Identification and validation of the superior alleles for wheat kernel traits detected by genome-wide association study under different nitrogen environments

Increasing kernel weight is a major driven force for high yield breeding. Dissecting the genetic basis of kernel traits and their response to nitrogen are essential for improving wheat yield and nitrogen use efficiency (NUE). In this study, genome-wide association studies were carried out based on Wheat55K SNP array genotyping data of 132 common wheat accessions. And phenotype values of four kernel traits were acquired from eight environments...