Association genetics and genomic prediction for resistance to root rot in a diverse collection of Pisum sativum L.

ABSTRACT:

Background

Root rot is one of the most threatening diseases to pea production. Root rot is caused by several interacting soil-borne pathogens which makes it challenging to manage. Breeding for resistance is a promising approach for sustainable pea production. While quantitative trait loci (QTL) for resistance against individual pathogens have been identified, the genetic basis underlying resistance against the pathogen complex is poorly understood.

Results

Using a previously described diverse panel of 254 pea genotypes and 18k single nucleotide polymorphism (SNP) markers, we identified a novel QTL for resistance to root rot on chromosome chr6LG2. This QTL co-locates with a mitochondrial Rho GTPase and an F-box gene model, which are promising candidates for disease control. A

SUBMITTER: Ariza-Suarez D 

PROVIDER: S-EPMC12831431 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature