Identification and validation of QTL for grain yield and plant water status under contrasting water treatments in fall-sown spring wheats.

ABSTRACT:

Key message

Chromosome regions affecting grain yield, grain yield components and plant water status were identified and validated in fall-sown spring wheats grown under full and limited irrigation. Increases in wheat production are required to feed a growing human population. To understand the genetic basis of grain yield in fall-sown spring wheats, we performed a genome-wide association study (GWAS) including 262 photoperiod-insensitive spring wheat accessions grown under full and limited irrigation treatments. Analysis of molecular variance showed that 4.1% of the total variation in the panel was partitioned among accessions originally developed under fall-sowing or spring-sowing conditions, 11.7% among breeding programs within sowing times and 84.2% among accessions within breed

SUBMITTER: Zhang J 

PROVIDER: S-EPMC6061171 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature