Identification of putative markers linked to grain plumpness in rice (Oryza sativa L.) via association mapping.

ABSTRACT:

Background

Poor grain plumpness (GP) is one of the main constraints to reaching the yield potential of hybrid rice.

Results

In this study, the GP of 177 rice varieties was investigated in three locations across 2 years. By combining the genotype data of 261 simple sequence repeat (SSR) markers, association mapping was conducted to identify the marker-GP association loci. Among 31 marker-GP association loci detected in two or more environments and determined using general linear model (GLM) analyses, seven association loci were also detected using mixed linear model (MLM) analyses. The seven common loci detected by the two analytical methods were located on chromosomes 2, 3 (2), 7, 8 and 12 (2) and explained 7.24~22.28% of the variance. Of these 7 association loci, five marke

SUBMITTER: Liu E 

PROVIDER: S-EPMC5639755 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature