Analysis of quantitative trait loci and candidate gene exploration associated with cold tolerance in rice (<i>Oryza sativa</i> L.) during the seedling stage.

ABSTRACT: Cold stress during the seedling stage significantly threatens rice (Oryza sativa L.) production, specifically in temperate climates. This study aimed to identify quantitative trait loci (QTLs) associated with cold tolerance at the seedling stage. QTL analysis was conducted on a doubled haploid (DH) population derived from a cross between the cold-sensitive indica cultivar 93-11 and the cold-tolerant japonica cultivar Milyang352. Phenotypic analysis was conducted over 2 years (2022-2023) under cold water treatment (13°C) at the Chuncheon Substation, South Korea. Cold tolerance scores were used to classify the DH populations and parental lines. In 2022, three QTLs were identified on chromosomes 3, 10, and 11; in 2023, a single QTL was identified on chromosome 10. The QTL

SUBMITTER: Jo S 

PROVIDER: S-EPMC11747135 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature