The genetic basis of drought tolerance in the high oil crop Sesamum indicum.

ABSTRACT: Unlike most of the important food crops, sesame can survive drought but severe and repeated drought episodes, especially occurring during the reproductive stage, significantly curtail the productivity of this high oil crop. Genome-wide association study was conducted for traits related to drought tolerance using 400 diverse sesame accessions, including landraces and modern cultivars. Ten stable QTLs explaining more than 40% of the phenotypic variation and located on four linkage groups were significantly associated with drought tolerance related traits. Accessions from the tropical area harboured higher numbers of drought tolerance alleles at the peak loci and were found to be more tolerant than those from the northern area, indicating a long-term genetic adaptation to drought-prone enviro

SUBMITTER: Dossa K 

PROVIDER: S-EPMC6686131 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature