Joint-linkage mapping and GWAS reveal extensive genetic loci that regulate male inflorescence size in maize.

ABSTRACT: Both insufficient and excessive male inflorescence size leads to a reduction in maize yield. Knowledge of the genetic architecture of male inflorescence is essential to achieve the optimum inflorescence size for maize breeding. In this study, we used approximately eight thousand inbreds, including both linkage populations and association populations, to dissect the genetic architecture of male inflorescence. The linkage populations include 25 families developed in the U.S. and 11 families developed in China. Each family contains approximately 200 recombinant inbred lines (RILs). The association populations include approximately 1000 diverse lines from the U.S. and China. All inbreds were genotyped by either sequencing or microarray. Inflorescence size was measured as the tassel primary bra

SUBMITTER: Wu X 

PROVIDER: S-EPMC5066742 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature