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García-Locascio E, Valenzuela EI, Cervantes-Avilés P. Impact of seed priming with Selenium nanoparticles on germination and seedlings growth of tomato. Sci Rep 2024; 14:6726. [PMID: 38509209 PMCID: PMC10954673 DOI: 10.1038/s41598-024-57049-3] [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: 12/28/2023] [Accepted: 03/13/2024] [Indexed: 03/22/2024] Open
Abstract
Poor germination and seedlings growth can lead to significant economic losses for farmers, therefore, sustainable agricultural strategies to improve germination and early growth of crops are urgently needed. The objective of this work was to evaluate selenium nanoparticles (Se NPs) as nanopriming agents for tomato (Solanum lycopersicum) seeds germinated without stress conditions in both trays and Petri dishes. Germination quality, seedlings growth, synergism-antagonism of Se with other elements, and fate of Se NPs, were determined as function of different Se NPs concentrations (1, 10 and 50 ppm). Results indicated that the germination rate in Petri dishes improved with 10 ppm, while germination trays presented the best results at 1 ppm, increasing by 10 and 32.5%, respectively. Therefore, seedlings growth was measured only in germination trays. Proline content decreased up to 22.19% with 10 ppm, while for same treatment, the total antioxidant capacity (TAC) and total chlorophyll content increased up to 38.97% and 21.28%, respectively. Antagonisms between Se with Mg, K, Mn, Zn, Fe, Cu and Mo in the seed were confirmed. In the case of seedlings, the N content decreased as the Se content increased. Transmission Electron Microscopy (TEM) imaging confirmed that Se NPs surrounded the plastids of the seed cells. By this finding, it can be inferred that Se NPs can reach the embryo, which is supported by the antagonism of Se with important nutrients involved in embryogenesis, such as K, Mg and Fe, and resulted in a better germination quality. Moreover, the positive effect of Se NPs on total chlorophyll and TAC, and the negative correlation with proline content with Se content in the seed, can be explained by Se NPs interactions with proplastids and other organelles within the cells, resulting with the highest length and fresh weight when seeds were exposed to 1 ppm.
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Affiliation(s)
- Ezequiel García-Locascio
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Reserva Territorial Atlixcáyotl, CP 72453, Puebla, Pue, México
| | - Edgardo I Valenzuela
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Reserva Territorial Atlixcáyotl, CP 72453, Puebla, Pue, México
| | - Pabel Cervantes-Avilés
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Reserva Territorial Atlixcáyotl, CP 72453, Puebla, Pue, México.
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Nepal J, Xin X, Maltais-Landry G, Ahmad W, Pereira J, Santra S, Wright AL, Ogram A, Stofella PJ, He Z. Carbon nanomaterials are a superior soil amendment for sandy soils than biochar based on impacts on lettuce growth, physiology and soil biochemical quality. NANOIMPACT 2023; 31:100480. [PMID: 37625671 DOI: 10.1016/j.impact.2023.100480] [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: 06/01/2023] [Revised: 08/14/2023] [Accepted: 08/20/2023] [Indexed: 08/27/2023]
Abstract
A significant bottleneck of current agricultural systems remains the very low agronomic efficiency of conventional agrochemicals, particularly in sandy soils. Carbon nanomaterials (CNMs) have been proposed to address this inefficiency in sandy soils, which could potentially improve soil fertility and enhance crop growth and physiological processes. However, the effects of different rates of CNMs on crop physiological and soil biochemical quality in sandy soils must be compared to other carbon sources (e.g., biochar) before CNMs can be broadly used. To address this, a 70-day pot experiment was set up, growing lettuce under ten treatments: a negative control with no CNMs, biochar or fertilizer; a fertilizer-only control; three CNMs-only unfertilized treatments (CNMs at 200, 400 and 800 mg kg-1 soil); two biochar treatments with fertilizer (biochar at 0.5% and 1% by soil mass + fertilizer); and three CNMs treatments with fertilizer (CNMs at 200, 400 and 800 mg kg-1 soil + fertilizer). A novel amorphous, water-dispersible, and carboxyl-functionalized CNMs with pH of 5.5, zeta potential of -40.6 mV and primary particle diameter of 30-60 nm was used for this experiment. Compared to the fertilizer-only control, CNMs applied at low to medium levels (200-400 mg kg-1) significantly increased lettuce shoot biomass (20-21%), total chlorophyll (23-27%), and fluorescence and photosynthetic activities (4-10%), which was associated with greater soil nutrient availability (N: 24-58%, K: 68-111%) and higher leaf tissue accumulation (N: 25-27%; K: 66%). Low to medium levels of CNMs also significantly increased soil biochemical properties, such as higher soil microbial biomass carbon (27-29%) and urease enzyme activity (34-44%) relative to fertilizer-only applications. In contrast, biochar (0.5%) increased lettuce biomass relative to fertilizer-only but had no significant effect on soil fertility and biological properties. These results suggest that CNMs at low to medium application rates are a superior carbon-based amendment relative to biochar in sandy soils.
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Affiliation(s)
- Jaya Nepal
- Dept. of Soil, Water, and Ecosystem Sciences, Indian River Research and Education Center, Institute of Food and Agricultural Sciences, University of Florida, Fort Pierce, FL, United States of America
| | - Xiaoping Xin
- Dept. of Soil, Water, and Ecosystem Sciences, Indian River Research and Education Center, Institute of Food and Agricultural Sciences, University of Florida, Fort Pierce, FL, United States of America
| | - Gabriel Maltais-Landry
- Dept. of Soil, Water, and Ecosystem Sciences, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, United States of America
| | - Wiqar Ahmad
- Department of Soil and Environmental Sciences, University of Agriculture, Peshawar, AMK Campus, 23200 Mardan, Pakistan
| | - Jorge Pereira
- Department of Chemistry, Nanoscience Technology Center, University of Central Florida, Orlando, FL, United States of America
| | - Swadeshmukul Santra
- Department of Chemistry, Nanoscience Technology Center, University of Central Florida, Orlando, FL, United States of America; Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL, United States of America
| | - Alan L Wright
- Dept. of Soil, Water, and Ecosystem Sciences, Indian River Research and Education Center, Institute of Food and Agricultural Sciences, University of Florida, Fort Pierce, FL, United States of America
| | - Andy Ogram
- Dept. of Soil, Water, and Ecosystem Sciences, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL, United States of America
| | - Peter J Stofella
- Dept. of Horticultural Sciences, Indian River Research and Education Center, Institute of Food and Agricultural Sciences, University of Florida, Fort Pierce, FL, United States of America
| | - Zhenli He
- Dept. of Soil, Water, and Ecosystem Sciences, Indian River Research and Education Center, Institute of Food and Agricultural Sciences, University of Florida, Fort Pierce, FL, United States of America.
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Borgatta J, Shen Y, Tamez C, Green C, Hedlund Orbeck JK, Cahill MS, Protter C, Deng C, Wang Y, Elmer W, White JC, Hamers RJ. Influence of CuO Nanoparticle Aspect Ratio and Surface Charge on Disease Suppression in Tomato ( Solanum lycopersicum). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:9644-9655. [PMID: 37321591 PMCID: PMC10312190 DOI: 10.1021/acs.jafc.2c09153] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 04/28/2023] [Accepted: 05/02/2023] [Indexed: 06/17/2023]
Abstract
Nanoparticles (NPs) have been shown to deliver micronutrients to plants to improve health, increase biomass, and suppress disease. Nanoscale properties such as morphology, size, composition, and surface chemistry have all been shown to impact nanomaterial interactions with plant systems. An organic-ligand-free synthesis method was used to prepare positively charged copper oxide (CuO) nanospikes, negatively charged CuO nanospikes, and negatively charged CuO nanosheets with exposed (001) crystal faces. X-ray photoelectron spectroscopy measurements show that the negative charge correlates to increased surface concentration of O on the NP surface, whereas relatively higher Cu concentrations are observed on the positively charged surfaces. The NPs were then used to treat tomato (Solanum lycopersicum) grown in soil infested with Fusarium oxysporum f. sp. lycopersici under greenhouse conditions. The negatively charged CuO significantly reduced disease progression and increased biomass, while the positively charged NPs and a CuSO4 salt control had little impact on the plants. Self-assembled monolayers were used to mimic the leaf surface to understand the intermolecular interactions between the NPs and the plant leaf; the data demonstrate that NP electrostatics and hydrogen-bonding interactions play an important role in adsorption onto leaf surfaces. These findings have important implications for the tunable design of materials as a strategy for the use of nano-enabled agriculture to increase food production.
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Affiliation(s)
- Jaya Borgatta
- The
NSF Center for Sustainable Nanotechnology, Department of Chemistry, University of Wisconsin, 1101 University Avenue, Madison, Wisconsin 53706, United States
- Connecticut
Agricultural Experiment Station, 123 Huntington Street, New
Haven, Connecticut 06511, United States
| | - Yu Shen
- Connecticut
Agricultural Experiment Station, 123 Huntington Street, New
Haven, Connecticut 06511, United States
| | - Carlos Tamez
- Connecticut
Agricultural Experiment Station, 123 Huntington Street, New
Haven, Connecticut 06511, United States
| | - Curtis Green
- The
NSF Center for Sustainable Nanotechnology, Department of Chemistry, University of Wisconsin, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Jenny K. Hedlund Orbeck
- The
NSF Center for Sustainable Nanotechnology, Department of Chemistry, University of Wisconsin, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Meghan S. Cahill
- Connecticut
Agricultural Experiment Station, 123 Huntington Street, New
Haven, Connecticut 06511, United States
| | - Connor Protter
- The
NSF Center for Sustainable Nanotechnology, Department of Chemistry, University of Wisconsin, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Chaoyi Deng
- The
NSF Center for Sustainable Nanotechnology, Department of Chemistry, University of Wisconsin, 1101 University Avenue, Madison, Wisconsin 53706, United States
- Connecticut
Agricultural Experiment Station, 123 Huntington Street, New
Haven, Connecticut 06511, United States
| | - Yi Wang
- Connecticut
Agricultural Experiment Station, 123 Huntington Street, New
Haven, Connecticut 06511, United States
| | - Wade Elmer
- Connecticut
Agricultural Experiment Station, 123 Huntington Street, New
Haven, Connecticut 06511, United States
| | - Jason C. White
- Connecticut
Agricultural Experiment Station, 123 Huntington Street, New
Haven, Connecticut 06511, United States
| | - Robert J. Hamers
- The
NSF Center for Sustainable Nanotechnology, Department of Chemistry, University of Wisconsin, 1101 University Avenue, Madison, Wisconsin 53706, United States
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Shantharaj D, Naranjo E, Merfa MV, Cobine PA, Santra S, De La Fuente L. Zinc Oxide-Based Nanoformulation Zinkicide Mitigates the Xylem-Limited Pathogen Xylella fastidiosa in Tobacco and Southern Highbush Blueberry. PLANT DISEASE 2023; 107:1096-1106. [PMID: 36109877 DOI: 10.1094/pdis-01-22-0246-re] [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: 06/15/2023]
Abstract
The xylem-limited pathogen Xylella fastidiosa causes severe economic losses worldwide, and no effective antimicrobial disease management options are available. The goal of this study was to evaluate the efficacy of a novel ZnO-based nanoparticle formulation, Zinkicide TMN110 (ZnK), against X. fastidiosa in vitro and in planta. In vitro, minimum bactericidal concentration (MBC) of ZnK analyzed in Pierce's Disease 2 medium was estimated at approximately 60 ppm. Time-kill kinetics assay showed a 100% reduction of culturable X. fastidiosa in less than 1 h after ZnK treatment. Microfluidic chambers assays showed that ZnK also inhibits X. fastidiosa cell aggregation and growth under flow conditions. Phytotoxicity assessments in the greenhouse demonstrated that ZnK can be applied as a soil drench in 50 ml at 500 ppm/plant/week up to four times to tobacco and blueberry without causing visible damage. ZnK was also evaluated for disease control in the greenhouse using tobacco infected with X. fastidiosa subsp. fastidiosa strain TemeculaL. ZnK soil drench weekly applications at concentrations of 500 followed by 1,000 ppm (500/1,000) and 500/500/1,000 ppm (in 50 ml each), reduced X. fastidiosa populations by >2 to 3 log10 units and disease severity by approximately 57 and 76%, respectively, compared with the untreated control. Similarly, when blueberry plants infected with X. fastidiosa subsp. multiplex strain AlmaEm3 were soil drenched with ZnK at concentrations 1,000/1,000 ppm and 1,000/1,000/500 ppm (in 200 ml each), the bacterial population was reduced by approximately 1 to 2 log10 units, and disease severity decreased by approximately 39 and 43%, respectively. Overall, this study shows antibacterial activity of ZnK against X. fastidiosa and its effectiveness in plants to reduce disease symptoms under controlled conditions.
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Affiliation(s)
- Deepak Shantharaj
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL
| | - Eber Naranjo
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL
| | - Marcus V Merfa
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL
| | - Paul A Cobine
- Department of Biological Sciences, Auburn University, Auburn, AL
| | - Swadeshmukul Santra
- NanoScience Technology Center, Department of Chemistry, Department of Materials Science and Engineering and Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL
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Kanakari E, Dendrinou-Samara C. Fighting Phytopathogens with Engineered Inorganic-Based Nanoparticles. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2388. [PMID: 36984268 PMCID: PMC10052108 DOI: 10.3390/ma16062388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/07/2023] [Accepted: 03/13/2023] [Indexed: 06/18/2023]
Abstract
The development of effective and ecofriendly agrochemicals, including bactericides, fungicides, insecticides, and nematicides, to control pests and prevent plant diseases remains a key challenge. Nanotechnology has provided opportunities for the use of nanomaterials as components in the development of anti-phytopathogenic agents. Indeed, inorganic-based nanoparticles (INPs) are among the promising ones. They may play an effective role in targeting and killing microbes via diverse mechanisms, such as deposition on the microbe surface, destabilization of cell walls and membranes by released metal ions, and the induction of a toxic mechanism mediated by the production of reactive oxygen species. Considering the lack of new agrochemicals with novel mechanisms of action, it is of particular interest to determine and precisely depict which types of INPs are able to induce antimicrobial activity with no phytotoxicity effects, and which microbe species are affected. Therefore, this review aims to provide an update on the latest advances in research focusing on the study of several types of engineered INPs, that are well characterized (size, shape, composition, and surface features) and show promising reactivity against assorted species (bacteria, fungus, virus). Since effective strategies for plant protection and plant disease management are urgently needed, INPs can be an excellent alternative to chemical agrochemical agents as indicated by the present studies.
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Smith SL, Campos MGN, Ozcan A, Mendis HC, Young M, Myers ME, Atilola M, Doomra M, Thwin Z, Johnson EG, Santra S. Multifunctional Surface, Subsurface, and Systemic Therapeutic (MS3T) Formulation for the Control of Citrus Canker. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:10807-10818. [PMID: 34505777 DOI: 10.1021/acs.jafc.1c03323] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
A multifunctional surface, subsurface and systemic therapeutic (MS3T) formulation comprised of two bactericides, both didecyldimethylammonium chloride (DDAC) and a zinc (Zn)-chelate, was developed as an alternative to copper pesticides for crop protection. Agricultural grade chemicals were used to prepare MS3T formulations. Minimal inhibitory concentration (MIC) was determined to be tested in vitro against Xanthomonas alfalfae subsp. citrumelonis (herein called Xa), Escherichia coli (E. coli), and Pseudomonas syringae (Ps). Assessment of the phytotoxic potential was carried out on tomato under greenhouse conditions. Moreover, field trials were conducted during three consecutive years on grapefruit (Chrysopelea paradise) groves to evaluate efficacy against citrus canker (Xanthomonas citri subsp. citri), scab (Elsinoe fawcetti), and melanose (Diaporthe citri). In addition to disease control, improvements to both fruit yield and quality were observed likely due to the nutritional activity of MS3T via the sustained release of plant nutrients (Zn and nitrogen). Zn residues of leaf tissues were analyzed via atomic absorption spectroscopy (AAS) at various time points before and after MS3T foliar applications throughout the duration of the 2018 field trial. Field trial results demonstrated MS3T to be an effective alternative to copper (Cu)-based formulations for the control of citrus canker.
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Affiliation(s)
| | | | | | | | | | - Monty E Myers
- Indian River Research and Education Center, University of Florida, 2199 South Rock Road, Fort Pierce, Florida 34945, United States
| | | | | | | | - Evan G Johnson
- Citrus Research and Education Center, University of Florida, 700 Experiment Station Road, Lake Alfred, Florida 33850, United States
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Schiavi D, Balbi R, Giovagnoli S, Camaioni E, Botticella E, Sestili F, Balestra GM. A Green Nanostructured Pesticide to Control Tomato Bacterial Speck Disease. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1852. [PMID: 34361238 PMCID: PMC8308196 DOI: 10.3390/nano11071852] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/05/2021] [Accepted: 07/15/2021] [Indexed: 02/06/2023]
Abstract
Bacterial speck disease, caused by Pseudomonas syringae pv. tomato (Pst), is one of the most pervasive biological adversities in tomato cultivation, in both industrial and in table varieties. In this work synthesis, biochemical and antibacterial properties of a novel organic nanostructured pesticide composed of chitosan hydrochloride (CH) as active ingredient, cellulose nanocrystals (CNC) as nanocarriers and starch as excipient were evaluated. In order to study the possibility of delivering CH, the effects of two different types of starches, extracted from a high amylose bread wheat (high amylose starch-HA Starch) and from a control genotype (standard starch-St Starch), were investigated. Nanostructured microparticles (NMP) were obtained through the spray-drying technique, revealing a CH loading capacity proximal to 50%, with a CH release of 30% for CH-CNC-St Starch NMP and 50% for CH-CNC-HA Starch NMP after 24 h. Both NMP were able to inhibit bacterial growth in vitro when used at 1% w/v. Moreover, no negative effects on vegetative growth were recorded when NMP were foliar applied on tomato plants. Proposed nanostructured pesticides showed the capability of diminishing Pst epiphytical survival during time, decreasing disease incidence and severity (from 45% to 49%), with results comparable to one of the most used cupric salt (hydroxide), pointing out the potential use of CH-CNC-Starch NMP as a sustainable and innovative ally in Pst control strategies.
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Affiliation(s)
- Daniele Schiavi
- Department of Agricultural and Forestry Sciences (DAFNE), University of Tuscia, Via San Camillo de Lellis snc, 01100 Viterbo, Italy; (E.B.); (F.S.)
| | - Rosa Balbi
- Department of Pharmaceutical Sciences (DSF), University of Perugia, Via del Liceo 1, 06123 Perugia, Italy; (R.B.); (S.G.); (E.C.)
| | - Stefano Giovagnoli
- Department of Pharmaceutical Sciences (DSF), University of Perugia, Via del Liceo 1, 06123 Perugia, Italy; (R.B.); (S.G.); (E.C.)
| | - Emidio Camaioni
- Department of Pharmaceutical Sciences (DSF), University of Perugia, Via del Liceo 1, 06123 Perugia, Italy; (R.B.); (S.G.); (E.C.)
| | - Ermelinda Botticella
- Department of Agricultural and Forestry Sciences (DAFNE), University of Tuscia, Via San Camillo de Lellis snc, 01100 Viterbo, Italy; (E.B.); (F.S.)
- CNR-Institute of Sciences of Food Production (ISPA), Unit of Lecce, Via Provinciale Lecce-Monteroni, 73100 Lecce, Italy
| | - Francesco Sestili
- Department of Agricultural and Forestry Sciences (DAFNE), University of Tuscia, Via San Camillo de Lellis snc, 01100 Viterbo, Italy; (E.B.); (F.S.)
| | - Giorgio Mariano Balestra
- Department of Agricultural and Forestry Sciences (DAFNE), University of Tuscia, Via San Camillo de Lellis snc, 01100 Viterbo, Italy; (E.B.); (F.S.)
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