The Biological Product Agricultural Jiaosu Enhances Tomato Resistance to <i>Botrytis cinerea</i>.

ABSTRACT: Gray mold caused by Botrytis cinerea poses a major threat to tomato production worldwide. This study investigated the antifungal efficacy and defense-inducing potential of Agricultural Jiaosu (AJ), a fermented bioproduct derived from agricultural residues. In vitro, AJ exhibited strong inhibitory activity against B. cinerea (IC₅₀ = 3.9%), primarily through acidic metabolites (pH < 4.2) that disrupted fungal membranes and suppressed antioxidant enzymes, while later-stage inhibition was maintained by Acetobacter populations (6.7 × 10⁷ copies μL^-1) through competition for nutrients. In vivo, foliar application of 0.5% AJ significantly promoted tomato growth and enhanced resistance by stimulating antioxidant (SOD, CAT, POD) and defense-rela

SUBMITTER: Lu X 

PROVIDER: S-EPMC12734138 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature