Table 4.
Percentage (%) of increase or decrease in stomatal traits (stomatal density, stomatal area, epidermal cell density, epidermal cell area, aperture length, and aperture width) from low (0.9 kPa) to high (3.3 kPa) VPD conditions of all the five cotton genotypes acclimated to low and high VPD environments.
| Genotype | Stomatal density (%) |
Stomatal area (%) |
Epidermal cell density (%) |
Epidermal cell area (%) |
Aperture length (%) |
Aperture width (%) |
|---|---|---|---|---|---|---|
| Adaxial leaf surface | ||||||
| OL220 | 71.3 b | –32.0 b | –29.2 c | 25.3 b | –46.1 d | 19.3 b |
| LKT 57 | 78.1 b | –33.3 b | –17.6 d | 51.1 a | –48.8 d | 19.6 b |
| 06-46-153P | 100 a | –21.6 a | 8.88 b | –43.5 e | –38.1 c | 29.5 a |
| CS 50 | 8.52 c | –19.3 a | 15.1 a | –33.9 d | –17.7 a | 28.4 a |
| Siokra L23 | 113 a | –16.9 a | 6.84 b | –18.4 c | –23.5 b | 28.9 a |
| LSD | 23.5 | 3.63 | 3.86 | 4.04 | 4.04 | 3.84 |
| P | 0.004 | 0.001 | 0.001 | 0.001 | 0.0001 | 0.001 |
| Abaxial leaf surface | ||||||
| OL220 | 36.7 ab | 7.15 d | 2.85 d | 64.4 a | 26.9 a | –33.9 c |
| LKT 57 | 42.8 a | 9.69 d | 30.9 b | 25.5 b | 17.7 b | –15.7 b |
| 06-46-153P | 40.5 ab | 22.1 c | 12.5 c | –20.1 d | 6.89 c | –44.2 d |
| CS 50 | 4.23 c | 47.5 a | 44.1 a | –21.4 d | 7.45 c | –44.8 d |
| Siokra L23 | 33.5 b | 39.9 b | 1.25 d | –11.4 c | 7.18 c | –2.91 a |
| LSD | 4.59 | 3.63 | 2.77 | 3.48 | 3.63 | 3.35 |
| P | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 |
Values denited with similar alphabets are not significantly different based on Tukeys Kramer test. LSD (Least significant difference) and P values were calculated for each parameter based on Tukeys Kramer test.