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- Characterization and bioefficacy of green nanosilver particles derived from fungicide-tolerant Tricho-fusant for efficient biocontrol of stem rot (Sclerotium rolfsii Sacc.) in groundnut (Arachis hypogaea L.)
- Darshna G. Hirpara , Harsukh P. Gajera , Disha D. Savaliya , Rushita V. Bhadani
- J. Microbiol. 2021;59(11):1031-1043. Published online October 6, 2021
- DOI: https://doi.org/10.1007/s12275-021-1344-9
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- 8 Web of Science
- 7 Crossref
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Abstract
- An efficient and eco-friendly bioefficacy of potent Trichofusant (Fu21) and its green nanosilver formulation against stem rot (Sclerotium rolfsii) in groundnut was established. Fu21 demonstrated higher in-vitro growth inhibition of pathogen with better fungicide tolerance than the parental strains. The green nanosilver particles were synthesized from the extracellular metabolites of Fu21 and characterized for shape (spherical, 59.34 nm in scanning electron microscope), purity (3.00 KeV, energy dispersive X-ray analysis), size (54.3 nm in particle size analyzer), and stability (53.7 mv, zeta). The field efficacy study exhibited that the seedling emergence was high in seeds treated with green nanosilver (minimum inhibitory concentration-[MIC] 20 μg Ag/ml), and a low disease severity index of stem rot during the crop growth was followed by the live antagonist (Fu21) in addition to seed treatment with a fungicide mix under pathogen infestation. The seed quality analysis of harvested pods revealed a high oil content with balanced fatty acid composition (3.10 oleic/linoleic acid ratio) in green nanosilver treatment under pathogen infestation. The residual analysis suggested that green nanosilver applied at the MIC level as seed treatment yielded similar effects as the control for silver residue in the harvested groundnut seeds. The green nanosilver at MIC has a high pod-yield under S. rolfsii infestation, demonstrating green chemistry and sustainability of the nanoproduct.
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Citations
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M. N. Ashwini, H. P. Gajera, Darshna G. Hirpara, Disha D. Savaliya, U. K. Kandoliya
Journal of Nanoparticle Research.2024;[Epub] CrossRef - Biotechnological trends and optimization of Arachis hypogaea residues valorization: A bibliometric analysis and comprehensive review
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Bioresource Technology.2024; 414: 131585. CrossRef - Intracellular metabolomics and microRNAomics unveil new insight into the regulatory network for potential biocontrol mechanism of stress‐tolerant Tricho‐fusants interacting with phytopathogen Sclerotium rolfsii Sacc
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Functional Plant Biology.2023; 50(9): 736. CrossRef
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