Blumeria hordei affects volatile emission of susceptible and resistant barley plants and modifies the defense response of recipient plants.

ABSTRACT: The barley powdery mildew disease caused by the biotrophic fungus Blumeria hordei (Bh) poses enormous risks to crop production due to yield and quality losses. Plants and fungi can produce and release volatile organic compounds (VOCs) that serve as signals in plant communication and defense response to protect themselves. The present study aims to identify VOCs released by barley (Hordeum vulgare) during Bh-infection and to decipher VOC-induced disease resistance in receiver plants. VOC profiles of susceptible MLO wild type (MLO WT) and a resistant near-isogenic backcross line (mlo5) were characterized over time (one day or three days after Bh inoculation) using TD-GC/MS. Comparative analysis revealed genotype-dependent VOC profiles and significant differences in emission rates for β-caryo

SUBMITTER: Laupheimer S 

PROVIDER: S-EPMC11626344 | biostudies-literature | 2024 Nov-Dec

REPOSITORIES: biostudies-literature