Genome-wide association mapping in safflower (Carthamus tinctorius L.) for genetic dissection of drought tolerance using DArTseq markers.

ABSTRACT: Understanding the genetic basis of drought tolerance in safflower (Carthamus tinctorius L.) is essential for developing resilient varieties. In this study, we performed a genome-wide association study (GWAS) using DArTseq markers to identify marker-trait associations (MTAs) linked to drought tolerance across 90 globally diverse safflower genotypes. These genotypes were evaluated under both rainfed (drought) and irrigated conditions over three consecutive years (2016-2018). Significant variation in seed yield and morphological traits was observed between genotypes and across environments, with notably reduced performance under rainfed conditions. A total of 66 MTAs were identified for key agronomic traits, including seed yield, 1000-seed weight, number of heads per plant, and days to maturi

SUBMITTER: Hassani SMR 

PROVIDER: S-EPMC11682058 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature