Treatment | T1 | T2 | T3 | T4 | T5 | T6 | |
---|---|---|---|---|---|---|---|
Leaf area (cm2) | 65.4 ± 11.6a | 56.0 ± 8.66b | 55.0 ± 6.03b | 58.2 ± 14.4c | 78.4 ± 5.92a | 68.3 ± 8.88b | |
Leaf numbers | 3.4 ± 0.61a | 3.5 ± 0.61a | 3.5 ± 0.79a | 4.4 ± 1.07b | 9.1 ± 2.37a | 8.5 ± 2.32a | |
Size of stomatal opening (px) | 27.6 ± 2.88a | 20.9 ± 6.95b | 13.3 ± 3.51c | - | - | - | |
Chlorophyll content (SPAD) | 15.4 ± 2.58a | 16.4 ± 2.17a | 12.9 ± 1.60b | 12.3 ± 3.47b | 25.4 ± 5.63a | 21.2 ± 5.76a | |
Color coefficient of chromameter | L* | 60.2 ± 1.66b | 60.1 ± 1.50b | 62.6 ± 3.12a | 59.5 ± 5.50a | 47.3 ± 6.46b | 55.2 ± 3.62a |
a* | −18.1 ± 11.0a | −18.4 ± 10.9a | −21.8 ± 0.8a | −21.4 ± 0.98a | −19.6 ± 1.67a | −23.7 ± 2.91b | |
b* | 46.7 ± 1.29b | 46.5 ± 1.23b | 49.5 ± 1.88a | 46.3 ± 4.07a | 33.8 ± 7.59b | 43.9 ± 3.41a |