Enhancing plant defense using rhizobacteria in processing tomatoes: a bioprospecting approach to overcoming Early Blight and Alternaria toxins
نویسندگان
چکیده
Plant growth-promoting rhizobacteria (PGPR) with antagonistic activity toward plant pathogenic fungi are valuable candidates for the development of novel protection products based on biocontrol activity. The very first step in formulation such is to screen potential effectiveness selected microorganism(s). In this study, non-pathogenic were isolated from rhizosphere tomato plants and evaluated their against three species mycotoxin-producing Alternaria . assessment involved investigating both fungal biomass toxin reduction. A ranking system developed allowed identification 12 best-performing strains among initial 85 isolates. Several showed a significant reduction (up 76%) and/or mycotoxin production 99.7%). Moreover, same isolates also demonstrated (PGP) traits as siderophore or IAA production, inorganic phosphate solubilization, nitrogen fixation, confirming multifaceted properties PGPRs. Bacillus species, particularly B. amyloliquefaciens two subtilis , highest efficacy reducing effective lowering production. Isolates Enterobacter ludwigii, asburiae, Serratia nematodiphila, Pantoea agglomerans Kosakonia cowanii moderate efficacy. Results suggest that by leveraging diverse capabilities different microbial strains, consortium-based approach would provide broader spectrum effectiveness, thereby signaling more encouraging resolution sustainable agriculture addressing nature crop-related biotic challenges.
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ژورنال
عنوان ژورنال: Frontiers in Microbiology
سال: 2023
ISSN: ['1664-302X']
DOI: https://doi.org/10.3389/fmicb.2023.1221633