Table 3 Leaf area (cm²) and leaf dry weight (g) and standard deviation (SD) of cotton cultivars from Experiment 1: (38 °C, vapor pressure deficit (VPD) > 3 kPa) and Experiment 2: (32 °C, VPD = 1∼1.5 kPa) in controlled environments

Experiment 1

ST 6182 GLT

556.3 (92.9) a

4.25 (0.24) a

PHY 340 W3FE

565.8 (21.5) a

4.22 (0.17) ab

ST 4949 GLT

499.2 (36.4) ab

3.49 (0.15) c

PHY 330 W3FE

491.4 (38.5) ab

3.89 (0.30) abc

PHY 490 W3FE

470.8 (57.9) ab

3.94 (0.44) abc

Arkot 9704

496.0 (46.6) ab

3.57 (0.27) bc

Arkot 0705

440.2 (31.7) b

3.37 (0.14) c

DP 1612 B2XF

435.4 (19.7) b

3.77 (0.32) abc

DP 393

421.3 (26.8) b

3.56 (0.26) bc

UA 107

412.8 (24.3) b

3.49 (0.31) c

Experiment 2

PHY 490 W3FE

304.6 (44.2) a

2.67 (0.62) a

ST 6182 GLT

277.0 (34.9) a

2.57 (0.15) a

PHY 340 W3FE

275.5 (19.9) a

2.47 (0.30) a

Arkot 9704

145.5 (61.1) b

1.17 (0.56) b

Arkot 0705

141.9 (32.8) b

0.95 (0.13) b

ST 4949 GLT

139.1 (25.5) b

0.92 (0.09) b

UA 107

133.1 (47.4) b

0.92 (0.35) b

DP 393

125.6 (31.8) b

0.82 (0.25) b

DP 1612 B2XF

113.7 (22.6) b

0.87 (0.25) b

PHY 330 W3FE

104.7 (43.5) b

0.70 (0.036) b