Table 2 Effect of the interaction between irrigation regimes and foliar spraying of chitosan and glycine betaine on seasonal applied water and water use efficiency during the 2020/21 and 2021/22 seasons. Means followed with similar letters within the same column are not different significantly at P < 0.05 level of probability based on LSD test.
From: Effect of water stress and foliar application of chitosan and glycine betaine on lettuce
Treatments | Total applied irrigation water (m3 ha−1) | Water use efficiency (kg m3−1) | |||
|---|---|---|---|---|---|
Irrigation | Foliar spraying | 2020/21 | 2021/22 | 2020/21 | 2021/22 |
Well-watered | Water | 4167.0 a | 4083.7 a | 26.40 f | 25.87 f |
Chitosan | 3819.6 c | 3743.2 c | 29.99 c | 29.39 c | |
Glycine betaine | 4006.5 b | 3926.4 b | 28.26 d | 27.69 d | |
Drought | Water | 2766.3 d | 2710.9 d | 27.08 e | 26.54 e |
Chitosan | 2439.1 f | 2390.3 f | 38.93 a | 38.15 a | |
Glycine betaine | 2663.3 e | 2610.0 e | 33.32 b | 32.66 b | |
LSD at 0.05 | 10.03 | 34.2 | 0.48 | 0.47 | |
