
Abstract
The microbial communities of the rhizospheres of vineyards have been subject to a considerable body of research, but it is still unclear how the applied soil cultivation methods are able to change the structure, composition, and level of diversity of their communities. Rhizosphere samples were collected from three neighbouring vineyards with the same time of planting and planting material (rootstock: Teleki 5C; Vitis vinifera: Müller Thurgau). Our objective was to examine the diversity occurring in bacterial community structures in vineyards that differ only in the methods of tillage procedure applied, namely intensive (INT), extensive (EXT), and abandoned (AB). For that we took samples from two depths (10-30 cm (shallow = S) and 30-50 cm (deep = D) of the grape rhizosphere in each vineyard and the laboratory and immediately prepared the slices of the roots for DNA-based analysis of the bacterial communities. Bacterial community structure was assessed by means of PCR-DGGE analysis carried out on the v3 region of 16S rRNA gene. Based on the band composition of the DGGE profiles thus obtained, the diversity of the microbial communities was evaluated and determined by the Shannon-Weaver index (H'). Between the AB and EXT vineyards at the S depth, the similarity of the community structure was 55%; however, the similarity of the D samples was more than 80%, while the difference between the INT samples and the other two was also higher than 80%. Based on our results, we can conclude that intensive cultivation strongly affects the structure and diversity of the bacterial community.
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Affiliation(s)
- Barnabás Kovács
- Institute of Viticulture and Enology, Hungarian University of Agriculture and Life Sciences, 8360 Keszthely, Hungary
| | - Marco Andreolli
- Department of Biotechnology & Verona University Culture Collection-Department of Biotechnology (VUCC-DBT), University of Verona, 37134 Verona, Italy; (M.A.); (S.L.)
| | - Silvia Lampis
- Department of Biotechnology & Verona University Culture Collection-Department of Biotechnology (VUCC-DBT), University of Verona, 37134 Verona, Italy; (M.A.); (S.L.)
| | - Borbála Biró
- Department of Agro-Environmental Studies, Hungarian University of Agriculture and Life Sciences, 1118 Budapest, Hungary; (B.B.); (Z.K.)
| | - Zsolt Kotroczó
- Department of Agro-Environmental Studies, Hungarian University of Agriculture and Life Sciences, 1118 Budapest, Hungary; (B.B.); (Z.K.)
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6
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Liu W, Qin Y, Liu S, Xing R, Yu H, Li P. Synthesis and Characterization of Slow-Release Chitosan Oligosaccharide Pyridine Schiff Base Copper Complexes with Antifungal Activity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:3872-3883. [PMID: 38358096 DOI: 10.1021/acs.jafc.3c04601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
Herein, a series of chitosan oligosaccharide copper complexes modified with pyridine groups (CPSx-Cu complexes) were successfully prepared via the Schiff base reaction and ion complexation reaction for slow-release fungicide. The structures of the synthesized derivatives were characterized via Fourier transform infrared spectroscopy and 1H and 13C nuclear magnetic resonance spectroscopy, and the unit configuration of the complexes was calculated using Gaussian software. The slow-release performance experiment demonstrated that the cumulative copper ion release rate of CPSx-Cu complexes was dependent on the type of substituents on the pyridine ring. Furthermore, the in vitro and in vivo antifungal activities of the CPSx-Cu complexes were investigated. At a concentration of 0.4 mg/mL, CPSx-Cu complexes completely inhibited the growth of Pythium vexans and Phytophthora capsici. Results indicated that CPSx-Cu complexes with slow-release ability exhibited better antifungal activity than thiodiazole-copper and copper sulfate basic. This study confirmed that combining chitosan oligosaccharide with bioactive pyridine groups and copper ions is an effective approach to further developing slow-release copper fungicides, providing new possibilities for the application of copper fungicides in green agriculture. This study lays the foundation for further studies on biogreen copper fungicides.
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Affiliation(s)
- Weixiang Liu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Yukun Qin
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Song Liu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Ronge Xing
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Huahua Yu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
| | - Pengcheng Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
- Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 1 Wenhai Road, Qingdao 266237, China
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Pesce S, Mamy L, Sanchez W, Artigas J, Bérard A, Betoulle S, Chaumot A, Coutellec MA, Crouzet O, Faburé J, Hedde M, Leboulanger C, Margoum C, Martin-Laurent F, Morin S, Mougin C, Munaron D, Nélieu S, Pelosi C, Leenhardt S. The use of copper as plant protection product contributes to environmental contamination and resulting impacts on terrestrial and aquatic biodiversity and ecosystem functions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-32145-z. [PMID: 38324154 DOI: 10.1007/s11356-024-32145-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 01/18/2024] [Indexed: 02/08/2024]
Abstract
Copper-based plant protection products (PPPs) are widely used in both conventional and organic farming, and to a lesser extent for non-agricultural maintenance of gardens, greenspaces, and infrastructures. The use of copper PPPs adds to environmental contamination by this trace element. This paper aims to review the contribution of these PPPs to the contamination of soils and waters by copper in the context of France (which can be extrapolated to most of the European countries), and the resulting impacts on terrestrial and aquatic biodiversity, as well as on ecosystem functions. It was produced in the framework of a collective scientific assessment on the impacts of PPPs on biodiversity and ecosystem services in France. Current science shows that copper, which persists in soils, can partially transfer to adjacent aquatic environments (surface water and sediment) and ultimately to the marine environment. This widespread contamination impacts biodiversity and ecosystem functions, chiefly through its effects on phototrophic and heterotrophic microbial communities, and terrestrial and aquatic invertebrates. Its effects on other biological groups and biotic interactions remain relatively under-documented.
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Affiliation(s)
| | - Laure Mamy
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | | | - Joan Artigas
- Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome Et Environnement (LMGE), 63000, Clermont-Ferrand, France
| | - Annette Bérard
- INRAE, Avignon Université, UMR EMMAH, 84000, Avignon, France
| | - Stéphane Betoulle
- Université de Reims Champagne-Ardenne, Normandie Université, ULH, INERIS, SEBIO, UMR-I 02, 51100, Reims, France
| | | | - Marie-Agnès Coutellec
- DECOD (Ecosystem Dynamics and Sustainability), INRAE, Institut Agro-Agrocampus Ouest, IFREMER, Rennes, France
| | - Olivier Crouzet
- OFB, Direction Recherche Et Appui Scientifique, Service Santé-Agri, 78610, Auffargis, France
| | - Juliette Faburé
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | | | | | | | - Fabrice Martin-Laurent
- Agroécologie, Institut Agro, INRAE, Université Bourgogne-Franche-Comté, 21110, Dijon, France
| | | | - Christian Mougin
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | | | - Sylvie Nélieu
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | - Céline Pelosi
- INRAE, Avignon Université, UMR EMMAH, 84000, Avignon, France
| | - Sophie Leenhardt
- INRAE, Directorate for Collective Scientific Assessment, Foresight and Advanced Studies, 75338, Paris, France
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Ren Q, Khan A, Zhang J, Bao Y, Khan MT, Wang J, Xu S, Zhang M. Fungal community dynamics associated with the outbreaks of sugarcane root rot disease. Microbiol Spectr 2024; 12:e0309023. [PMID: 38189328 PMCID: PMC10845956 DOI: 10.1128/spectrum.03090-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 11/30/2023] [Indexed: 01/09/2024] Open
Abstract
Sugarcane is a critical sugar and bioenergy crop in China. However, numerous factors, including root rot disease, hamper its yield. Root rot disease is a severe agricultural issue, reducing yield and threatening sustainable crop production. The current study aimed to explore the fungal community structure, identify and characterize the primary pathogen for sugarcane root rot in Guangzhou, China. Eighty-nine samples of sugarcane root, stalk, rhizosphere soil, and irrigation water were collected from five sites in Guangzhou, China. Subsequently, 276 fungal strains were isolated to identify the primary pathogens. The five most common genera identified were Penicillium, Fusarium, Gongronella, Trichoderma, and Cladosporium. Fusarium was more prevalent in the infected soil samples than in healthy ones. Pathogenic assays of the strains revealed that the strain GX4-46 caused 80% of the disease. The strain was confirmed as Fusarium commune through phylogenetic and genome sequence analysis. Rhizosphere soil samples from different regional crops were collected to better understand the fungal community structure and the primary pathogen. We observed a significant presence of Fusarium in irrigation water, indicating that the root rot disease could originate from the irrigation water and then spread as a soil-borne disease. This research is pioneering and one of the most comprehensive investigations on the occurrence and prevalence of sugarcane root rot disease. This study will serve as a reference for expanding the sugarcane industry and a foundation for further exploration and control of root rot.IMPORTANCESugarcane, a significant economic crop, faces challenges due to root rot pathogens that accumulate each year in plants and soil through ratoon planting. This disrupts soil microbial balance and greatly impedes sugarcane industry growth. Symptoms range from wilting and yellowing leaves to stunted growth and reduced seedling tillers. The rhizosphere microbiota plays an important role in plant development and soil health. Little is known about root rot fungal community structure, especially in sugarcane. Here, we focused on exploring the main causative pathogen of root rot in the area alongside a detailed survey of the rhizosphere soil of different severity sugarcane cultivars and rotation crops of the region. To validate the findings, we also investigated the irrigation water of the area. Our study revealed Fusarium commune as the causative pathogen of root rot in the area, primarily originating from water and later as soil-borne. Using Trichoderma can control the disease effectively.
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Affiliation(s)
- Qingxiao Ren
- Guangxi Key Laboratory of Sugarcane Biology, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, China
| | - Abdullah Khan
- Guangxi Key Laboratory of Sugarcane Biology, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, China
| | - Jinxu Zhang
- Guangxi Key Laboratory of Sugarcane Biology, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, China
| | - Yixue Bao
- Guangxi Key Laboratory of Sugarcane Biology, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, China
| | - Muhammad Tahir Khan
- National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Jihua Wang
- Crop Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Shiqiang Xu
- Crop Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Muqing Zhang
- Guangxi Key Laboratory of Sugarcane Biology, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, China
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9
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Ouédraogo F, Cornu JY, Fanin N, Janot N, Sourzac M, Parlanti E, Denaix L. Changes over time in organic matter dynamics and copper solubility in a vineyard soil after incorporation of cover crop residues: Insights from a batch experiment. CHEMOSPHERE 2024; 350:141137. [PMID: 38199494 DOI: 10.1016/j.chemosphere.2024.141137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/15/2023] [Accepted: 01/04/2024] [Indexed: 01/12/2024]
Abstract
Cover crops (CCs) are increasingly used in viticulture because they benefit the soil and the environment in many ways. This study investigated the extent to which the incorporation of CC residues altered organic matter (OM) and Cu dynamics in a Cu-contaminated vineyard topsoil. A 92-day incubation period was used to monitor changes over time in carbon mineralization, carbon hydrolytic enzyme activity, concentration and optical properties of dissolved organic matter (DOM), and Cu solubility after the addition (or not) of two CC residues, oat or faba bean. The results revealed that adding CCs transitorily increased the concentration of DOM in soil solution, as well as the activity of C hydrolytic enzymes and C mineralization rates. DOM content was approximately two orders of magnitude higher in CC-amended soils than in the control soil on day 0, after which it gradually decreased to reach concentrations similar to those measured in the control soil on day 92. Analyses of DOM optical properties showed that its molecular weight and degree of humification increased over time with a decrease in its concentration. The close relationship between DOM and Cu concentrations in the soil solution suggests that degradation of CCs releases soluble forms of C capable of complexing and solubilizing Cu, and hence that incorporating CC residues can transitorily increase the solubility of Cu in vineyard topsoils. Despite their different C:N ratios, oat and faba bean had almost the same effect on Cu dynamics, implying that C inputs played a prominent role in explaining the interactions between OM and Cu within the timeframe of our experiment. In conclusion, this study enabled recommendations on how to mitigate the risk of Cu ecotoxicity associated with incorporating CCs in Cu-contaminated vineyard soils.
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Affiliation(s)
- Frédéric Ouédraogo
- ISPA, Bordeaux Sciences Agro, INRAE, 33140 Villenave d'Ornon, France; University of Bordeaux, UMR CNRS 5805, EPOC, 33400, Talence, France
| | - Jean-Yves Cornu
- ISPA, Bordeaux Sciences Agro, INRAE, 33140 Villenave d'Ornon, France.
| | - Nicolas Fanin
- ISPA, Bordeaux Sciences Agro, INRAE, 33140 Villenave d'Ornon, France
| | - Noémie Janot
- ISPA, Bordeaux Sciences Agro, INRAE, 33140 Villenave d'Ornon, France
| | - Mahaut Sourzac
- University of Bordeaux, UMR CNRS 5805, EPOC, 33400, Talence, France
| | - Edith Parlanti
- University of Bordeaux, UMR CNRS 5805, EPOC, 33400, Talence, France
| | - Laurence Denaix
- ISPA, Bordeaux Sciences Agro, INRAE, 33140 Villenave d'Ornon, France
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10
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Schoffer JT, Solari F, Petit-Dit-Grézériat L, Pelosi C, Ginocchio R, Yáñez C, Mazuela P, Neaman A. The downside of copper pesticides: An earthworm's perspective. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:16076-16084. [PMID: 38240972 DOI: 10.1007/s11356-024-32078-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 01/15/2024] [Indexed: 01/31/2024]
Abstract
The widespread use of copper-based pesticides, while effective in controlling plant diseases, has been identified as a major source of copper contamination in soils. This raises concerns about potential adverse effects on earthworms, key players in soil health and ecosystem function. To inform sustainable pesticide practices, this study aimed to establish copper toxicity thresholds for earthworm avoidance in agricultural soils impacted by copper-based pesticides. We collected 40 topsoil samples (0-5 cm) from orchards and vineyards in the O'Higgins Region of central Chile, and 10 additional soils under native vegetation as background references. A standardized avoidance bioassay using Eisenia fetida assessed the impact of copper-based pesticides on the soils. Total copper concentrations ranged between 23 and 566 mg kg-1, with observed toxic effects on earthworms in certain soils. The effective concentration at 50% (EC50) for total soil copper, determined by Eisenia fetida's avoidance response, was 240 mg kg-1, with a 95% confidence interval of 193-341 mg kg-1. We further compared our EC50 values with existing data from agricultural soils impacted by mining activities. Interestingly, the results revealed a remarkable similarity between the thresholds for earthworm avoidance, regardless of the source of copper contamination. This observation underscores the universality of copper toxicity in agricultural ecosystems and its potential impact on soil biota. This study provides novel insights into copper toxicity thresholds for earthworms in real-world, pesticide-contaminated soils.
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Affiliation(s)
- Jorge Tomás Schoffer
- Center of Applied Ecology and Sustainability (CAPES), Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Fiama Solari
- Center of Applied Ecology and Sustainability (CAPES), Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Lucas Petit-Dit-Grézériat
- INRAE, Avignon Université, UMR EMMAH, Avignon, France
- Avignon Université, IMBE, Pôle Agroscience, Avignon, France
| | - Céline Pelosi
- INRAE, Avignon Université, UMR EMMAH, Avignon, France
| | - Rosanna Ginocchio
- Center of Applied Ecology and Sustainability (CAPES), Pontificia Universidad Católica de Chile, Santiago, Chile
- Departamento de Ecosistemas y Medio Ambiente, Facultad de Agronomía y Sistemas Naturales, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Carolina Yáñez
- Instituto de Biología, Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile
| | - Pilar Mazuela
- Facultad de Ciencias Agronómicas, Universidad de Tarapacá, Arica, Chile
| | - Alexander Neaman
- Facultad de Ciencias Agronómicas, Universidad de Tarapacá, Arica, Chile.
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11
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Deng H, Wang F, Wu Q, Sun H, Ma J, Ni R, Li Z, Zhang L, Zhang J, Liu M. Novel Multiresistant Osmotin-like Protein from Sweetpotato as a Promising Biofungicide to Control Ceratocystis fimbriata by Destroying Spores through Accumulation of Reactive Oxygen Species. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:1487-1499. [PMID: 38215405 DOI: 10.1021/acs.jafc.3c07663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2024]
Abstract
Osmotin-like proteins (OLPs) play an important role in host-plant defense. In this study, a novel multiresistant OLP (IbOLP1) was screened from sweetpotato (Ipomoea batatas) with a molecular weight of 26.3 kDa. The expression level of IbOLP1 was significantly higher in resistant cultivars than susceptible ones after inoculation with Ceratocystis fimbriata, which causes black rot disease in sweetpotato. The expression of IbOLP1 in Pichia pastoris led to the lysis of yeast cells themselves. The recombinant IbOLP1 displayed antifungal, antibacterial, and antinematode activity and stability. IbOLP1 could restrain the mycelial growth and lyse spores of C. fimbriata, distinctly reducing the incidence of black rot in sweetpotato. The IbOLP1 can trigger the apoptosis of black rot spores by elevating the intracellular levels of reactive oxygen species. Collectively, these findings suggest that IbOLP1 can be used to develop natural antimicrobial resources instead of chemical agents and generate new, disease-resistant germplasm.
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Affiliation(s)
- Huangyue Deng
- Department of Plant Biology, School of Life Sciences, Jiangsu Normal University, Xuzhou, Jiangsu Province 221116, China
| | - Fangrui Wang
- Department of Plant Biology, School of Life Sciences, Jiangsu Normal University, Xuzhou, Jiangsu Province 221116, China
| | - Qian Wu
- Department of Plant Biology, School of Life Sciences, Jiangsu Normal University, Xuzhou, Jiangsu Province 221116, China
| | - Houjun Sun
- Xuzhou Institute of Agricultural Sciences in Jiangsu, Xuhuai District, Xuzhou, Jiangsu Province 221131, China
| | - Jukui Ma
- Xuzhou Institute of Agricultural Sciences in Jiangsu, Xuhuai District, Xuzhou, Jiangsu Province 221131, China
| | - Rui Ni
- Department of Plant Biology, School of Life Sciences, Jiangsu Normal University, Xuzhou, Jiangsu Province 221116, China
| | - Zongyun Li
- Department of Plant Biology, School of Life Sciences, Jiangsu Normal University, Xuzhou, Jiangsu Province 221116, China
| | - Liming Zhang
- Crop Research Institute, Shandong Academy of Agricultural Sciences, Jinan, Shandong Province 250100, China
| | - Jian Zhang
- Department of Plant Biology, School of Life Sciences, Jiangsu Normal University, Xuzhou, Jiangsu Province 221116, China
| | - Meiyan Liu
- Department of Plant Biology, School of Life Sciences, Jiangsu Normal University, Xuzhou, Jiangsu Province 221116, China
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12
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Yang Z, Gaillard JF. Dissolution kinetics of copper oxide nanoparticles in presence of glyphosate. NANOIMPACT 2024; 33:100492. [PMID: 38195029 DOI: 10.1016/j.impact.2024.100492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 12/31/2023] [Accepted: 01/03/2024] [Indexed: 01/11/2024]
Abstract
Recently CuO nanoparticles (n-CuO) have been proposed as an alternative method to deliver a Cu-based pesticide for controlling fungal infestations. With the concomitant use of glyphosate as an herbicide, the interactions between n-CuO and this strong ligand need to be assessed. We investigated the dissolution kinetics of n-CuO and bulk-CuO (b-CuO) particles in the presence of a commercial glyphosate product and compared it to oxalate, a natural ligand present in soil water. We performed experiments at concentration levels representative of the conditions under which n-CuO and glyphosate would be used (∼0.9 mg/L n-CuO and 50 μM of glyphosate). As tenorite (CuO) dissolution kinetics are known to be surface controlled, we determined that at pH 6.5, T ∼ 20 °C, using KNO3 as background electrolyte, the presence of glyphosate leads to a dissolution rate of 9.3 ± 0.7 ×10-3 h-1. In contrast, in absence of glyphosate, and under the same conditions, it is 2 orders of magnitude less: 8.9 ± 3.6 ×10-5 h-1. In a more complex multi-electrolyte aqueous solution the same effect is observed; glyphosate promotes the dissolution rates of n-CuO and b-CuO within the first 10 h of reaction by a factor of ∼2 to ∼15. In the simple KNO3 electrolyte, oxalate leads to dissolution rates of CuO about two times faster than glyphosate. However, the kinetic rates within the first 10 h of reaction are about the same for the two ligands when the reaction takes place in the multi-electrolyte solution as oxalate is mostly bound to Ca2+ and Mg2+.
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Affiliation(s)
- Zhaoxun Yang
- Department of Civil and Environmental Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3109, USA.
| | - Jean-François Gaillard
- Department of Civil and Environmental Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3109, USA.
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13
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Cai Y, Tian T, Huang Y, Yao H, Qi X, Fan J, Kuang Y, Chen J, Li X, Kadokami K. Occurrence and Health Risks of Organic Micropollutants in Tap Water in Dalian. Chem Res Toxicol 2023; 36:1938-1946. [PMID: 38039423 DOI: 10.1021/acs.chemrestox.3c00221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2023]
Abstract
Organic micropollutants (OMPs) in tap water may pose risks to human health. Previous studies on the potential health risks of OMPs in tap water may have underestimated the potential health risks of OMPs due to their limited coverage in target pollutants and incomplete toxicity data. In this study, tap water samples were collected in 37 sampling sites in Dalian, China. More than 1,200 target pollutants were screened by combining screening analysis and target analysis. A total of 93 OMPs were detected, with concentration summation ranging from 157 to 1.7 × 104 ng/L among different sampling sites. A total of 17 OMPs (12 agrochemicals, 3 pharmaceuticals and personal care products, and 2 other compounds) were detected in over 80% of the sampling sites. Especially, imidacloprid, tebuconazole, and atrazine-desethyl were found in all the sampling sites. Computational toxicology models were adopted to predict the missing toxicity threshold values of the identified chemicals. Noncarcinogenic risks were estimated to be negligible among all the sampling sites, while carcinogenic risks at six sites were above 10-6 but below 10-4, indicating non-negligible risks. Griseofulvin contributed the most to the carcinogenic risk. This study offers valuable insights that can guide future initiatives to safeguard tap water safety.
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Affiliation(s)
- Yuantian Cai
- Key Laboratory of Industrial Ecology and Environmental Engineering, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Tian Tian
- Key Laboratory of Industrial Ecology and Environmental Engineering, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Yang Huang
- Key Laboratory of Industrial Ecology and Environmental Engineering, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Hongye Yao
- Key Laboratory of Industrial Ecology and Environmental Engineering, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Xiaojuan Qi
- Key Laboratory of Industrial Ecology and Environmental Engineering, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Jun Fan
- Key Laboratory of Industrial Ecology and Environmental Engineering, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Yidan Kuang
- Key Laboratory of Industrial Ecology and Environmental Engineering, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Jingwen Chen
- Key Laboratory of Industrial Ecology and Environmental Engineering, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Xuehua Li
- Key Laboratory of Industrial Ecology and Environmental Engineering, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Kiwao Kadokami
- Institute of Environmental Science and Technology, University of Kitakyushu, Kitakyushu, Fukuoka 808-0135, Japan
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14
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Chtioui W, Heleno S, Migheli Q, Rodrigues P. Plant extracts as biocontrol agents against Aspergillus carbonarius growth and ochratoxin A production in grapes. Int J Food Microbiol 2023; 407:110425. [PMID: 37804776 DOI: 10.1016/j.ijfoodmicro.2023.110425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 09/24/2023] [Accepted: 10/01/2023] [Indexed: 10/09/2023]
Abstract
Aspergillus carbonarius (Bainier) Thom. is an important pathogen and ochratoxin A (OTA) producer in grapes that can be controlled by adopting sustainable approaches. Here we evaluate the application of natural plant extracts as an alternative to synthetic fungicides to reduce OTA contamination and to prevent infection of grapes by two isolates of A. carbonarius. In a preliminary screening, natural extracts of chestnut flower, cistus, eucalyptus, fennel, and orange peel were evaluated for their antifungal and anti-mycotoxigenic efficiency in a grape-based medium at concentrations of 10 and 20 mg/mL. Cistus and orange peel extracts demonstrated the best antifungal activity at both concentrations. Although the eucalyptus extract demonstrated no significant effect on Aspergillus vegetative growth, it significantly reduced OTA by up to 85.75 % at 10 mg/mL compared to the control. Chestnut flower, cistus, eucalyptus, and orange peel extracts were then tested at the lowest concentration (10 mg/mL) for their antifungal activity in artificially inoculated grape berries. The cistus and orange peel extracts demonstrated the greatest antifungal activity and significantly reduced mold symptoms in grapes. Moreover, all tested natural extracts were able to reduce OTA content in grape berries (17.7 ± 8.3 % - 82.3 ± 3.85 % inhibition), although not always significantly. Eucalyptus extract was particularly efficient, inhibiting OTA production by both strains of A. carbonarius by up to >80 % with no effects on fungal growth. The use of natural eucalyptus extract represents a feasible strategy to reduce OTA formation without disrupting fungal growth, apparently maintaining the natural microbial balance, while cistus and orange peel extracts appear promising as inhibitors of A. carbonarius mycelial growth. Our findings suggest that plant extracts may be useful sources of bioactive chemicals for preventing A. carbonarius contamination and OTA production. Nonetheless, it will be necessary to evaluate their effect on the organoleptic properties of the grapes.
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Affiliation(s)
- Wiem Chtioui
- Dipartimento di Agraria, Università degli Studi di Sassari, Via E. De Nicola 9, 07100, Sassari, Italy; Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253, Bragança, Portugal
| | - Sandrina Heleno
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253, Bragança, Portugal; Laboratório Associado para a Sustentabilidade e Tecnologia em Regiões de Montanha (SusTEC), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253, Bragança, Portugal.
| | - Quirico Migheli
- Dipartimento di Agraria, Università degli Studi di Sassari, Via E. De Nicola 9, 07100, Sassari, Italy; Nucleo di Ricerca sulla Desertificazione, Università degli Studi di Sassari, Via E. De Nicola 9, 07100, Sassari, Italy
| | - Paula Rodrigues
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253, Bragança, Portugal; Laboratório Associado para a Sustentabilidade e Tecnologia em Regiões de Montanha (SusTEC), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253, Bragança, Portugal.
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15
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Onlamun T, Boonthavee A, Brooks S. Diversity and Advantages of Culturable Endophytic Fungi from Tea ( Camellia sinensis). J Fungi (Basel) 2023; 9:1191. [PMID: 38132791 PMCID: PMC10744531 DOI: 10.3390/jof9121191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 11/27/2023] [Accepted: 12/01/2023] [Indexed: 12/23/2023] Open
Abstract
Sordariomycetes, Dothideomycetes, and Eurotioycetes are three classes of endophytes that colocalize with tea (Camellia sinensis). Overall, the diversity indexes in this study indicated a greater abundance of fungal endophytes in roots and stems. Taking the production system into account, conventional tea plantations exhibit lower diversity compared to organic tea plantations. Notably, the influence of agrochemicals had the largest impact on the fungal endophyte communities within roots and young leaves. Despite the limited fungal diversity in conventional plantations, three fungal endophytes were isolated from tea in this culture system: Diaporthe sp., YI-005; Diaporthe sp., SI-007; and Eurotium sp., RI-008. These isolated endophytes exhibited high antagonistic activity (93.00-97.00% inhibition of hypha growth) against Stagonosporopsis cucurbitacearum, the causal agent of gummy stem blight disease. On the other hand, endophytic fungi isolated from tea in an organic system-Pleosporales sp., SO-006 and Pleosporales sp., RO-013-established the ability to produce indole-3-acetic acid (IAA; 0.65 ± 0.06 µg/mL) and assist the solubilizing phosphorus (5.17 ± 1.03 µg/mL) from the soil, respectively. This suggested that the level of diversity, whether at the tissue level or within the farming system, did not directly correlate with the discovery of beneficial fungi. More importantly, these beneficial fungi showed the potential to develop into biological agents to control the devastating diseases in the cucurbit family and the potential for use as biofertilizers with a wide range of applications in plants. Therefore, it can be concluded that there are no restrictions limiting the use of fungal endophytes solely to the plant host from which they were originally isolated.
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Affiliation(s)
- Thanyarat Onlamun
- Department of Agricultural Biotechnology (Plant), Hungarian University of Agriculture and Life Sciences, 1118 Budapest, Hungary;
| | | | - Siraprapa Brooks
- School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand;
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16
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Liu YZ, Wang JF, Fan HY, He T, Wang DY, Zhou HZ, Li QS. Arsenic pollution, geochemical fractions, and leaching characteristics in soil samples from four contaminated sites in the Beijiang River Basin, South China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:108917-108927. [PMID: 37755597 DOI: 10.1007/s11356-023-30061-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 09/20/2023] [Indexed: 09/28/2023]
Abstract
To remediate historically polluted sites before their land-use changes, it is essential to understand the concentration distribution, geochemical fraction, and migratory behavior of As in soil with varied particle sizes for the use of a sieving procedure. This study investigated the amount and percentage of As in soil with different particle sizes (0.25, 0.25-1, and 1-2 mm) as well as its toxicity characteristic in leaching procedure at four previously contaminated sites in the Beijiang River Basin, South China. The results showed that the total As concentration in the collected soils ranged from 70.1 to 402.8 mg/kg, and only a few percent of soil particle samples had As contents below the local risk threshold value of 60 mg/kg. The amorphous hydrous oxide bound, crystalline hydrous oxide bound, and residual fractions (F3-F5) of the geochemical fraction of As in soil of polluted sites accounted for 82.2-95.7% of the total As distribution. However, the concentration of As in non-specifically bound fractions increased with the mass ratio of soil with coarse particle sizes due to the negative correlation of Fe-bearing minerals concentration with the mass ratio of soil with coarse particle size. According to redundancy analysis, soil with coarse particle sizes and non-specifically bound As were mostly responsible for the As concentration in the leachate. These findings confirmed that a sieving process was not suitable for the remediation of soil As at four historically contaminated sites in the Beijiang River Basin due to the high concentration of As in soil and non-negligible environmental risk of labile extractable As in soil with coarse particle size.
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Affiliation(s)
- Yu-Zhong Liu
- Guangdong Provincial Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China
| | - Jun-Feng Wang
- Guangdong Provincial Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China
| | - Han-Yun Fan
- Guangdong Provincial Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China
| | - Tao He
- Guangdong Provincial Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China
| | - Dao-Yuan Wang
- Department of Environmental Science and Engineering, Shanghai University, Shanghai, 200444, China
| | - Huan-Zhan Zhou
- Guangdong Provincial Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China
| | - Qu-Sheng Li
- Guangdong Provincial Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China.
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17
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Möth S, Redl M, Winter S, Hüttner F, Steinkellner S. Efficiency of inorganic fungicides against the formation of Erysiphe necator chasmothecia in vineyards. PEST MANAGEMENT SCIENCE 2023; 79:3080-3089. [PMID: 36992546 PMCID: PMC10952470 DOI: 10.1002/ps.7487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 03/23/2023] [Accepted: 03/30/2023] [Indexed: 06/19/2023]
Abstract
BACKGROUND A reduction in chasmothecia, an important inoculum of grape powdery mildew (Erysiphe necator Schwein.), is essential for disease control in vineyards; the use of fungicides during the formation of chasmothecia on vine leaves, late in the growing season, may accomplish this. Inorganic fungicides, such as sulphur, copper, and potassium bicarbonate, are very useful for this purpose because of their multisite mode of action. The aim of this study was to evaluate chasmothecia reduction using different fungicide applications late in the growing season in commercially managed vineyards and in an exact application trial. RESULTS Chasmothecia on vine leaves were reduced in commercial vineyards by four copper (P = 0.01) and five potassium bicarbonate (P = 0.026) applications. The positive effect of potassium bicarbonate was also confirmed in the application trial, where two applications showed lower chasmothecia numbers than the control (P = 0.002). CONCLUSION The application of inorganic fungicides reduced the amount of chasmothecia as the primary inoculum source. Potassium bicarbonate and copper are of further interest for disease control as these fungicides can be used by organic and conventional wine growers. The application of these fungicides should be carried out as late as possible before harvest to reduce chasmothecia formation and, consequently, the potential for powdery mildew infestation in the subsequent season. © 2023 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Stefan Möth
- Department of Crop SciencesInstitute of Plant Protection, University of Natural Resources and Life Sciences, Vienna, Gregor‐Mendel‐Strasse 33ViennaAustria
| | - Markus Redl
- Department of Crop SciencesInstitute of Plant Protection, University of Natural Resources and Life Sciences, Vienna, Gregor‐Mendel‐Strasse 33ViennaAustria
| | - Silvia Winter
- Department of Crop SciencesInstitute of Plant Protection, University of Natural Resources and Life Sciences, Vienna, Gregor‐Mendel‐Strasse 33ViennaAustria
| | - Florian Hüttner
- Department of Crop SciencesInstitute of Plant Protection, University of Natural Resources and Life Sciences, Vienna, Gregor‐Mendel‐Strasse 33ViennaAustria
| | - Siegrid Steinkellner
- Department of Crop SciencesInstitute of Plant Protection, University of Natural Resources and Life Sciences, Vienna, Gregor‐Mendel‐Strasse 33ViennaAustria
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18
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Marques ACR, Tiecher TL, Brunetto G, Vendruscolo D, De Conti L, Ambrosini VG, Miotto A, Rosa DJ, da Silva ICB, Trentin E, Ferreira PAA, Jacques RJS, Pescador R, Comin JJ, Ceretta CA, de Melo GWB, Parent LÉ. Phytoremediation of Cu-contaminated vineyard soils in Brazil: A compendium of Brazilian pot studies. JOURNAL OF ENVIRONMENTAL QUALITY 2023; 52:1024-1036. [PMID: 37533339 DOI: 10.1002/jeq2.20503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 07/11/2023] [Indexed: 08/04/2023]
Abstract
Vineyard soils can be contaminated by copper (Cu) due to successive applications of fungicides and organic fertilizers. Soil remediation can be addressed by altering soil properties or selecting efficient Cu-extracting cover crops tolerant to Cu toxicity. Our objectives were to synthesize the Cu-extracting efficiency by plant species tested in Brazil, classify them according to Cu resistance to toxicity, and assess the effect of soil properties on attenuating Cu toxicity. We retrieved results from 41 species and cultivars, totaling 565 observations. Freshly added Cu varied between 50 and 600 mg Cu kg-1 of soil across studies. The partition of Cu removal between the above- and below-ground portions was scaled as a logistic variable to facilitate data synthesis. The data were analyzed using the Adaboost machine learning model. Model accuracy (predicted vs. actual values) reached R2 = 0.862 after relating species, cultivar, Cu addition, clay, SOM, pH, soil test P, and Cu as features to predict the logistic target variable. Tissue Cu concentration varied between 7 and 105 mg Cu kg-1 in the shoot and between 73 and 1340 mg Cu kg-1 in the roots. Among soil properties, organic matter and soil test Cu most influenced the accuracy of the model. Phaseolus vulgaris, Brassica juncea, Ricinus communis, Hordeum vulgare, Sorghum vulgare, Cajanus cajan, Solanum lycopersicum, and Crotolaria spectabilis were the most efficient Cu-extracting cover crops, as shown by positive values of the logistic variable (shoot removal > root removal). Those Cu-tolerant plants showed differential capacity to extract Cu in the long run.
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Affiliation(s)
| | - Tadeu Luis Tiecher
- Federal Institute of Education, Science and Technology of Rio Grande do Sul (IFRS), Porto Alegre, Brazil
| | - Gustavo Brunetto
- Department of Soil, Federal University of Santa Maria, Santa Maria, Brazil
| | - Diogo Vendruscolo
- Riograndense Association of Technical Assistance and Rural Extension Enterprises (EMATER / RS), Pinhal Grande, Brazil
| | - Lessandro De Conti
- Farroupilha Federal Institute of Education, Science and Technology, Santo Augusto, Brazil
| | | | - Alcione Miotto
- Federal Institute of Education, Science and Technology of Santa Catarina, São Miguel do Oeste, Brazil
| | - Daniel José Rosa
- Department of Biology, University of British Columbia, Kelowna, British Columbia, Canada
| | | | - Edicarla Trentin
- Department of Soil, Federal University of Santa Maria, Santa Maria, Brazil
| | | | | | - Rosete Pescador
- Department of Phytotechnics, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Jucinei José Comin
- Department of Phytotechnics, Federal University of Santa Catarina, Florianópolis, Brazil
| | | | | | - Léon-Étienne Parent
- Department of Soils and Agrifood Engineering, Université Laval, Québec, Quebec, Canada
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19
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Said TO, Ragab S, El Sikaily A, Hassaan MA, Arshad M, El Nemr A. Chlorinated pesticides and PCB residues in the Egyptian Western Desert oases sediments. MARINE POLLUTION BULLETIN 2023; 193:115236. [PMID: 37418808 DOI: 10.1016/j.marpolbul.2023.115236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 06/27/2023] [Accepted: 06/28/2023] [Indexed: 07/09/2023]
Abstract
This preliminary investigation aimed to detect concentrations of chlorinated pesticides and PCBs in 40 sediment samples from three desert oases located in Kharga, Dakhla and Farafra in western Egypt. The residues of 18 PCBs and 16 chlorinated pesticides were measured by GC-MS/MS (SRM) method. The results showed that PCBs and pesticides were present in all studied samples. The concentrations of individual PCBs ranged from undetected to 3.99 ng/g dw in all these sediment samples. The total residue of pesticides (ng/g, dry weight) in sediment samples also varied from 5.18 to 25.92, 5.41 to 29.49, and 5.93 to 24.19 ng/g dw for the Kharga, Dakhla and Farafra Oases, respectively. The concentrations of PCBs and chlorinated pesticides detected in these oasis sediments were lower than that reported for other worldwide locations. According to the recorded concentrations in this baseline study of PCBs and total DDTs, the results revealed the minimal risks to organisms and people in the studied area according to the Effects Range-Low (ERL) and Effects Range-Median (ERM) guideline values.
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Affiliation(s)
- Tarek O Said
- Environment Division, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, El-Anfoushy, Alexandria, Egypt
| | - Safaa Ragab
- Environment Division, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, El-Anfoushy, Alexandria, Egypt
| | - Amany El Sikaily
- Environment Division, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, El-Anfoushy, Alexandria, Egypt
| | - Mohamed A Hassaan
- Environment Division, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, El-Anfoushy, Alexandria, Egypt
| | - Muhammad Arshad
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha, Saudi Arabia.
| | - Ahmed El Nemr
- Environment Division, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, El-Anfoushy, Alexandria, Egypt.
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20
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Hao G, Tian H, Zhang Z, Qin X, Yang T, Yuan L, Yang X. A dual-channel and dual-signal microfluidic paper chip for simultaneous rapid detection of difenoconazole and mancozeb. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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21
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Eon P, Robert T, Goutouly JP, Aurelle V, Cornu JY. Cover crop response to increased concentrations of copper in vineyard soils: Implications for copper phytoextraction. CHEMOSPHERE 2023; 329:138604. [PMID: 37028730 DOI: 10.1016/j.chemosphere.2023.138604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/21/2023] [Accepted: 04/03/2023] [Indexed: 05/03/2023]
Abstract
The use of cover crops (CCs) in viticulture is threatened by the contamination of vineyard soils by copper (Cu). This study investigated the response of CCs to increased concentrations of Cu in soil as a way to assess their sensitivity to Cu and their Cu phytoextraction ability. Our first experiment used microplots to compare the effect of increasing soil Cu content from 90 to 204 mg kg-1 on the growth, Cu accumulation level, and elemental profile of six CC species (Brassicaceae, Fabaceae and Poaceae) commonly sown in vineyard inter-row. The second experiment quantified the amount of Cu exported by a mixture of CCs in vineyards with contrasted soil characteristics. Experiment 1 showed that increasing the soil Cu content from 90 to 204 mg kg-1 was detrimental to the growth of Brassicaceae and faba bean. The elemental composition of plant tissues was specific to each CC and almost no change in composition resulted from the increase in soil Cu content. Crimson clover was the most promising CC for Cu phytoextraction as it produced the most aboveground biomass, and, along with faba bean, accumulated the highest concentration of Cu in its shoots. Experiment 2 showed that the amount of Cu extracted by CCs depended on the availability of Cu in the topsoil and CC growth in the vineyard, and ranged from 25 to 166 g per hectare. Taken together, these results emphasize the fact that the use of CCs in vineyards may be jeopardised by the contamination of soils by Cu, and that the amount of Cu exported by CCs is not sufficiently high to offset the amount of Cu supplied by Cu-based fungicides. Recommendations are provided for maximizing the environmental benefits provided by CCs in Cu-contaminated vineyard soils.
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Affiliation(s)
- Pierre Eon
- ISPA, Bordeaux Sciences Agro, INRAE, 33140, Villenave d'Ornon, France.
| | - Thierry Robert
- ISPA, Bordeaux Sciences Agro, INRAE, 33140, Villenave d'Ornon, France
| | - Jean-Pascal Goutouly
- UEVB, Univ. Bordeaux, Bordeaux Sciences Agro, INRAE, ISVV, F-33882, Villenave d'Ornon, France; EGFV, Univ. Bordeaux, Bordeaux Sciences Agro, INRAE, ISVV, F-33882, Villenave d'Ornon, France
| | - Violette Aurelle
- Chambre d'Agriculture de Gironde, Vinopôle Bordeaux Aquitaine, 33295, Blanquefort Cedex, France
| | - Jean-Yves Cornu
- ISPA, Bordeaux Sciences Agro, INRAE, 33140, Villenave d'Ornon, France
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22
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Souza MCO, Cruz JC, Cesila CA, Gonzalez N, Rocha BA, Adeyemi JA, Nadal M, Domingo JL, Barbosa F. Recent trends in pesticides in crops: A critical review of the duality of risks-benefits and the Brazilian legislation issue. ENVIRONMENTAL RESEARCH 2023; 228:115811. [PMID: 37030406 DOI: 10.1016/j.envres.2023.115811] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/28/2023] [Accepted: 03/29/2023] [Indexed: 05/16/2023]
Abstract
Due to the increasing population worldwide, in recent years, an exponential increase in agricultural practices has occurred in order to attend to the growing demand for food. Unfortunately, this increase is not associated with the supply of foodstuffs free of environmental pollutants. In Brazil, agriculture is one of the most important economic pillars, making the country one of the largest consumers of pesticides around the world. The intense use of pesticides, mainly glyphosate, 2,4-D, and atrazine, constitutes an essential factor in the viability of this great agricultural productivity. Sugarcane, corn, soybean, and citrus crops consume around 66% of the total pesticides worldwide, representing 76% of the planted area. Pesticide residues have been frequently detected in food and the environment, becoming a significant concern for human health. Monitoring programs for pesticide use are essential to reduce the potential negative impacts on the environment and improve the overall efficiency and sustainability of their use. However, in Brazil, the approval status of pesticide-active ingredients is very discrepant compared to other agricultural countries. Moreover, the duality of benefits and risks of pesticide application creates an economic and toxicological conflict. In this paper, we have critically reviewed the duality of risks-benefits of the use of pesticides in agriculture and the current Brazilian legislation issues. We have also compared this flawed legislation with other countries with high economic potential. Due to the negative environmental impacts on soil and water by the high levels of pesticides, remediation techniques, sustainable agriculture, and the development of new technologies can be considered some viable alternatives to reduce the levels in these compartments. Besides, this paper includes some recommendations that can be included in the coming years.
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Affiliation(s)
- Marília Cristina Oliveira Souza
- University of Sao Paulo, School of Pharmaceutical Sciences of Ribeirao Preto, Department of Clinical Analyses, Toxicology and Food Sciences. Analytical and System Toxicology Laboratory, Avenida do Cafe s/n°, 14040-903, Ribeirao Preto, Sao Paulo, Brazil.
| | - Jonas Carneiro Cruz
- University of Sao Paulo, School of Pharmaceutical Sciences of Ribeirao Preto, Department of Clinical Analyses, Toxicology and Food Sciences. Analytical and System Toxicology Laboratory, Avenida do Cafe s/n°, 14040-903, Ribeirao Preto, Sao Paulo, Brazil
| | - Cibele Aparecida Cesila
- University of Sao Paulo, School of Pharmaceutical Sciences of Ribeirao Preto, Department of Clinical Analyses, Toxicology and Food Sciences. Analytical and System Toxicology Laboratory, Avenida do Cafe s/n°, 14040-903, Ribeirao Preto, Sao Paulo, Brazil
| | - Neus Gonzalez
- University of Sao Paulo, School of Pharmaceutical Sciences of Ribeirao Preto, Department of Clinical Analyses, Toxicology and Food Sciences. Analytical and System Toxicology Laboratory, Avenida do Cafe s/n°, 14040-903, Ribeirao Preto, Sao Paulo, Brazil; Universitat Rovira i Virgili, Laboratory of Toxicology and Environmental Health, School of Medicine, Sant Llorenç 21, 43201 Reus, Catalonia, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), 43204 Reus, Catalonia, Spain
| | - Bruno Alves Rocha
- University of Sao Paulo, School of Pharmaceutical Sciences of Ribeirao Preto, Department of Clinical Analyses, Toxicology and Food Sciences. Analytical and System Toxicology Laboratory, Avenida do Cafe s/n°, 14040-903, Ribeirao Preto, Sao Paulo, Brazil
| | - Joseph A Adeyemi
- University of Sao Paulo, School of Pharmaceutical Sciences of Ribeirao Preto, Department of Clinical Analyses, Toxicology and Food Sciences. Analytical and System Toxicology Laboratory, Avenida do Cafe s/n°, 14040-903, Ribeirao Preto, Sao Paulo, Brazil; Department of Biology, School of Sciences, Federal University of Technology, Akure, Ondo State, Nigeria
| | - Marti Nadal
- Universitat Rovira i Virgili, Laboratory of Toxicology and Environmental Health, School of Medicine, Sant Llorenç 21, 43201 Reus, Catalonia, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), 43204 Reus, Catalonia, Spain
| | - José L Domingo
- Universitat Rovira i Virgili, Laboratory of Toxicology and Environmental Health, School of Medicine, Sant Llorenç 21, 43201 Reus, Catalonia, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), 43204 Reus, Catalonia, Spain
| | - Fernando Barbosa
- University of Sao Paulo, School of Pharmaceutical Sciences of Ribeirao Preto, Department of Clinical Analyses, Toxicology and Food Sciences. Analytical and System Toxicology Laboratory, Avenida do Cafe s/n°, 14040-903, Ribeirao Preto, Sao Paulo, Brazil
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23
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Ge X, Hetzer B, Tisch C, Kortekamp A, Nick P. Surface wax in the ancestral grapevine Vitis sylvestris correlate with partial resistance to Powdery Mildew. BMC PLANT BIOLOGY 2023; 23:304. [PMID: 37286974 DOI: 10.1186/s12870-023-04311-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 05/23/2023] [Indexed: 06/09/2023]
Abstract
BACKGROUND Powdery Mildew of Grapevine belongs to the major diseases in viticulture and requires intensive use of fungicides. Genetic introgression of resistance factors from wild grapes from North America and, recently, China, has been successful, but wine made from those varieties is still confronted with low consumer acceptance, due to differences in taste. RESULTS The current work explores the potential of Vitis vinifera sylvestris, the wild ancestor of domesticated Grapevine, with respect to containing Erysiphe necator, the causative agent of Powdery Mildew. Making use of a germplasm collection comprising the entire genetic variability remaining in Germany, we show that there is considerable genetic variation in the formation of leaf surface waxes exceeding wax formation in commercial varieties. CONCLUSIONS High wax formation correlates with reduced susceptibility to controlled infection with E. necator linked with perturbations of appressoria formation. We propose V. vinifera sylvestris as novel source for resistance breeding since it is genetically much closer to domesticated grapevine than the hitherto used sources from beyond the species barrier.
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Affiliation(s)
- Xinshuang Ge
- Molecular Cell Biology, Botanical Institute, Karlsruhe Institute of Technology, Fritz-Haber-Weg, 76131, Karlsruhe, Karlsruhe, Germany
| | - Birgit Hetzer
- Max Rubner-Institut (MRI) - Federal Research Institute of Nutrition and Food, Karlsruhe, Germany
| | - Christine Tisch
- DLR Rheinpfalz State Education and Research Center of Viticulture and Horticulture and Rural Development, Neustadt an der Weinstraße, Germany
| | - Andreas Kortekamp
- DLR Rheinpfalz State Education and Research Center of Viticulture and Horticulture and Rural Development, Neustadt an der Weinstraße, Germany
| | - Peter Nick
- Molecular Cell Biology, Botanical Institute, Karlsruhe Institute of Technology, Fritz-Haber-Weg, 76131, Karlsruhe, Karlsruhe, Germany.
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24
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Godeau C, Morin-Crini N, Crini G, Guillemin JP, Voisin AS, Dousset S, Rocchi S. Field-Crop Soils in Eastern France: Coldspots of Azole-Resistant Aspergillus fumigatus. J Fungi (Basel) 2023; 9:618. [PMID: 37367554 DOI: 10.3390/jof9060618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/19/2023] [Accepted: 05/25/2023] [Indexed: 06/28/2023] Open
Abstract
Triazole fungicides are widely used to treat fungal pathogens in field crops, but very few studies have investigated whether fields of these crops constitute hotspots of azole resistance in Aspergillus fumigatus. Soil samples were collected from 22 fields in two regions of eastern France and screened for triazole residues and azole-resistant A. fumigatus (ARAf). Real-time quantitative PCR (qPCR) was used to quantify A. fumigatus in these soil samples. All the plots contained tebuconazole at concentrations from 5.5 to 19.1 ng/g of soil, and 5 of the 22 plots also contained epoxiconazole. Only a few fungal isolates were obtained, and no ARAf was detected. A. fumigatus qPCR showed that this fungal species was, on average, 5000 times more common in soil from flowerbeds containing ARAf than in soil from field crops. Thus, field-crop soils do not appear to promote A. fumigatus development, even if treated with azole fungicides, and cannot be considered hotspots of resistance. Indeed, our results suggest that they are instead a coldspot of resistance and highlight how little is known about the ecological niche of this species.
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Affiliation(s)
- Chloé Godeau
- Chrono-Environnement UMR6249, CNRS Franche-Comté University, 25000 Besançon, France
| | - Nadia Morin-Crini
- Chrono-Environnement UMR6249, CNRS Franche-Comté University, 25000 Besançon, France
| | - Grégorio Crini
- Chrono-Environnement UMR6249, CNRS Franche-Comté University, 25000 Besançon, France
| | | | - Anne-Sophie Voisin
- Agroécologie, INRAE, Institut Agro, Bourgogne University, 21000 Dijon, France
| | - Sylvie Dousset
- Laboratoire Interdisciplinaire des Environnements Continentaux, UMR 7360 Lorraine University/CNRS, 54506 Vandoeuvre lès Nancy, France
| | - Steffi Rocchi
- Chrono-Environnement UMR6249, CNRS Franche-Comté University, 25000 Besançon, France
- Parasitology-Mycology Department, University Hospital of Besançon, 25000 Besançon, France
- Smaltis, Bioinnovation, 4 Rue Charles Bried, 25000 Besançon, France
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25
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Krysa M, Susniak K, Kubas A, Kidaj D, Sroka-Bartnicka A. MALDI MSI and Raman Spectroscopy Application in the Analysis of the Structural Components and Flavonoids in Brassica napus Stem. Metabolites 2023; 13:687. [PMID: 37367844 DOI: 10.3390/metabo13060687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 05/11/2023] [Accepted: 05/23/2023] [Indexed: 06/28/2023] Open
Abstract
Nod factors among the signaling molecules produced by rhizobia in response to flavonoids to induce root nodule formation in the legumes. It is, however, hypothesized that they might increase the yield and positively impact the growth of non-legumes. To evaluate this statement, rapeseed treated with Nod factor-based biofertilizers were cultivated, their stems was collected, and the metabolic changes were investigated using Raman spectroscopy and MALDI mass spectrometry imaging. Biofertilizer proved to increase the concentration of lignin in the cortex, as well as hemicellulose, pectin, and cellulose in the pith. Moreover, the concentration of quercetin derivatives and kaempferol derivatives increased, while the concentration of isorhamnetin dihexoside decreased. The increase in the concentration of the structural components in the stem might therefore increase the lodging resistance, while the increase in concentration of the flavonoids might increase their resistance to fungal infection and herbivorous insects.
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Affiliation(s)
- Mikolaj Krysa
- Independent Unit of Spectroscopy and Chemical Imaging, Faculty of Biomedicine, Medical University of Lublin, Chodźki 4a Street, 20-093 Lublin, Poland
| | - Katarzyna Susniak
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Medical University of Lublin, Chodźki Street 1, 20-093 Lublin, Poland
- Department of Genetics and Microbiology, Institute of Biological Sciences, Maria Curie-Sklodowska University, Akademicka 19, 20-033 Lublin, Poland
| | - Adrianna Kubas
- Independent Unit of Spectroscopy and Chemical Imaging, Faculty of Biomedicine, Medical University of Lublin, Chodźki 4a Street, 20-093 Lublin, Poland
| | - Dominika Kidaj
- Department of Genetics and Microbiology, Institute of Biological Sciences, Maria Curie-Sklodowska University, Akademicka 19, 20-033 Lublin, Poland
| | - Anna Sroka-Bartnicka
- Independent Unit of Spectroscopy and Chemical Imaging, Faculty of Biomedicine, Medical University of Lublin, Chodźki 4a Street, 20-093 Lublin, Poland
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26
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Hua H, Liu M, Liu CQ, Lang Y, Xue H, Li S, La W, Han X, Ding H. Differences in the spectral characteristics of dissolved organic matter binding to Cu(II) in wetland soils with moisture gradients. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 874:162509. [PMID: 36870263 DOI: 10.1016/j.scitotenv.2023.162509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 02/23/2023] [Accepted: 02/23/2023] [Indexed: 06/18/2023]
Abstract
The environmental behavior of heavy metals in soil is significantly regulated by their binding with dissolved organic matter (DOM), which is affected by soil moisture contents. However, the mechanism of this interaction in soils with varying moisture is still not well understood. Using a combination of ultrafiltration, Cu(II) titration, and multispectral (ultraviolet-visible absorption, 3D fluorescence, Fourier transform infrared) analysis techniques, we studied the differences in the spectral characteristics and Cu(II) binding properties of soil dissolved organic matter (DOM) and its different molecular weight (MW) fractions with moisture gradients. We found that the abundance and spectral characters of soil DOM changed with increasing soil moisture, i.e., the increase in abundance while the decrease in aromaticity and humification index. The components of DOM, shown by Fluorescence region-integration (FRI) analysis, also changed, with an increase in the proportion of protein-like substances and a decrease of humic-like and fulvic-like substances. The overall Cu(II) binding potential of soil DOM diminished with increasing soil moisture, as indicated by the fluorescence parallel factor (PARAFAC) analysis. This is aligns with the changes in DOM composition, as the humic-like and fulvic-like fractions exhibited higher Cu(II) binding potential compared to the protein-like fractions. The low MW fraction of the MW-fractionated samples showed a stronger binding potential for Cu(II) compared to the high MW fraction. Finally, the active binding site of Cu(II) in DOM, as revealed by UV-difference spectroscopy and 2D-FTIR-COS analysis, decreased with increasing soil moisture, with the order of preferentially functional groups shifting from OH, NH, and CO to CN and CO. This study emphasizes the impact of moisture variations on the characteristics of DOM and its interaction with Cu(II), providing insight into the environmental fate of heavy metal contaminants in soil in areas with alternating land and water conditions.
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Affiliation(s)
- Haifeng Hua
- Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China
| | - Mingxuan Liu
- Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China
| | - Cong-Qiang Liu
- Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China; Tianjin Key Laboratory of Earth Critical Zone Science and Sustainable Development in Bohai Rim, Tianjin University, Tianjin 300072, China; Critical Zone Observatory of Bohai Coastal Region, Tianjin University, Tianjin 300072, China
| | - Yunchao Lang
- Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China; Tianjin Key Laboratory of Earth Critical Zone Science and Sustainable Development in Bohai Rim, Tianjin University, Tianjin 300072, China; Critical Zone Observatory of Bohai Coastal Region, Tianjin University, Tianjin 300072, China
| | - Hao Xue
- Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China
| | - Shiyong Li
- Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China
| | - Wei La
- Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China
| | - Xiaokun Han
- Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China; Tianjin Key Laboratory of Earth Critical Zone Science and Sustainable Development in Bohai Rim, Tianjin University, Tianjin 300072, China; Critical Zone Observatory of Bohai Coastal Region, Tianjin University, Tianjin 300072, China
| | - Hu Ding
- Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin 300072, China; Tianjin Key Laboratory of Earth Critical Zone Science and Sustainable Development in Bohai Rim, Tianjin University, Tianjin 300072, China; Critical Zone Observatory of Bohai Coastal Region, Tianjin University, Tianjin 300072, China.
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Kardava K, Tetz V, Vecherkovskaya M, Tetz G. Seed dressing with M451 promotes seedling growth in wheat and reduces root phytopathogenic fungi without affecting endophytes. FRONTIERS IN PLANT SCIENCE 2023; 14:1176553. [PMID: 37265634 PMCID: PMC10229829 DOI: 10.3389/fpls.2023.1176553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 04/17/2023] [Indexed: 06/03/2023]
Abstract
Fungal plant infections result in substantial losses to the agricultural sector. A range of fungicide seed dressings are available to control seed-borne fungal diseases; however, they lack sufficient efficacy because of intrinsic tolerance and acquired resistance. Moreover, many fungicide seed dressings can also penetrate plants, negatively affecting plant growth owing to their toxic effects on endophytes, as well as contributing to the spread of antibiotic resistance. Here, we evaluated the efficacy of M451, a member of a new class of antimicrobial agents that are not relevant to human healthcare. As a seed dressing for wheat seeds, M451 exhibited significant antifungal activity against one of the most devastating plant fungal pathogens, Fusarium spp. Furthermore, M451 was more active than the commercially used fungicide Maxim XL against both seed-borne and soil-borne F. oxysporum infection. Importantly, and unlike other antifungals, M451 seed dressing did not inhibit any of the major characteristics of wheat grains and seedlings, such as germination percentage, germination time, grain vigor, shoot- and root weight and length, but rather improved some of these parameters. The results also demonstrated that M451 had no negative impacts on endophytes and did not accumulate in grains. Thus, M451 may have potential applications as an antifungal agent in wheat cultivation.
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Affiliation(s)
| | | | | | - G. Tetz
- Department of Systems Biology, Human Microbiology Institute, New York, NY, United States
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28
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Mattiello A, Novello N, Cornu JY, Babst-Kostecka A, Pošćić F. Copper accumulation in five weed species commonly found in the understory vegetation of Mediterranean vineyards. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 329:121675. [PMID: 37085100 DOI: 10.1016/j.envpol.2023.121675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 04/07/2023] [Accepted: 04/18/2023] [Indexed: 05/03/2023]
Abstract
Copper (Cu) concentration in agricultural soils often exceeds toxicological limits due to application of Cu-based fungicides. The potential of weeds for their use as functional cover plants in vineyard management and phytoremediation practices is little explored. We identified five weed species widely present in vineyards and assessed their Cu accumulation from eleven Mediterranean vineyards (soil Cu: 60-327 μg g-1) and two adjacent control sites (soil Cu: 15-30 μg g-1). Soils and plants were characterized by their physico-chemical properties and nutrient content. We applied multivariate techniques to analyze relationships between soil properties and leaf nutrient composition. Copper tolerance and accumulation traits were further tested in hydroponics using a series of CuSO4 concentrations (0.1-16 μM). Under field conditions, the highest Cu concentration in both roots and leaves were found in Lolium perenne (221 and 461 μg g-1, respectively), followed by Plantago lanceolata, Rumex obtusifolius and Taraxacum officinale (>100 μg g-1 Cu in leaves). Only one species, Trifolium repens, did not accumulate remarkable Cu concentrations. Overall, and as revealed by the multivariate analyses, leaf Cu concentration was driven by soil Cu content, soil texture, organic matter, nitrogen, and Cu uptake into roots. However, functional regression analysis and controlled experiments suggested that Cu might be additionally absorbed from the deposits on the leaf surface related to the Cu-fungicide treatments and soil dust. Our study highlights the importance of intra-specific variability in Cu accumulation among weed species in Cu-contaminated agricultural soils. Further validation of these findings under controlled conditions could provide essential insights for optimizing management and remediation strategies.
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Affiliation(s)
- Alessandro Mattiello
- Department of Agriculture, Food, Environment and Animal Sciences, University of Udine, via delle Scienze 206, Udine, 33100, Italy
| | - Nicola Novello
- School of Health, Medical and Applied Sciences, Central Queensland University, Bruce Hwy, North Rockhampton, Qld, 4701, Australia
| | - Jean-Yves Cornu
- ISPA, Bordeaux Sciences Agro, INRAE, Villenave-d'Ornon, cedex, 33140, France
| | - Alicja Babst-Kostecka
- Department of Environmental Science, The University of Arizona, Tucson, 85721, AZ, USA
| | - Filip Pošćić
- Department of Environmental Science, The University of Arizona, Tucson, 85721, AZ, USA.
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29
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Duque T, Nuriyev R, Römbke J, Schäfer RB, Entling MH. Variation in the Chemical Sensitivity of Earthworms from Field Populations to Imidacloprid and Copper. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:939-947. [PMID: 36807377 DOI: 10.1002/etc.5589] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/19/2022] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
The chemical risk of pesticides for nontarget soil macroorganisms has mainly been assessed using the compost earthworm Eisenia fetida. However, E. fetida does not occur in agroecosystems, and it is generally less sensitive than other earthworm species. Thus, the extrapolation of its response to pesticides to other earthworm species may lead to uncertainties in risk assessment. Because toxicity data for other earthworms are scarce, we assessed the chemical sensitivity of five species (Allolobophora chlorotica, Aporrectodea caliginosa, Aporrectodea longa, Aporrectodea rosea, and Lumbricus rubellus) from different habitats (forests, wetlands, and grasslands), as well as E. fetida, to imidacloprid and copper in single-species acute toxicity tests. In addition, we examined the relationship between earthworm traits (ecotype and weight), habitat characteristics (ecosystem type and soil pH), and chemical sensitivity. The lower limits of the hazardous concentration affecting 5% (HC5) of species were 178.99 and 0.32 mg active ingredient/kg dry weight for copper and imidacloprid, respectively. Some concentrations that have been measured in European agroecosystems for both pesticides were above the HC5s, indicating toxic risks for these organisms. Furthermore, soil pH from the sampling habitat played a significant role, with earthworms sampled from extremely acidic soils being less sensitive to copper than earthworms from neutral soils. In addition, endogeic earthworms were more sensitive to imidacloprid than epigeic earthworms. This may translate to changes in soil functions such as bioturbation, which is mainly carried out by endogeic earthworms. Our results suggest that risk assessment should include a wider range of earthworms covering different habitats and ecosystem functions to achieve a better protection of the biological functions carried out by these key soil organisms. Environ Toxicol Chem 2023;42:939-947. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Tomás Duque
- iES Landau, Institute for Environmental Sciences, Rheinland-Pfälzische Technische Universität (RPTU) Kaiserslautern-Landau, Landau, Germany
| | - Rufat Nuriyev
- iES Landau, Institute for Environmental Sciences, Rheinland-Pfälzische Technische Universität (RPTU) Kaiserslautern-Landau, Landau, Germany
| | - Jörg Römbke
- ECT Oekotoxikologie, Flörsheim am Main, Germany
| | - Ralf B Schäfer
- iES Landau, Institute for Environmental Sciences, Rheinland-Pfälzische Technische Universität (RPTU) Kaiserslautern-Landau, Landau, Germany
| | - Martin H Entling
- iES Landau, Institute for Environmental Sciences, Rheinland-Pfälzische Technische Universität (RPTU) Kaiserslautern-Landau, Landau, Germany
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Altieri V, Rossi V, Fedele G. Efficacy of preharvest application of biocontrol agents against gray mold in grapevine. FRONTIERS IN PLANT SCIENCE 2023; 14:1154370. [PMID: 36993848 PMCID: PMC10040820 DOI: 10.3389/fpls.2023.1154370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 02/27/2023] [Indexed: 06/19/2023]
Abstract
The use of biocontrol agents (BCAs) represents a promising alternative to conventional methods for the management of gray mold in vineyards during the berry ripening stage. The main advantages of BCAs are the short preharvest interval and lack of chemical fungicide residues in wine. In this study, eight commercial BCAs (based on different Bacillus or Trichoderma species and strains, Aureobasidium pullulans, Metschnikowia fructicola, and Pythium oligandrum) and a reference fungicide (boscalid) were applied to a vineyard during berry ripening over three seasons to evaluate the dynamics over time in terms of their relative efficacies in gray mold control. At 1-13 days after application of BCAs to the berry surfaces in field conditions, the berries were collected and artificially inoculated with conidia of Botrytis cinerea under controlled laboratory conditions, and gray mold severity was observed after 7 days of incubation. Significant differences were observed in gray mold severity among years, according to the number of days the BCAs grew on the berry surface before B. cinerea inoculation, and the season by day interaction (altogether accounting for >80% of the experimental variance). The variability in BCA efficacy was closely related to the environmental conditions at the time of application and in the following days. Overall, the BCA efficacy increased with the degree days accumulated between BCA application in the vineyard and B. cinerea inoculation in the dry (no rain) periods (r = 0.914, P = 0.001). Rainfall and the associated drop in temperature caused a relevant reduction of BCA efficacy. These results demonstrate that BCAs are an effective alternative to conventional chemicals for the preharvest control of gray mold in vineyards. However, environmental conditions can considerably affect the BCA efficacy.
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Wang J, Ma T, Wei M, Lan T, Bao S, Zhao Q, Fang Y, Sun X. Copper in grape and wine industry: Source, presence, impacts on production and human health, and removal methods. Compr Rev Food Sci Food Saf 2023; 22:1794-1816. [PMID: 36856534 DOI: 10.1111/1541-4337.13130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 01/23/2023] [Accepted: 02/09/2023] [Indexed: 03/02/2023]
Abstract
Heavy metals are of particular concern in grape and wine processing, especially copper. The sources of copper are diverse, including vineyard soil, copper-containing pesticides on the fruit surface, copper wine-making equipment, and exogenous addition in winemaking. Copper has potential risks to human nerves, metabolism, and others. It can inhibit yeast growth, delay fermentation, and also mediate oxidation reactions, which has a huge impact on the nutritional quality and sensory quality of fresh wine and aged wine. It is therefore crucial to detect, quantify, and remove copper from grapes and wine. However, the copper situations in the wine industries of various countries are complicated and diverse, and the existing forms of copper are quite different, which makes the research challenging. This review summarizes and analyzes the existence and influence of copper in the wine industry by analyzing the sources of, the current situation regarding, and the detection and removal methods for copper in wine. With the study, a better understanding of copper's impact on wine production will be gained, facilitating further control of copper in wine and helping the wine industry grow.
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Affiliation(s)
- Jiaqi Wang
- College of Enology, Shaanxi Provincial Key Laboratory of Viti-Viniculture, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Heyang Viti-viniculture Station, Ningxia Helan Mountain Eastern Foot Wine Station, Northwest A&F University, Yangling, China
| | - Tingting Ma
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Mengyuan Wei
- College of Enology, Shaanxi Provincial Key Laboratory of Viti-Viniculture, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Heyang Viti-viniculture Station, Ningxia Helan Mountain Eastern Foot Wine Station, Northwest A&F University, Yangling, China
| | - Tian Lan
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Shihan Bao
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Qinyu Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Yulin Fang
- College of Enology, Shaanxi Provincial Key Laboratory of Viti-Viniculture, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Heyang Viti-viniculture Station, Ningxia Helan Mountain Eastern Foot Wine Station, Northwest A&F University, Yangling, China
| | - Xiangyu Sun
- College of Enology, Shaanxi Provincial Key Laboratory of Viti-Viniculture, Viti-viniculture Engineering Technology Center of State Forestry and Grassland Administration, Shaanxi Engineering Research Center for Viti-Viniculture, Heyang Viti-viniculture Station, Ningxia Helan Mountain Eastern Foot Wine Station, Northwest A&F University, Yangling, China
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Herwig N, Hommel B, Felgentreu D. Copper distribution in German vineyards and its impact on soil organisms – Dataset of physical, chemical and biological soil parameters of a field survey from 2010 to 2014. Data Brief 2023; 48:109088. [PMID: 37089210 PMCID: PMC10114512 DOI: 10.1016/j.dib.2023.109088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 02/21/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
The use of copper-containing fungicides in plant protection has a long history and is today widespread in both organic and conventional agriculture in Germany. The treatments are primarily used to control plant diseases such as downy mildew in vines and hops, collar rot and canker, and apple scab in fruit trees. The regularly re-approval of copper as a pesticide in the European Union is always accompanied by critical discussions about the toxic effects of copper on soil organisms, especially earthworms. This results in the need for independent advice on ecotoxicological risks with field data for the authorities involved in the regulation of copper-containing pesticides. Based on the EU's regulation 1107/2009/EC, the current approval of the active ingredient copper is limited until 2025 and has been included on the list of substitution candidates (article 24) due to its persistency. This category requires a comparative assessment under article 50 with alternatives, mainly less toxic fungicides or resistant cultivars. This data set reflects the spectrum of copper load situation in German vineyards and can be used for risk assessment of artificially applied copper on earthworm and microbial communities in vineyard soils and even other agricultural soils based on field data. It contains 78 sampling areas in total on 10 German quality wine-growing regions. At each sampling area soils of four diagonal sampling points (4 × 0.25 m2) were excavated. In sum, soils from 312 sampling points were collected from the top 20 cm soil depth. The samples were collected in April and October between 2010 and 2014. This survey in German wine-growing regions includes following parameters: Soil data: soil texture (sand, clay, silt), pH-value, organic matter content, element concentrations of nutrient and heavy metals (As, Ca, Cd, Co, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, Pb, V, Zn), mobile ("bioavailable") Cu contents extracted with 1 M NH4NO3 and 0.001 M CaCl2. Earthworm data: ecological group, taxa, development stage (adult, juvenile), abundance (number of individuals per 0.25 m2), biomass (g per 0.25 m2 FM), element concentration of earthworm tissue of environmentally relevant elements (As, Cd, Co, Cr, Cu, Ni, Pb, V, Zn). Functional microbial community data: long term soil respiration, microbial biomass, metabolic quotient, dehydrogenase activity.
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Impulsive modelling of rust dynamics and predator releases for biocontrol. Math Biosci 2023; 356:108968. [PMID: 36693588 DOI: 10.1016/j.mbs.2023.108968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 01/16/2023] [Accepted: 01/16/2023] [Indexed: 01/22/2023]
Abstract
Fungal diseases cause serious damages in crop worldwide. In particular, coffee leaf rust (CLR), caused by fungus Hemileia vastatrix attacks coffee leaves and reduces coffee yield. This paper presents a multi-seasonal model of the CLR development in the coffee plantation with continuous dynamics during the rainy season and a discrete event to represent the simpler dynamics during the dry season. Biological control using predators through one or more discrete introduction events over the year is then added. Analytical and semi-numerical studies are performed to identify how much and how frequently predators need to be introduced through the definition of a threshold value, as a function of various parameters. We show that the best strategy to efficiently control the disease depends on the predator mortality: low mortality parasites need be released only once a year, while high mortality parasites should be released more frequently to ensure their persistence in the plantation. This work hence provides qualitative and quantitative bases for the deployment of predator-based biocontrol, a promising alternative to fungicides for rust control.
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Jansen K, Mohr C, Lügger K, Heller C, Siemens J, Mulder I. Widespread occurrence of quaternary alkylammonium disinfectants in soils of Hesse, Germany. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159228. [PMID: 36208753 DOI: 10.1016/j.scitotenv.2022.159228] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 09/26/2022] [Accepted: 09/30/2022] [Indexed: 06/16/2023]
Abstract
Quaternary alkylammonium compounds (QAACs) are cationic organic compounds with amphiphilic properties that are widely used as surfactants and disinfectants in industry, households and agriculture. Several studies suggest that QAACs co-select for antibiotic resistant microorganisms and thus may contribute to the spread of antibiotic resistance in the environment. Data on QAAC occurrence in soil are scarce and limited to soils that are prone to direct exposure to QAACs. Therefore, we conducted a comprehensive study on the occurrence of QAACs in soils of Hesse, a federal state in Germany, covering an area of 21,115 km2. Sixty-five soil samples that comprised different land uses (arable, grassland, forest, vineyard) and area types (rural, agglomeration) were analysed for concentrations of alkyltrimethylammonium (ATMACs, with alkyl chain lengths C8-C16), benzylalkyldimethylammonium (BACs, C8-C18) and dialkyldimethylammonium compounds (DADMACs, C8-C18) via HPLC-MS/MS after ultrasonic-assisted extraction with acidified acetonitrile. QAACs were detected in 97 % of the soil samples irrespective of land use and area type. The most abundant QAAC homologues were DADMACs > BACs > ATMACs. The highest total QAAC concentrations were detected in alluvial soils influenced by the deposition of suspended particles during flood events, with DADMAC-C16 and -C18 as the dominant homologues. The high abundance of long-chain DADMACs suggests that legacy pollution and accumulation govern QAAC concentrations in soils. The presence of QAACs in forest soils points to a potential input via atmospheric deposition. Our work highlights the widespread occurrence of QAACs in soils of Hesse and the need for more research on their entry paths and fate in the soil ecosystem.
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Affiliation(s)
- Kai Jansen
- Institute of Soil Science and Soil Conservation, iFZ Research Center for BioSystems, Land Use and Nutrition, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany.
| | - Christian Mohr
- Institute of Soil Science and Soil Conservation, iFZ Research Center for BioSystems, Land Use and Nutrition, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany.
| | - Katrin Lügger
- Hessian Agency for Nature Conservation, Environment and Geology, Rheingaustrasse 186, 65203 Wiesbaden, Germany.
| | - Christian Heller
- Hessian Agency for Nature Conservation, Environment and Geology, Rheingaustrasse 186, 65203 Wiesbaden, Germany.
| | - Jan Siemens
- Institute of Soil Science and Soil Conservation, iFZ Research Center for BioSystems, Land Use and Nutrition, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany.
| | - Ines Mulder
- Institute of Soil Science and Soil Conservation, iFZ Research Center for BioSystems, Land Use and Nutrition, Justus Liebig University Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany.
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Štambuk P, Šikuten I, Preiner D, Maletić E, Karoglan Kontić J, Tomaz I. Croatian Native Grapevine Varieties' VOCs Responses upon Plasmopara viticola Inoculation. PLANTS (BASEL, SWITZERLAND) 2023; 12:404. [PMID: 36679116 PMCID: PMC9863345 DOI: 10.3390/plants12020404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/11/2023] [Accepted: 01/12/2023] [Indexed: 06/17/2023]
Abstract
The Plasmopara viticola pathogen causes one of the most severe grapevine diseases, namely downy mildew. The response to P. viticola involves both visible symptoms and intricate metabolomic alterations, particularly in relation to volatile organic compounds, and depends on the degree of resistance of a particular variety. There are numerous native grapevine varieties in Croatia, and they vary in susceptibility to this oomycete. As previously reported, in vitro leaf disc bioassay and polyphenolic compound analysis are complementary methods that can be used to separate native varieties into various resistance classes. This research used the Solid Phase Microextraction-Arrow Gas Chromatography-Mass Spectrometry method to identify the early alterations in the VOCs in the leaves after P. viticola inoculation. Based on the absolute peak area of sesquiterpenes, some discrepancies between the sampling terms were noticed. The presence of certain chemical compounds such as humulene, ylangene, and α-farnesene helped distinguish the non-inoculated and inoculated samples. Although specific VOC responses to P. viticola infection of native varieties from various resistance classes could not be identified, the response of less susceptible native varieties and resistant controls was associated with an increase in the absolute peak area of several compounds, including geranylacetone, ß-ocimene, and (E)-2-hexen-1-ol.
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Affiliation(s)
- Petra Štambuk
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
| | - Iva Šikuten
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
| | - Darko Preiner
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
| | - Edi Maletić
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
| | - Jasminka Karoglan Kontić
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
| | - Ivana Tomaz
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
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Widmer J, Norgrove L. Identifying candidates for the phytoremediation of copper in viticultural soils: A systematic review. ENVIRONMENTAL RESEARCH 2023; 216:114518. [PMID: 36273594 DOI: 10.1016/j.envres.2022.114518] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 10/01/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
For many years, copper-based fungicides have been used in viticulture and have contributed to increasing concentrations in soils. Today, it is not uncommon to find vineyard soils with total copper topsoil concentrations above 100 mg kg-1, which may have consequences for both the environment and human health. Phytoremediation, the use of plants to remove heavy metals from soils, is a promising and environmentally-friendly method to extract copper from soils. The objectives of this study were to review and synthesise the current knowledge on copper phytoremediation in vineyard soils and identify future applications. A systematic literature search in Web of Science was conducted on 19 July 2022 and resulted in twenty-seven papers meeting the inclusion criteria. Approximately one third of the papers were from Brazil and most of the experiments had been carried out in pots. In some studies, the addition of bacteria or chelators was also evaluated. Some species, such as Plantago lanceolata L. or Ricinus communis L., can accumulate copper in their tissues at concentrations above 1000 mg kg-1. Addition of bacteria and chelators to the soil can also increase the copper uptake capacity by plants. However, most of the species evaluated accumulate copper in the roots, rather than in the shoots, thus limiting the implementation of this method in practice. Further studies are thus needed to find other hyperaccumulator plants. Future research should focus primarily on the ability of plants to accumulate copper in their aerial parts, their ability to transfer copper from roots to shoots, and their biomass production under high soil copper concentrations. Longer-term experiments and more in situ testing are also needed to evaluate the potential for development and use of copper phytoremediation in vineyards. To conclude, species of the Poaceae and Lamiaceae families are the most promising so far for phytoremediation. Identifying plants able to translocate copper from the roots to the aerial parts will be an important factor in the success of this method.
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Affiliation(s)
- Jocelyn Widmer
- Bern University of Applied Sciences (BFH), School of Agricultural, Forest and Food Sciences (HAFL), Länggasse 85, 3052, Zollikofen, Bern, Switzerland.
| | - Lindsey Norgrove
- Bern University of Applied Sciences (BFH), School of Agricultural, Forest and Food Sciences (HAFL), Länggasse 85, 3052, Zollikofen, Bern, Switzerland.
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Eon P, Deogratias JM, Robert T, Coriou C, Bussiere S, Sappin-Didier V, Denaix L, Cornu JY. Ability of aerated compost tea to increase the mobility and phytoextraction of copper in vineyard soil. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 325:116560. [PMID: 36279772 DOI: 10.1016/j.jenvman.2022.116560] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/12/2022] [Accepted: 10/16/2022] [Indexed: 06/16/2023]
Abstract
Aerated compost tea (ACT) contains soluble humic substances (SHS) that are expected to alter the dynamics and ecotoxicity of Cu in soil. This study investigated the efficiency of ACT in enhancing the mobility and phytoextraction of Cu in vineyard soil. Crimson clover (Trifolium incarnatum L.) was grown on a vineyard soil at three concentrations of Cu (90, 261 and 432 mg kg-1), and supplied (or not) with ACT, then sampled after 56 days to determine the amount of Cu phytoextracted. Soil was extracted with 0.01 M KCl and potentiometric analyses were performed to measure the impact of ACT on the speciation of Cu in the extraction solution. ACT was found to increase the mobility of Cu in the soil by a factor of 3-14 depending on the soil Cu content and on the soil extraction date. The increase in Cu mobility was associated with an increase in absorbance at 254 nm and with a decrease in the free ionic fraction of Cu in the KCl extract, suggesting that Cu was mainly mobilized by the SHS present in the compost tea, and through a ligand-controlled dissolution process. ACT increased Cu phytoextraction at Cu90 and Cu261 by on average 80% thanks to its positive impact on plant growth, and on Cu accumulation in plant shoots, whereas it reduced Cu phytoextraction at Cu432 due to its deleterious effect on plant growth at this soil Cu content. ACT is thus an efficient way to increase the phytoavailability of Cu in soil, but probably should not be used in vineyard soils that are highly contaminated by Cu. To obtain Cu phytoextraction yields in line with the needs of the wine sector, the use of ACT needs to be associated with the cultivation of a Cu-accumulating plant.
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Affiliation(s)
- Pierre Eon
- ISPA, Bordeaux Sciences Agro, INRAE, 33140, Villenave d'Ornon, France
| | | | - Thierry Robert
- ISPA, Bordeaux Sciences Agro, INRAE, 33140, Villenave d'Ornon, France
| | - Cécile Coriou
- ISPA, Bordeaux Sciences Agro, INRAE, 33140, Villenave d'Ornon, France
| | - Sylvie Bussiere
- ISPA, Bordeaux Sciences Agro, INRAE, 33140, Villenave d'Ornon, France
| | | | - Laurence Denaix
- ISPA, Bordeaux Sciences Agro, INRAE, 33140, Villenave d'Ornon, France
| | - Jean-Yves Cornu
- ISPA, Bordeaux Sciences Agro, INRAE, 33140, Villenave d'Ornon, France.
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Angelier F, Prouteau L, Brischoux F, Chastel O, Devier MH, Le Menach K, Martin S, Mohring B, Pardon P, Budzinski H. High contamination of a sentinel vertebrate species by azoles in vineyards: a study of common blackbirds (Turdus merula) in multiple habitats in western France. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 316:120655. [PMID: 36410596 DOI: 10.1016/j.envpol.2022.120655] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/25/2022] [Accepted: 11/11/2022] [Indexed: 06/16/2023]
Abstract
Azoles represent the most used family of organic fungicides worldwide and they are used in agriculture to circumvent the detrimental impact of fungi on yields. Although it is known that these triazoles can contaminate the air, the soil, and the water, field data are currently and dramatically lacking to assess if, and to what extent, the use of triazoles could contaminate non-target wild vertebrate species, notably in agroecosystems. In this study, we aimed to document for the first time the degree of blood contamination of a generalist wild bird species by multiple azoles which are used for plant protection and fungi pest control in various habitats. We deployed passive air samplers and captured 118 Common blackbirds (Turdus merula) in an agroecosystem (vineyard), a protected forest, and a city in western France. We collected blood and analyzed the plasma levels of 13 triazoles and 2 imidazoles. We found that a significant percentage of blackbirds living in vineyards have extremely high plasma levels of multiple azoles (means (pg.g-1); tebuconazole: 149.23, difenoconazole: 44.27, fenbuconazole: 239.38, tetraconazole: 1194.16), while contamination was very limited in the blackbirds from the protected forest and absent in urban blackbirds. Interestingly, we also report that the contamination of blackbirds living in vineyard was especially high at the end of Spring and the beginning of Summer and this matches perfectly with the results from the passive air samplers (i.e., high levels of azoles in the air of vineyards during June and July). However, we did not find any correlation between the levels of plasma contamination by azoles and two simple integrative biomarkers of health (feather density and body condition) in this sentinel species. Future experimental studies are now needed to assess the potential sub-lethal effects of such levels of contamination on the physiology of non-target vertebrate species.
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Affiliation(s)
- Frédéric Angelier
- Centre D'Etudes Biologiques de Chizé, CNRS-LRU, UMR 7372, Villiers en Bois, 79360, France.
| | - Louise Prouteau
- Centre D'Etudes Biologiques de Chizé, CNRS-LRU, UMR 7372, Villiers en Bois, 79360, France; Université de Bordeaux, CNRS, EPOC, EPHE, UMR 5805, F-33600, Pessac, France
| | - François Brischoux
- Centre D'Etudes Biologiques de Chizé, CNRS-LRU, UMR 7372, Villiers en Bois, 79360, France
| | - Olivier Chastel
- Centre D'Etudes Biologiques de Chizé, CNRS-LRU, UMR 7372, Villiers en Bois, 79360, France
| | | | - Karyn Le Menach
- Université de Bordeaux, CNRS, EPOC, EPHE, UMR 5805, F-33600, Pessac, France
| | - Stéphan Martin
- Université de Bordeaux, CNRS, EPOC, EPHE, UMR 5805, F-33600, Pessac, France
| | - Bertille Mohring
- Centre D'Etudes Biologiques de Chizé, CNRS-LRU, UMR 7372, Villiers en Bois, 79360, France; Environmental and Marine Biology, Åbo Akademi University, FI-20250, Turku, Finland
| | - Patrick Pardon
- Université de Bordeaux, CNRS, EPOC, EPHE, UMR 5805, F-33600, Pessac, France
| | - Hélène Budzinski
- Université de Bordeaux, CNRS, EPOC, EPHE, UMR 5805, F-33600, Pessac, France
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Litter Additions Reduce the Side Effects of Biocides on Soil Nematode Communities in Illicium Verum Forest. Helminthologia 2022; 59:301-310. [PMID: 36694830 PMCID: PMC9831514 DOI: 10.2478/helm-2022-0031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 09/06/2022] [Indexed: 12/23/2022] Open
Abstract
The application of biocides may create unintended consequences on soil biota and ecosystem stability. The inputs of organic matter can increase biocides adsorption and reduction of non-target organisms influence. A field experiment was conducted to study the changes of soil abiotic and nematode communities resulting from biocides application in non-litter-added and litter-added soils in Illicium verum forest. Our results showed that litter addition could change the responses of soil nematodes to biocides. The influence of fungicide was evident mainly in litter-added plots in which it increased nematode abundance. Insecticide and its interaction with fungicide significantly decreased the diversity index and the abundance of omnivores-predators and herbivores in non-litter-added plots. While, insecticide had little effect on nematode diversity and abundance in litter-added plots. Litter addition may help to maintain the structure and stability of soil food web and result in bacteria dominant decomposition pathway. Our results suggest that litter addition may be a critical factor for maintaining soil ecosystem stability when biocides are applied in Illicium verum forest.
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Li X, Liu Y, Wang Z, Yang C, Zhang R, Luo Y, Ma Y, Deng Y. Microbiome analysis and biocontrol bacteria isolation from rhizosphere soils associated with different sugarcane root rot severity. Front Bioeng Biotechnol 2022; 10:1062351. [PMID: 36588942 PMCID: PMC9802638 DOI: 10.3389/fbioe.2022.1062351] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022] Open
Abstract
To explore the causal pathogen and the correlated rhizosphere soil microecology of sugarcane root rot, we sampled the sugarcane root materials displaying different disease severity, and the corresponding rhizosphere soil, for systematic root phenotype and microbial population analyses. We found that with increased level of disease severity reflected by above-ground parts of sugarcane, the total root length, total root surface area and total volume were significantly reduced, accompanied with changes in the microbial population diversity and structure in rhizosphere soil. Fungal community richness was significantly lower in the rhizosphere soil samples from mildly diseased plant than that from either healthy plant, or severely diseased plant. Particularly, we noticed that a peculiar decrease of potential pathogenic fungi in rhizosphere soil, including genera Fusarium, Talaromyces and Neocosmospora, with increased level of disease severity. As for bacterial community, Firmicutes was found to be of the highest level, while Acidobacteria and Chloroflexi of the lowest level, in rhizosphere soil from healthy plant compared to that from diseased plant of different severity. FUNGuild prediction showed that the proportion of saprophytic fungi was higher in the rhizosphere soil of healthy plants, while the proportion of pathogenic fungi was higher in the rhizosphere soil of diseased plants. By co-occurrence network analysis we demonstrated the Bacillus and Burkholderia were in a strong interaction with Fusarium pathogen(s). Consistently, the biocontrol and/or growth-promoting bacteria isolated from the rhizosphere soil were mostly (6 out of 7) belonging to Bacillus and Burkholderia species. By confrontation culture and pot experiments, we verified the biocontrol and/or growth-promoting property of the isolated bacterial strains. Overall, we demonstrated a clear correlation between sugarcane root rot severity and rhizosphere soil microbiome composition and function, and identified several promising biocontrol bacteria strains with strong disease suppression effect and growth-promoting properties.
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Affiliation(s)
- Xinyang Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresource, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning, China
| | - Yue Liu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresource, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning, China,Laboratory of Crop Physiology and Field Ecology, Northwest A&F University, Yangling, China
| | - Ziting Wang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresource, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning, China
| | - Chenglong Yang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresource, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning, China
| | - Runzhi Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresource, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning, China
| | - Yibao Luo
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresource, Guangxi Key Laboratory of Sugarcane Biology, Guangxi University, Nanning, China
| | - Yuming Ma
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
| | - Yizhen Deng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China,*Correspondence: Yizhen Deng,
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Regus F, Laffont-Schwob I, Hamrouni R, Dupuy N, Farnet Da Silva AM. Using bibliometrics to analyze the state of art of pesticide use in vineyard agrosystems: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:80123-80136. [PMID: 36192591 DOI: 10.1007/s11356-022-23285-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 09/22/2022] [Indexed: 06/16/2023]
Abstract
The production of wine dates to ancient civilization and has heavily influenced different landscapes around the globe. Nowadays, wine is still an important sector in terms of land use and income source in many countries, more specifically in the European Mediterranean region. However, to control pests and regulate wine growth, the extensive use of pesticides is common. The effects and persistence of agrochemicals in the environment is well known and defined in scientific literature as well as the environmental and human health risks of these compounds. The purpose of this review was to do a state of art of worldwide production of academic literature using bibliometric principles and analysis to identify thematic areas of this type of agriculture, and its challenges in a changing world. For this review, the focus is on current practices to see what may evolve for more sustainable viticulture. It was found that the three main producers of wine, i.e., Spain, France, and Italy, are also three top producers of scientific literature on this topic. The use of bibliometric methodologies defined the main thematic areas on this subject as follows: soil-plant transfer of agrochemicals, heavy metal accumulation in vineyard soils, management practices in viticulture, water pollution transport, effects of viticulture on the living part of soil, sustainable alternatives to pesticides. We found that Spain, France, and Italy work the most on developing sustainable alternatives for agricultural practices; however, sustainable alternatives and practices were also the least developed thematic in general.
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Affiliation(s)
- Flor Regus
- Aix Marseille Univ, CNRS, IRD, Avignon Université, IMBE, Marseille, France
- Aix Marseille Univ, IRD, LPED, Marseille, France
| | | | - Rayhane Hamrouni
- Aix Marseille Univ, CNRS, IRD, Avignon Université, IMBE, Marseille, France
| | - Nathalie Dupuy
- Aix Marseille Univ, CNRS, IRD, Avignon Université, IMBE, Marseille, France
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Pesticide sorption and mitigation efficiency of a detention pond in a Champagne vineyard catchment. Heliyon 2022; 8:e11475. [PMID: 36406734 PMCID: PMC9668682 DOI: 10.1016/j.heliyon.2022.e11475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/20/2022] [Accepted: 11/02/2022] [Indexed: 11/11/2022] Open
Abstract
Detention ponds (DPs) are used to reduce the pesticide inputs from runoff to surface water. This study aimed to assess the role of the sorption process in the mitigation of a DP made up of four successive units and built at the outlet of a vineyard catchment in Champagne (France) to treat runoff waters. Sorption kinetics and isotherms were studied for four pesticides with contrasting properties, cyazofamid (CYA), fludioxonil (FLX), fluopicolide (FLP) and oryzalin (ORY), in the presence of copper in sediments and four emergent macrophyte roots and rhizomes sampled in the DP units 2 (photodegradation) and 3 (phytoremediation). The adsorption equilibrium time (from 24 to 96 h) was less than the hydraulic residence times in the two units (6 and 18 days on average) between November 2016 and November 2017. Sorption equilibrium could then be reached in situ in 85 % of cases. The Kd coefficients of the four pesticides were overall greater in plant roots (14–6742 L kg−1) than in sediments (6–163 L kg−1) because of their affinity for organic matter and the molecular and porous structure of the plant matrices. Typha latifolia and Iris pseudacorus exhibited greater Kd coefficients than Mentha aquatica and Phragmites australis, probably due to their greater specific surface area. The pesticide adsorption capacity in sediments and in T. latifolia and I. pseudacorus roots (ORY ≥ FLX > CYA > FLP) was linked to their Kow. The estimated total annual amounts of the four pesticides adsorbed in situ were determined to be 1236 mg for unit 2 and 1570 mg for unit 3. The four plants improved the removal efficiency of the unit 3 by 33%. Thus, the establishment of suitable and effective plants should be promoted to optimize sorption processes and DP efficiency in reducing water pollution. Pesticide sorption on various substrates of a vineyard detention pond was assessed. The measured equilibrium time was less than the in situ hydraulic residence time. Plant roots and rhizomes showed greater pesticide adsorption capacity than sediments. Sorption capacity was higher on cattail and iris than on mint and reed. Affinity of selected pesticides for roots and sediments was related to their Kow.
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Silva LG, Camargo RC, Mascarin GM, Nunes PSDO, Dunlap C, Bettiol W. Dual functionality of Trichoderma: Biocontrol of Sclerotinia sclerotiorum and biostimulant of cotton plants. FRONTIERS IN PLANT SCIENCE 2022; 13:983127. [PMID: 36275544 PMCID: PMC9586451 DOI: 10.3389/fpls.2022.983127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 09/20/2022] [Indexed: 06/16/2023]
Abstract
Microbial crop protection products based on Trichoderma have the ability to display multifunctional roles in plant protection, such as pathogen parasitism, enhance nutrient availability and stimulate plant growth, and these traits can be used to enhance the overall agronomic performance of a variety of crops. In the current study, we explored the multifunctional potential of two indigenous Brazilian strains of Trichoderma (T. asperelloides CMAA 1584 and T. lentiforme CMAA 1585) for their capability of controlling Sclerotinia sclerotiorum, a key plant pathogen of cotton, and for their ability of growth promotion in cotton plants (Gossypium hirsutum). Both strains were able to solubilize mineral phosphorus (CaHPO4), to release volatile organic compounds that impaired the mycelial growth of S. sclerotiorum, and to promote the growth of cotton plants under greenhouse conditions. In dual culture, Trichoderma strains reduced the growth rate and the number of sclerotia formed by S. sclerotiorum. By treating sclerotia with conidial suspensions of these Trichoderma strains, a strong inhibition of the myceliogenic germination was observed, as a result of the marked mycoparasitic activity exerted on the sclerotia. The parasitism over S. sclerotiorum was more effective with T. asperelloides CMAA 1584, whilst the biostimulant effects on cotton growth were more pronounced with T. lentiforme CMAA 1585, which also showed a higher capacity of phosphate solubilization. Thus, T. asperelloides CMAA 1584 displays higher efficiency in controlling S. sclerotiorum, while T. lentiforme CMAA 1585 is more suitable as a biostimulant due to its ability to promote growth in cotton plants. Overall, these Trichoderma strains may be used in mixture to provide both pathogen control and promotion of plant growth, and this strategy will support growers in minimizing the use of synthetic fertilizers and fungicides against white mold in cotton crops.
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Affiliation(s)
- Lucas Guedes Silva
- Department of Plant Protection, School of Agriculture, São Paulo State University (UNESP), Botucatu, Brazil
- Embrapa Environment, Laboratory of Environmental Microbiology, Jaguariúna, Brazil
| | | | | | - Peterson Sylvio de Oliveira Nunes
- Embrapa Environment, Laboratory of Environmental Microbiology, Jaguariúna, Brazil
- Department of Phytopathology, Federal University of Lavras, Lavras, Brazil
| | - Christopher Dunlap
- Crop Bioprotection Research Unit, National Center for Agricultural Utilization Research, United States Department of Agriculture, Peoria, IL, United States
| | - Wagner Bettiol
- Embrapa Environment, Laboratory of Environmental Microbiology, Jaguariúna, Brazil
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Differences in the levels of sulphites and pesticide residues in soils and wines and under organic and conventional production methods. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Possamai T, Wiedemann-Merdinoglu S. Phenotyping for QTL identification: A case study of resistance to Plasmopara viticola and Erysiphe necator in grapevine. FRONTIERS IN PLANT SCIENCE 2022; 13:930954. [PMID: 36035702 PMCID: PMC9403010 DOI: 10.3389/fpls.2022.930954] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 06/27/2022] [Indexed: 06/01/2023]
Abstract
Vitis vinifera is the most widely cultivated grapevine species. It is highly susceptible to Plasmopara viticola and Erysiphe necator, the causal agents of downy mildew (DM) and powdery mildew (PM), respectively. Current strategies to control DM and PM mainly rely on agrochemical applications that are potentially harmful to humans and the environment. Breeding for resistance to DM and PM in wine grape cultivars by introgressing resistance loci from wild Vitis spp. is a complementary and more sustainable solution to manage these two diseases. During the last two decades, 33 loci of resistance to P. viticola (Rpv) and 15 loci of resistance to E. necator (Ren and Run) have been identified. Phenotyping is salient for QTL characterization and understanding the genetic basis of resistant traits. However, phenotyping remains a major bottleneck for research on Rpv and Ren/Run loci and disease resistance evaluation. A thorough analysis of the literature on phenotyping methods used for DM and PM resistance evaluation highlighted phenotyping performed in the vineyard, greenhouse or laboratory with major sources of variation, such as environmental conditions, plant material (organ physiology and age), pathogen inoculum (genetic and origin), pathogen inoculation (natural or controlled), and disease assessment method (date, frequency, and method of scoring). All these factors affect resistance assessment and the quality of phenotyping data. We argue that the use of new technologies for disease symptom assessment, and the production and adoption of standardized experimental guidelines should enhance the accuracy and reliability of phenotyping data. This should contribute to a better replicability of resistance evaluation outputs, facilitate QTL identification, and contribute to streamline disease resistance breeding programs.
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Affiliation(s)
- Tyrone Possamai
- CREA—Research Centre for Viticulture and Enology, Conegliano, Italy
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Interactive Effects of Copper and Functional Substances in Wine on Alcoholic Hepatic Injury in Mice. Foods 2022; 11:foods11162383. [PMID: 36010383 PMCID: PMC9407149 DOI: 10.3390/foods11162383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/02/2022] [Accepted: 08/04/2022] [Indexed: 11/19/2022] Open
Abstract
This study analyzed the interaction between copper and functional substances in wine under different drinking amounts on alcoholic liver injury in mice. When the daily drinking amount reached 500 mL/60 kg/day (14% abv) with just ethyl alcohol, the liver aspartate aminotransferase, alanine aminotransferase, and total triglyceride levels of mice were significantly increased to 130.71 U/L, 37.45 U/L, 2.55 U/L, the total antioxidant capacity, catalase, and glutathione level decreased significantly to 1.01 U/mL, 30.20 U/mgprot, and 2.10 U/mgprot, and the liver became gradually damaged. Wine could alleviate and reduce the damage caused by ethyl alcohol well. Low concentrations of copper (0.33, 0.66 mg/L) in wine hardly caused hepatic injury in mice and only significantly improved the aspartate aminotransferase values (109.21 U/L, 127.29 U/L) of serum. Combined with the staining evidence, in the case of medium and high intragastric doses (≥500 mL/60 kg/day), 0.99 mg/L copper (the maximum allowed by China’s national standards) in wine began to damage the liver, indicating that under this concentration, the damage of copper to the liver had begun to exceed the protective effect of wine’s functional substances on alcoholic hepatic injury. At all experimental doses, high concentrations (1.33 mg/L, 2.00 mg/L) of copper significantly aggravated alcoholic hepatic injury in mice, indicating that high concentrations of copper have a great toxicological risk. In the future, it is necessary to further strengthen the control of copper content in wine and the inspection of market wines in order to protect the health of consumers.
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Küpper V, Steiner U, Kortekamp A. Trichoderma species isolated from grapevine with tolerance towards common copper fungicides used in viticulture for plant protection. PEST MANAGEMENT SCIENCE 2022; 78:3266-3276. [PMID: 35524976 DOI: 10.1002/ps.6951] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 04/25/2022] [Accepted: 05/07/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Copper-containing fungicides are applied broadly in organic viticulture against downy mildew caused by Plasmopara viticola. Although long-term application of copper-based fungicides is associated with ecotoxic effects on the environment, their use in viticulture is required until sustainable alternatives are available. Trichoderma spp. might be a promising approach to fungicide reduction while promoting plant growth and development and displaying biocontrol activity. This study aims to examine the tolerance and compatibility of Trichoderma spp. to copper fungicides. This work contributes to the development of a spray application consisting of a copper-tolerant Trichoderma sp. combined with a downscaled copper fungicide rate against P. viticola. RESULTS Trichoderma spp. isolated from grapevine wood in vineyards were identified and used for tolerance screening in various concentrations of copper fungicides. Copper hydroxide was identified as being highly compatible with Trichoderma. Two Trichoderma candidates, T. koningiopsis and T. harzianum, showed high copper tolerance in mycelial growth and germination tests, and were adapted to 2.85 g Cu L-1 of the selected fungicide. Microscopic investigations showed the attachment of copper compounds to fungal cell walls and copper uptake within the cytoplasm. In the case of high tolerance, large-scale copper uptake was prevented. CONCLUSION Our findings identified two highly copper-tolerant Trichoderma isolates with natural adaptation to the vineyard ecosystem, which could be further tested as biostimulants and biocontrol agents, combined with a reduced fungicide rate for sustainable plant protection. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Verena Küpper
- Institute for Plant Protection, Department of Phytomedicine, State Education and Research Center of Viticulture, Horticulture and Rural Development (DLR) Rheinpfalz, Neustadt/Weinstraße, Germany
- Institute for Crop Science and Resource Conservation (INRES), Department of Plant Pathology, University of Bonn, Bonn, Germany
| | - Ulrike Steiner
- Institute for Crop Science and Resource Conservation (INRES), Department of Plant Pathology, University of Bonn, Bonn, Germany
| | - Andreas Kortekamp
- Institute for Plant Protection, Department of Phytomedicine, State Education and Research Center of Viticulture, Horticulture and Rural Development (DLR) Rheinpfalz, Neustadt/Weinstraße, Germany
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Mineral Neutralizers as a Tool for Improving the Properties of Soil Contaminated with Copper. MINERALS 2022. [DOI: 10.3390/min12070895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
In phytoremediation processes implemented in highly contaminated areas, there is a high risk of contaminant toxicity during the germination of freshly sown plants. In such conditions, it is recommended to support phytoremediation by using neutralizing additives. The present study aimed at assessing the effect of the addition of mineral neutralizers (MNs), i.e., limestone, clay, and zeolite, to soil contaminated with copper (0, 200, 400, 600 mg kg−1). Basic soil indicators were analyzed, such as pH, hydrolytic acidity (HAC), total exchangeable bases (TEB), cation exchange capacity (CEC), base saturation (BS), electrolytical conductivity (EC), total organic carbon (TOC), total nitrogen (Ntot), carbon to nitrogen ratio (C:N),, and interactions of soil micronutrients, such as Cu, Zn, Cd, Cr, Ni, Pb, Mn, and Fe with MNs. Copper contamination significantly decreased the soil pH and increased its HAC. A decrease in the share of TEB was found, which resulted in a decrease in the CEC and in BS of the soil. Among the additives, limestone had the most beneficial effect on reducing soil acidity, contributing to a significant increase in TEB, CEC, and BS. The least favorable effect was shown for clay, which generally caused the deterioration of soil properties. The MNs significantly increased the content of Zn, Cr, and Fe and lowered the content of Ni in the soil compared to the control. The demonstrated interactions indicate the diversified activity of MNs at different levels of soil contamination with copper.
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Gavriely S, Gulakhmedova T, Yecheskel Y, Rubin AE, Xing B, Richter S, Zucker I. Slow release of copper from jellyfish-based hydrogels for soil enrichment. NANOIMPACT 2022; 27:100417. [PMID: 35995389 DOI: 10.1016/j.impact.2022.100417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/11/2022] [Accepted: 08/15/2022] [Indexed: 06/15/2023]
Abstract
Nanotechnology has shown great potential to increase global food production and enhance food security. However, large-scale application of nano-enabled plant agriculture necessitates careful adjustments in design to overcome barriers associated with targeted nanomaterial delivery and their safety concerns. The research herein proposes the delivery of copper (Cu) from immobilized and non-immobilized copper oxide nanoparticles (Cu2O), an active nanomaterial with antifungal and micro-nutrient properties. A benign and biodegradable jellyfish-based hydrogel was used as a platform during Cu2O delivery to soils. The delivery kinetics and Cu dissolution from the nanocomposite were compared to those obtained with crosslinked ionic Cu in hydrogel, which was found to be a less controlled composite. In addition, changing environmental conditions from DI to soil extracts resulted in a decrease in the Cu dissolution rate (from 0.025 to 0.015 h-1) and an increase in the overall normalized Cu release (0.27 to 0.76 mg g-1). Use of hydrogels from natural sources allowed biodegradability over several months, adding nutrients (in the form of elements such as sulfur, nitrogen, and carbon) back to the environment, which ultimately minimizes nanomaterial required for a given desired nanomaterial yield and enhances the overall performance. Altogether, this work demonstrates the potential of Cu2O embedded hydrogels as a benign composite for Cu slow-release and therefore bolsters the field of nano-enabled plant agriculture and supports its safe deployment at large scales.
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Affiliation(s)
- Shira Gavriely
- Department of Materials Science and Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel; Tel Aviv University Center for Nano Science and Nanotechnology, Tel Aviv University, Tel Aviv 69978, Israel
| | - Tamilla Gulakhmedova
- Department of Materials Science and Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel; Tel Aviv University Center for Nano Science and Nanotechnology, Tel Aviv University, Tel Aviv 69978, Israel
| | - Yinon Yecheskel
- School of Mechanical Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel; The Porter School of Environmental and Earth Sciences, Tel Aviv University, 69978, Israel
| | - Andrey Ethan Rubin
- The Porter School of Environmental and Earth Sciences, Tel Aviv University, 69978, Israel
| | - Baoshan Xing
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA 01003, United States
| | - Shachar Richter
- Department of Materials Science and Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel; Tel Aviv University Center for Nano Science and Nanotechnology, Tel Aviv University, Tel Aviv 69978, Israel
| | - Ines Zucker
- Tel Aviv University Center for Nano Science and Nanotechnology, Tel Aviv University, Tel Aviv 69978, Israel; School of Mechanical Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel; The Porter School of Environmental and Earth Sciences, Tel Aviv University, 69978, Israel.
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50
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Sosa-Zuniga V, Vidal Valenzuela Á, Barba P, Espinoza Cancino C, Romero-Romero JL, Arce-Johnson P. Powdery Mildew Resistance Genes in Vines: An Opportunity to Achieve a More Sustainable Viticulture. Pathogens 2022; 11:pathogens11060703. [PMID: 35745557 PMCID: PMC9230758 DOI: 10.3390/pathogens11060703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/11/2022] [Accepted: 06/13/2022] [Indexed: 12/10/2022] Open
Abstract
Grapevine (Vitis vinifera) is one of the main fruit crops worldwide. In 2020, the total surface area planted with vines was estimated at 7.3 million hectares. Diverse pathogens affect grapevine yield, fruit, and wine quality of which powdery mildew is the most important disease prior to harvest. Its causal agent is the biotrophic fungus Erysiphe necator, which generates a decrease in cluster weight, delays fruit ripening, and reduces photosynthetic and transpiration rates. In addition, powdery mildew induces metabolic reprogramming in its host, affecting primary metabolism. Most commercial grapevine cultivars are highly susceptible to powdery mildew; consequently, large quantities of fungicide are applied during the productive season. However, pesticides are associated with health problems, negative environmental impacts, and high costs for farmers. In paralleled, consumers are demanding more sustainable practices during food production. Therefore, new grapevine cultivars with genetic resistance to powdery mildew are needed for sustainable viticulture, while maintaining yield, fruit, and wine quality. Two main gene families confer resistance to powdery mildew in the Vitaceae, Run (Resistance to Uncinula necator) and Ren (Resistance to Erysiphe necator). This article reviews the powdery mildew resistance genes and loci and their use in grapevine breeding programs.
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Affiliation(s)
- Viviana Sosa-Zuniga
- Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Avenida Libertador Bernardo O’Higgins 340, Santiago 8331150, Chile;
- Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Avenida Vicuña Mackenna 4560, Santiago 7820436, Chile
| | - Álvaro Vidal Valenzuela
- Foundazione Edmund Mach, Via Edmund Mach 1, San Michele all’Adige (TN), 38010 Trento, Italy;
| | - Paola Barba
- Instituto de Investigaciones Agropecuarias, Avenida Santa Rosa 11610, Santiago 8831314, Chile;
| | - Carmen Espinoza Cancino
- Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Avenida El Llano Subercaseaux 2801, Santiago 8900000, Chile;
| | - Jesus L. Romero-Romero
- Departamento de Biotecnología Agrícola, Instituto Politécnico Nacional, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional, Unidad Sinaloa, Bvd. Juan de Dios Bátiz Paredes 250, Culiacan Rosales 81101, Mexico;
| | - Patricio Arce-Johnson
- Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Avenida Libertador Bernardo O’Higgins 340, Santiago 8331150, Chile;
- Agrijohnson Ltda., Parcela 16b, Miraflores, Curacavi 9630000, Chile
- Correspondence:
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