Abstract:Background:Brace roots are an important part of the maize root system. Among brace root traits, brace root angle (BRA) and brace root diameter (BRD) are important components that affect plant growth and development. However, there are no reports on the genetic basis of maize BRA and BRD. Results:Here, a genome-wide association study (GWAS) was conducted using 508 associated populations with extensive natural variation. The broad heritability of BRA and BRD reached 0.91 and 0.82, respectively. The analysis of d… Show more
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