Fig. 2

Phenotypic analysis of 20-day-old WT and SikCOR413PM1-overexpressing cotton seedlings under cold and drought stress. (A) Phenotype of WT and transgenic (OE-4, OE-5, and OE-7) lines under 4 °C for 24, 48, and 72 h; (B) Phenotype of WT and transgenic (OE-4, OE-5, and OE-7) lines under 20% PGE6000 stress for 10, 15, and 20 d; (C) Survival rate; (D) fresh weight and (E) dry weight of the plants under stress. The data shown are the average of three independent biological replicates. Bars represent standard deviations (SDs). * and ** indicate significant differences relative to the WT plants at P < 0.05 and P < 0.01, respectively. (In the cold and drought treatment figure (Fig. 2A&B), the upper left corner of the pot is the wild type, and the upper right, lower left and lower right corners are transgenic (OE-4, OE-5, and OE-7) lines, respectively)