Genome-wide association study and selection for field resistance to cassava root rot disease and productive traits.

ABSTRACT: Cassava root rot disease is caused by a complex of soil-borne pathogens and has high economic impacts because it directly affects the tuberous roots, which are the main commercial product. This study aimed to evaluate cassava genotypes for resistance to root rot disease in a field with a previous history of high disease incidence. It also aimed to identify possible genomic regions associated with field resistance based on genome-wide association studies. A total of 148 genotypes from Embrapa Mandioca and Fruticultura were evaluated over two years, including improved materials and curated germplasms. Analysis of phenotypic data was conducted, as well as a genomic association analysis, based on the general linear model, mixed linear model, and fixed and random model circulating probability u

SUBMITTER: Hohenfeld CS 

PROVIDER: S-EPMC9202857 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature