Fig. 5
Relationships among various morphological and physiological traits (green) and fiber quality traits (red). Nodes and edges represent traits and correlation, respectively. Red and blue color edges show positive and negative correlations, respectively. Edges thickness represents the strength of the correlation, where strong positive correlations were highlighted by red (r = 0.99) color and strong negative by green (r =  − 0.95 to − 0.98) color. Root length (RL), root surface area (RSA), root diameter (RD), root volume (RV), the number of leaves per plant (NOL), subtending leaf area per plant (SLA), subtending leaf biomass (SLB), subtending leaf N content (SLN), chlorophyll a (Chla), chlorophyll b (Chlb), carotenoid (CAR), free amino acid (FAA), total soluble protein (TSP), total soluble sugar (TSS), fructose (FRU), sucrose (SUC), sucrose phosphate synthase (SPS), fiber length (FL), fiber uniformity (FU), fiber strength (FS), micronaire (MIC), and fiber elongation (FE)