FW) in soybean at the R0 stage. The horizontal blue line indicates the genome-wide significance threshold (−log~00~(*P*) \> 0.00). a, b and c represent 0000, 0000 and the means across the two years, respectively. (TIF 0000 kb) Additional file 0:**Figure S0.** Manhattan and quantile--quantile (QQ) plots of GWAS for 