Table 5 Impact of reduced irrigation and potassium levels on bolls per plant and boll weight in two cotton growing seasons 2018 and 2019
Cultivars | Bolls per plant | Boll weight /(g·plant−1) | ||||||
|---|---|---|---|---|---|---|---|---|
Reduced irrigation | Normal irrigation | Reduced irrigation | Normal irrigation | |||||
K level (0 kg·ha−1) | K level (50 kg·ha−1) | K level (0 kg·ha−1) | K level (50 kg·ha−1) | K level (0 kg·ha−1) | K level (50 kg·ha−1) | K level (0 kg·ha−1) | K level (50 kg·ha−1) | |
Cotton growing season (2018) | ||||||||
 BH-212 | 15.0 ± 2.04a | 19.0 ± 2.48a | 18.0 ± 2.97a | 20.0 ± 4.6a | 1.98 ± 0.07a | 2.04 ± 0.10a | 2.12 ± 0.08a | 2.16 ± 0.18a |
 IUB-2013 | 18.0 ± 2.97ab | 23.0 ± 2.97ab | 20.0 ± 2.2ab | 24.0 ± 2.48ab | 2.06 ± 0.04a | 2.16 ± 0.08a | 2.18 ± 0.06ab | 2.21 ± 0.17ab |
 CIM-554 | 20.0 ± 2.2ab | 25.0 ± 2.04ab | 22.0 ± 2.48ab | 28.0 ± 1.65b | 2.17 ± 0.09ab | 2.29 ± 0.07b | 2.29 ± 0.05b | 2.39 ± 0.03b |
 CYTO-124 | 22.0 ± 2.45b | 27.0 ± 3.49b | 24.0 ± 2.48b | 30.0 ± 1.83b | 2.21 ± 0.08b | 2.37 ± 0.11b | 2.31 ± 0.07b | 2.48 ± 0.14b |
 FH-142 | 22.0 ± 2.45b | 27.0 ± 3.49b | 24.0 ± 5.1b | 30.0 ± 2.04b | 2.18 ± 0.09b | 2.23 ± 0.11ab | 2.29 ± 0.07b | 2.36 ± 0.09ab |
Cotton growing season (2019) | ||||||||
 BH-212 | 14.2 ± 2.3a | 15.0 ± 1.8a | 16.0 ± 2.5a | 17.7 ± 2.66a | 1.97 ± 0.07a | 2.03 ± 0.09a | 2.10 ± 0.08a | 2.14 ± 0.18a |
 IUB-2013 | 15.2 ± 1.3a | 18.3 ± 0.85ab | 18.0 ± 1.6ab | 21.0 ± 1.87ab | 2.05 ± 0.04a | 2.17 ± 0.09a | 2.17 ± 0.06ab | 2.21 ± 0.17ab |
 CIM-554 | 17.7 ± 1.8ab | 18.0 ± 1.47ab | 19.0 ± 2.1b | 21.7 ± 1.87ab | 2.16 ± 0.09ab | 2.32 ± 0.07ab | 2.28 ± 0.05ab | 2.46 ± 0.14b |
 CYTO-124 | 16.0 ± 0.8ab | 18.7 ± 1.3ab | 20.0 ± 1.6b | 24.0 ± 1.41b | 2.20 ± 0.09b | 2.43 ± 0.08b | 2.32 ± 0.05ab | 2.46 ± 0.14b |
 FH-142 | 19.0 ± 1.3b | 20.0 ± 1.1b | 20.0 ± 1.7b | 25.0 ± 1.96b | 2.17 ± 0.08ab | 2.25 ± 0.11ab | 2.35 ± 0.06b | 2.37 ± 0.09ab |