Identification of genomic regions associated with partial resistance to Aphanomyces root rot in pea.

ABSTRACT: Root rot caused by Aphanomyces euteiches is a major concern in pea (Pisum sativum L.). The lack of other effective control strategies makes crucial the development of resistant varieties. Although partial resistance has been reported, its quantitative inheritance, the association of resistance-linked genomic regions with unfavorable agronomic traits, and the limited understanding of soil pathogen populations hinder its progress in breeding programs. To search for alternative genomic regions associated with this partial resistance, a genome-wide association study (GWAS) was performed on a pea collection not yet explored for A. euteiches resistance in genetic studies. The 323 accessions of the collection were inoculated with RB84 isolate, and foliar and root symptoms were assessed 20 days af

SUBMITTER: Rodriguez-Mena S 

PROVIDER: S-EPMC12666727 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature