Fig. 2

Stable SNPs were repeatedly detected in the two planting densities and the BLUP model, which were associated with six stalk lodging resistance-related traits. The significance threshold is –log10 (P-value) = 4.0. LD represent low plant density, HD represent high plant density, respectively. Purple represents third internodes length, Red represents fourth internode length, Blue represents third internode diameter, Orange represents fourth internode diameter, Yellow represents rind penetrometer resistance and Green represents stalk buckling strength, respectively