Fig. 2
The biplot of the relationship between 12 agronomic traits and 25 cotton cultivars. The serial number of cotton cultivars are listed in Table S1. RDW, root dry weight; SDW, shoot dry weight; RSR, root-to-shoot ratio; PAR, P accumulation in root; PAS, P accumulation in shoot; PUER, P utilization efficiency in root; PUES, P utilization efficiency in root; PH, plant height; NL, the number of leaf plant−1; LA, leaf area; SPAD, SPAD value; Pn, net photosynthetic rate