Endophytic Bacillus velezensis BDKishJoy 6B promotes rice growth and enhances resistance to Magnaporthe oryzae.

ABSTRACT: Rice blast, caused by Magnaporthe oryzae, is a persistent threat to rice production in Bangladesh, particularly in the haor (wet-land basin) region, where up to 80% yield loss occurs annually. This study aimed to explore the potential of an endophytic bacterium, Bacillus velezensis BDKishJoy-6B, for promoting growth and enhancing blast tolerance in rice cultivars commonly grown in this vulnerable agro-ecosystem. Fifteen isolates of P. oryzae were collected from haor regions and characterized morphologically and for pathogenicity. The most virulent isolate, KSH01 (GenBank: PQ269871.1), was selected for pathogenicity assays. Antagonistic endophytic bacteria were isolated from rice roots and screened for plant growth-promoting traits. The most effective isolate, BDKishJoy-6B, was identified a

SUBMITTER: Akter S 

PROVIDER: S-EPMC12753799 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature