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Lopes NGM, Kloss RB, Dos Santos IC, Souza VL, Prasad MNV, Mangabeira PAO, França MGC. Soil flooding and its outcome on cadmium and nutrient uptake affect photosynthetic activity in Inga laurina plants. ECOTOXICOLOGY (LONDON, ENGLAND) 2023; 32:73-81. [PMID: 36626014 DOI: 10.1007/s10646-022-02615-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
Urban areas next to mangroves are subject to progressive heavy metal contamination. Treelets of Inga laurina were collected in this ecosystem and cultivated for 30 days in waterlogged conditions and closed pots (WC) and at field capacity (FC), while exposed to different Cd concentrations (0, 50 and 100 mg·kg-1). Soil water conditions did not affect total Cd in plants, with Cd accumulating in roots and WC inducing less leaf chlorophyll while increasing carotenoids and chlorophyll ratio. Higher net photosynthesis, stomatal conductance, transpiration, and Ci/Ca ratio were observed under the highest Cd concentration and WC, while being conservative in water consumption as shown by the reduction in both water use efficiencies. Nutritional uptake behaved differently for each element, with N, Mg and Ca not being affected by Cd under WC but K increasing with Cd. At FC, plants showed higher values than WC, with the highest Cd concentration at FC showing the highest values overall. Nutrient allocation in organs was affected by WC in N, Mg, K, P and Ca but only P by Cd, with WC reducing nutrients overall and N, Mg and Ca behaving the same in both soil conditions while K was lowered in leaves and increased in roots under WC. P allocation under WC was not hindered by Cd even showing higher values in it than FC in some treatments. Altogether, results indicate that I. laurina can be considered a Cd-tolerant species, especially in WC and it presents a potential to be used as a phytoremediator plant.
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Affiliation(s)
- Namir G M Lopes
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Campos Soane Nazaré de Andrade, Rodovia Jorge Amado, Km 16, Bairro Sobradinho, CEP 45662-900, Ilhéus, Ba, Brasil
| | - Rodrigo B Kloss
- Departamento de Botânica, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, Brasil
| | - Ivanildes C Dos Santos
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Campos Soane Nazaré de Andrade, Rodovia Jorge Amado, Km 16, Bairro Sobradinho, CEP 45662-900, Ilhéus, Ba, Brasil
| | - Vânia L Souza
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Campos Soane Nazaré de Andrade, Rodovia Jorge Amado, Km 16, Bairro Sobradinho, CEP 45662-900, Ilhéus, Ba, Brasil
| | - Majeti N V Prasad
- Department of Plant Science, University of Hyderabad, Hyderabad, Telangana, India
| | - Pedro A O Mangabeira
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Campos Soane Nazaré de Andrade, Rodovia Jorge Amado, Km 16, Bairro Sobradinho, CEP 45662-900, Ilhéus, Ba, Brasil.
| | - Marcel G C França
- Departamento de Botânica, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, Brasil.
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Li X, Zhang L, Ren H, Wang X, Mi F. Zinc toxicity response in Ceratoides arborescens and identification of CaMTP, a novel zinc transporter. FRONTIERS IN PLANT SCIENCE 2022; 13:976311. [PMID: 36161019 PMCID: PMC9505901 DOI: 10.3389/fpls.2022.976311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 07/25/2022] [Indexed: 06/16/2023]
Abstract
Zinc (Zn) is an essential micronutrient for several physiological and biochemical processes. Changes in soil Zn levels can negatively affect plant physiology. Although the mechanism of Zn nutrition has been studied extensively in crops and model plants, there has been little research on steppe plants, particularly live in alkaline soils of arid and semiarid regions. Ceratoides arborescens is used in arid and semiarid regions as forage and ecological restoration germplasm, which is studied can enrich the mechanism of Zn nutrition. The plants were exposed to three different Zn treatments, Zn-deficient (-Zn 0 mM L-1), Zn-normal (Control, 0.015 mM L-1), and Zn-excess (+Zn, 0.15 mM L-1), for 3 weeks. Individual biomass, ion concentrations, photosynthetic system, and antioxidant characteristics were measured. High Zn supply significantly decreased plant biomass and induced chlorosis and growth defects and increased Zn concentration but decreased Fe and Ca concentrations, unlike in controls (p < 0.05). High Zn supply also reduced plant chlorophyll content, which consequently decreased the photosynthesis rate. Increased concentrations of malondialdehyde and soluble sugar and activities of peroxidase and superoxide dismutase could resist the high-level Zn stress. In contrast, low Zn supply did not affect plant growth performance. We also identified a novel protein through RNA transcriptome analysis, named CaMTP, that complemented the sensitivity of a yeast mutant to excessive Zn, which was found to be localized to the endoplasmic reticulum through transient gene expression in Nicotiana benthamiana. The gene CaMTP identified to be highly sensitive to Zn stress is a potential candidate for overcoming mineral stress in dicot crop plants.
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Affiliation(s)
- Xingyue Li
- College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
| | - Lin Zhang
- M-Grass Ecology and Environment (Group) Co., Ltd., Hohhot, China
| | - Haiyan Ren
- College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
| | - Xiaoyu Wang
- College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
| | - Fugui Mi
- College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
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Ferreira PAA, Lopes G, Santana NA, Marchezan C, Soares CRFS, Guilherme LRG. Soil amendments affect the potential of Gomphrena claussenii for phytoremediation of a Zn- and Cd-contaminated soil. CHEMOSPHERE 2022; 288:132508. [PMID: 34634277 DOI: 10.1016/j.chemosphere.2021.132508] [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: 06/12/2021] [Revised: 09/28/2021] [Accepted: 10/06/2021] [Indexed: 06/13/2023]
Abstract
This study assessed the impact of inorganic and organic amendments upon zinc (Zn) and cadmium (Cd) availabilities in leachates collected from a Cd- and Zn-contaminated soil, while also evaluating the beneficial use of the tested amendments for decreasing metal availability, hence improving the phytoremediation potential of Gomphrena claussenii Moq. Plants were grown for 60 days in a Zn-smelting-affected soil containing 45,000 and 621 mg kg-1 of Zn and Cd, respectively (pseudo-total concentrations), after application of the following amendments: limestone, calcium silicate, sewage sludge, triple superphosphate, and red mud. Zinc and Cd availabilities in the soil decreased following the addition of limestone, calcium silicate, and red mud. These amendments were effective in reducing metal mobility and availability, positively affecting plant growth. Plants grown in the soil amended with limestone and calcium silicate accumulated Zn mainly in the roots, while Cd was translocated to plant shoots, with smaller amounts being detected in the roots. Reductions of Zn and Cd concentrations in the leachate were found by adding red mud, with this decrease for Zn being less pronounced compared to what was verified after the application of limestone and calcium silicate. Moreover, the use of red mud resulted in a higher Zn:Cd ratio in the leachate, which favored a greater absorption and transport of Zn from root to shoot. In conclusion, the tested soil amendments reduced the availability of excessive concentrations of Cd and Zn in naturally contaminated soil, which resulted in improved growth and survival of Zn- and Cd-tolerant G. claussenii plants, with the application of limestone, calcium silicate, and red mud - i.e., alkaline amendments - standing out as the best combinations with G. Claussenii when designing a strategy to achieve optimal phytoremediation.
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Affiliation(s)
| | - Guilherme Lopes
- Department of Soil Science, School of Agricultural Science, Federal University of Lavras, Lavras, MG, Brazil
| | - Natielo Almeida Santana
- Department of Soil Science, School of Agricultural Science, Federal University of Lavras, Lavras, MG, Brazil
| | - Carina Marchezan
- Department of Soil Science, School of Agricultural Science, Federal University of Lavras, Lavras, MG, Brazil
| | - Claudio Roberto Fonsêca Sousa Soares
- Centre for Biological Sciences, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianopolis, SC, Brazil
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Al-Lami MK, Nguyen D, Oustriere N, Burken JG. High throughput screening of native species for tailings eco-restoration using novel computer visualization for plant phenotyping. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 780:146490. [PMID: 34030344 DOI: 10.1016/j.scitotenv.2021.146490] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 03/09/2021] [Accepted: 03/11/2021] [Indexed: 06/12/2023]
Abstract
Historical hard-rock mine activities have resulted in nearly half a million mining-impacted sites scattered around the US. Compared to conventional remediation, (aided) phytostabilization is generally cost-effective and ecologically productive approach, particularly for large-scale sites. Native species act to maintain higher local biodiversity, providing a foundation for natural ecological succession. Due to heterogeneity of mine waste, revegetation strategies are inconsistent in approach, and to avoid failure scenarios, greenhouse screening studies can identify candidate plants and amendment strategies before scaling up. This greenhouse study aimed to concurrently screen a variety of native species for their potential to revegetate Cu/Pb/Zn mine tailings and develop a high throughput and non-destructive approach utilizing computer vision and image-based phenotyping technologies to quantify plant responses. A total number of 34 species were screened in this study, which included: 5 trees, 8 grasses, and 21 forbs and legumes. Most of the species tested were Missouri native and prairie species. Plants were non-destructively imaged, and 15 shape and color phenotypic attributes were extracted utilizing computer vision techniques of PlantCV. Compared to reference soil, all species tested were negatively impacted by the tailings' characteristics, with lowest tolerance generally observed in tree species. However, significant improvement in plant growth and tolerance generally observed with biosolids addition with biomass surpassing reference soil for most legumes. Accumulation of Cu, Pb, and Zn was below Domestic Animal Toxicity Limits in most species. Statistically robust differences in species responses were observed using phenotypic data, such as area, height, width, color, and 9 other morphological attributes. Correlations with destructive data indicated that area displayed the greatest positive correlation with biomass and color the greatest negative correlation with shoot metals. Computer visualization greatly increased the phenotypic data and offers a breakthrough in rapid, high throughput data collection to project site-specific phytostabilization strategies to efficiently restore mine-impacted sites.
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Affiliation(s)
- Mariam K Al-Lami
- Department of Civil, Architectural and Environmental Engineering, Missouri Univ. of Science and Technology, Rolla, MO 65409, United States of America.
| | - Dane Nguyen
- Department of Civil, Architectural and Environmental Engineering, Missouri Univ. of Science and Technology, Rolla, MO 65409, United States of America.
| | - Nadège Oustriere
- Laboratoire Génie Civil Et Géoenvironnement (LGCgE), Yncréa Hauts-De-France, Institut Supérieur Agriculture, 48 Boulevard Vauban, 59046 Lille Cedex, France.
| | - Joel G Burken
- Department of Civil, Architectural and Environmental Engineering, Missouri Univ. of Science and Technology, Rolla, MO 65409, United States of America.
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Kumar V, Pandita S, Singh Sidhu GP, Sharma A, Khanna K, Kaur P, Bali AS, Setia R. Copper bioavailability, uptake, toxicity and tolerance in plants: A comprehensive review. CHEMOSPHERE 2021; 262:127810. [PMID: 32763578 DOI: 10.1016/j.chemosphere.2020.127810] [Citation(s) in RCA: 148] [Impact Index Per Article: 49.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/14/2020] [Accepted: 07/21/2020] [Indexed: 05/04/2023]
Abstract
Copper (Cu) is an essential element for humans and plants when present in lesser amount, while in excessive amounts it exerts detrimental effects. There subsists a narrow difference amid the indispensable, positive and detrimental concentration of Cu in living system, which substantially alters with Cu speciation, and form of living organisms. Consequently, it is vital to monitor its bioavailability, speciation, exposure levels and routes in the living organisms. The ingestion of Cu-laced food crops is the key source of this heavy metal toxicity in humans. Hence, it is necessary to appraise the biogeochemical behaviour of Cu in soil-plant system with esteem to their quantity and speciation. On the basis of existing research, this appraisal traces a probable connexion midst: Cu levels, sources, chemistry, speciation and bioavailability in the soil. Besides, the functions of protein transporters in soil-plant Cu transport, and the detrimental effect of Cu on morphological, physiological and nutrient uptake in plants has also been discussed in the current manuscript. Mechanisms related to detoxification strategies like antioxidative response and generation of glutathione and phytochelatins to combat Cu-induced toxicity in plants is discussed as well. We also delimits the Cu accretion in food crops and allied health perils from soils encompassing less or high Cu quantity. Finally, an overview of various techniques involved in the reclamation and restoration of Cu-contaminated soils has been provided.
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Affiliation(s)
- Vinod Kumar
- Department of Botany, Government Degree College, Ramban, Jammu, 182144, India.
| | - Shevita Pandita
- Department of Botany, University of Jammu, Jammu and Kashmir, India
| | - Gagan Preet Singh Sidhu
- Centre for Applied Biology in Environment Sciences, Kurukshetra University, Kurukshetra, 136119, India
| | - Anket Sharma
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, China
| | - Kanika Khanna
- Independent Researcher, House No.282, Lane no. 3, Friends Colony, Opposite DAV College, Jalandhar, 144008, Punjab, India
| | - Parminder Kaur
- Independent Researcher, House No. 472, Ward No. 8, Dhariwal, Gurdaspur, 143519, Punjab, India
| | - Aditi Shreeya Bali
- Department of Botany, Dyal Singh College, Karnal, Haryana, 132001, India
| | - Raj Setia
- Punjab Remote Sensing Centre, Ludhiana, India
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Covre WP, Pereira WVDS, Gonçalves DAM, Teixeira OMM, Amarante CBD, Fernandes AR. Phytoremediation potential of Khaya ivorensis and Cedrela fissilis in copper contaminated soil. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 268:110733. [PMID: 32510453 DOI: 10.1016/j.jenvman.2020.110733] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 05/06/2020] [Accepted: 05/07/2020] [Indexed: 06/11/2023]
Abstract
Mineral exploration of copper (Cu) in the Amazon has significantly impacted the environment, leading to contamination of large areas that require remediation. Tropical tree species that can immobilize metals and restore plant cover should be selected for phytoremediation programs. The phytoremediation behavior of Khaya ivorensis and Cedrela fissilis was studied in Cu contaminated soil (60, 200, 400, and 600 mg kg-1). K. ivorensis absorbed extremely high amounts of Cu in the roots (329 mg kg-1) and excessive amounts in the shoot (52 mg kg-1), while maintaining similar growth to control plants. C. fissilis seedlings presented a higher Dickson quality index. Bioaccumulation (BCF) and translocation (TF) factors were low in both species, indicating that even with the high amounts of copper absorbed, these contents were lower than the soil concentration (BCF < 1) and that most of Cu was compartmentalized in the roots (TF < 1). The tolerance index of K. ivorensis (>1) and C. fissilis (~1) indicate their ability to grow in Cu contaminated soil. These results suggest that these species could potentially be used as phytoremediators.
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Dos Santos EA, Filho USDS, Barroso GM, Rocha BPJS, Possato EL. Tolerance and remedial potential of trees submitted to atrazine and sulfentrazone in the rhizosphere. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2019; 22:78-86. [PMID: 31364395 DOI: 10.1080/15226514.2019.1644290] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Residual herbicides are important for agricultural production but they may be lost underground. Trees capable of removing or degrading these products are interesting to the agro system. The objective was to evaluate the tolerance and remedial potential of trees in soil contaminated by atrazine and sulfentrazone. The experiment was arranged in a 7 × 3 factorial scheme. Factor one was composed of Inga edulis Mart., Myrsine gardneriana A.DC., Schizolobium parahyba (Vell.) Blake, Toona ciliata M. Roem., Trichilia hirta L. and Triplaris americana L. Factor two consisted of monthly solutions of atrazine (1000 g ha-1), sulfentrazone (150 g ha-1) and water only (control), applied through subgrade irrigation. The following parameters were evaluated: visual intoxication, plant growth, and biomass accumulation. Cucumber biomass was used as an indicator of herbicide residues in soil. Symptoms of intoxication were found only in S. parahyba and T. americana. Growth and biomass of the species were not affected by herbicides, except for T. americana. The herbicides provided higher biomass for T. hirta. Saplings of I. edulis, M. gardneriana, S. parahyba, T. ciliate, and T. hirta tolerate atrazine and sulfentrazone. Triplaris americana is sensitive to sulfentrazone. Inga edulis decreased sulfentrazone residues in the soil.
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Affiliation(s)
| | | | - Gabriela Madureira Barroso
- Departamento de Engenharia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Minas Gerais, Brasil
| | | | - Ernani Lopes Possato
- Departamento de Engenharia Florestal, Universidade Federal de Viçosa, Minas Gerais, Brazil
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Midhat L, Ouazzani N, Hejjaj A, Ouhammou A, Mandi L. Accumulation of heavy metals in metallophytes from three mining sites (Southern Centre Morocco) and evaluation of their phytoremediation potential. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 169:150-160. [PMID: 30445246 DOI: 10.1016/j.ecoenv.2018.11.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 10/08/2018] [Accepted: 11/02/2018] [Indexed: 06/09/2023]
Abstract
The current study aims to perform a field survey of three abandoned mining sites in the southern centre of Morocco to assess the recent metal pollution in soils and accumulation potential of plant species. Native plants and soils were sampled at several sites in the studied mines and analysed for Cu, Zn, Pb and Cd concentrations. Soils in the investigated sites proved to be deficient in major macronutrients and to contain toxic levels of Cu, Zn, Pb and Cd. Botanical survey of the prospected sites showed the abundance of diverse plant communities (46 species and 19 families), with no obvious toxicity symptoms. Results showed that the concentrations of heavy metals were different in the same plant species and from plant species to another. Eight plants of 46 species namely Hirschfeldia incana (L.) Lagr.-Foss, Citrullus vulgaris (L.) Schradi, Portulaca oleracea L., Stipa capensis Thunb., Lactuca viminea (L.) J.Presl & C.Presl, Forsskaolea tenacissima L., Lycium intricatum Boiss. and Hammada scoparia (Pomel) Iljin were considered as the best-performing specimens due to their high ability to accumulate multiple metals in their shoots and roots without being affected by excessive metal contents. This was confirmed by the transfer factors generally higher than 1. Consequently, these tolerant and native plant species could be used as tools for an effective phytorestoration of metal-contaminated sites.
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Affiliation(s)
- Laila Midhat
- National Center for Research and Studies on Water and Energy, CNEREE, Cadi Ayyad University, PO 511, Marrakech, Morocco; Laboratory of Hydrobiology, Ecotoxicology, Sanitation and Global change (LHEAC, CNRST Associated Research Unit, URAC33), Faculty of Sciences Semlalia, Cadi Ayyad University, PO 2390, Marrakech, Morocco
| | - Naaila Ouazzani
- National Center for Research and Studies on Water and Energy, CNEREE, Cadi Ayyad University, PO 511, Marrakech, Morocco; Laboratory of Hydrobiology, Ecotoxicology, Sanitation and Global change (LHEAC, CNRST Associated Research Unit, URAC33), Faculty of Sciences Semlalia, Cadi Ayyad University, PO 2390, Marrakech, Morocco
| | - Abdessamed Hejjaj
- National Center for Research and Studies on Water and Energy, CNEREE, Cadi Ayyad University, PO 511, Marrakech, Morocco
| | - Ahmed Ouhammou
- Laboratory of Environment and Ecology (L2E, CNRST Associated Research Unit, URAC 32), Regional Herbarium MARK, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech, Morocco
| | - Laila Mandi
- National Center for Research and Studies on Water and Energy, CNEREE, Cadi Ayyad University, PO 511, Marrakech, Morocco; Laboratory of Hydrobiology, Ecotoxicology, Sanitation and Global change (LHEAC, CNRST Associated Research Unit, URAC33), Faculty of Sciences Semlalia, Cadi Ayyad University, PO 2390, Marrakech, Morocco.
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Pittarello M, Busato JG, Carletti P, Zanetti LV, da Silva J, Dobbss LB. Effects of different humic substances concentrations on root anatomy and Cd accumulation in seedlings of Avicennia germinans (black mangrove). MARINE POLLUTION BULLETIN 2018; 130:113-122. [PMID: 29866537 DOI: 10.1016/j.marpolbul.2018.03.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 03/01/2018] [Accepted: 03/04/2018] [Indexed: 06/08/2023]
Abstract
Mangrove areas are among most threatened tropical ecosystems worldwide. Among polluting agents Cadmium is often found in high concentrations in mangrove sediments. Humic substances, complex biomolecules formed in soil and sediments during animal and plant residuals decomposition, have a known biostimulant activity and can be adopted to counteract various plant stresses. This study explores, in controlled conditions, the effect of humic substances on Avicennia germinans seedlings, with or without cadmium contamination. Humic compounds significantly changed plant root architecture, and, when coupled with cadmium, root anatomy and Cortex to Vascular Cylinder diameter ratio. These modifications led to lower Cd uptake by humic substances-treated plants. Humic substances amendment could be effective, depending on their concentrations, on improving plant health in mangrove areas, for forest recuperation and/or dredged sediments phytoremediation purposes.
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Affiliation(s)
- Marco Pittarello
- University of Vila Velha, Ecology of organic matter laboratory, Biopraticas Compound, Vila Velha, ES, Brazil.
| | - Jader Galba Busato
- University of Brasilia, Faculty of Agronomy and Veterinary Medicine, University Campus Darcy Ribeiro, Sciences Central Institute, Federal District, Brazil
| | - Paolo Carletti
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), University of Padova, Padova, Italy
| | - Leonardo Valandro Zanetti
- Federal University of Espirito Santo, Biological sciences Department, Botany Sector, Vitoria, ES, Brazil
| | - Juscimar da Silva
- Embrapa Hortaliças, Rodovia BR-060, Km 09, Fazenda Tamanduà, CEP70351-970 Brasilia, DF, Brazil
| | - Leonardo Barros Dobbss
- Federal University of Vales do Jequitinhonha e Mucuri, Institute of Agricultural Sciences, Unaí, MG, Brazil
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