Fig. 2From: Root system architecture of historical spring wheat cultivars is associated with alleles and transcripts of major functional genesPearson’s correlation coefficients describing association of root and yield traits of 58 historical wheat cultivars A) control B) water-limited condition; * Significant (P < 0.05); ** Significant (P < 0.01); *** Significant (P < 0.001). The trait abbreviations are mentioned in Table 2Back to article page