Identification of Causal Agent Inciting Powdery Mildew on Common Bean and Screening of Resistance Cultivars.

ABSTRACT: Powdery mildew is one of the severe diseases on common bean in Southwestern China, but the identity of the pathogen inciting this disease is unclear. The objective of this study was to identify the causal agent of common bean powdery mildew and to screen resistant cultivars. The pathogen was identified through morphological identification, molecular phylogenetic analysis, and pathogenicity tests. Resistance of common bean cultivars was evaluated by artificial inoculation at the seedling stage. The common bean powdery mildew isolate CBPM1 was obtained after pathogen isolation and purification. Morphological identification confirmed that the isolate CBPM1 belonged to the Oidium subgenus Pseudoidium and germinated Pseudoidium-type germ tubes. Molecular phylogenetic analysis showed that the is

SUBMITTER: Deng D 

PROVIDER: S-EPMC9003302 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature