Table 3.
Effect of, and interactions between, genotype and foliar treatment (RS, Sulphur) on nitrogen content (%), leaf chlorophyll content (SPAD values), number (No) of leaves and plants height (means ± SE) of squash plants (2-factor ANOVA).
| Factor | N-content (%) | Leaf Chlorophyll (SPAD values) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 34 d after transplant | 62 d after transplant | 24 d after transplant | 38 d after transplant | 53 d after transplant | 82 d after transplant | Total No of Leaves | Plant Height (cm) | ||
| Genotype | |||||||||
| (n=48) | IR | 5.20 ± 0.11 | 3.77 ± 0.12 | 36.9 ± 0.4 | 39.09 ± 0.50 | 36.89 ± 0.64 | 28.49 ± 0.70 | 20.27 ± 0.17 | 37.63 ± 0.92 |
| S | 5.49 ± 0.09 | 3.85 ± 0.13 | 34.1 ± 0.4 | 38.90 ± 0.48 | 36.60 ± 0.63 | 28.52 ± 0.95 | 21.35 ± 0.23 | 45.93 ± 0.91 | |
| Foliar Treatment | |||||||||
| (n=24) | 1. RS (0.3 ml l−1) | 5.26 ± 0.16 | 3.73 ± 0.18 | 36.95 ± 0.53 a | 40.04 ± 0.76 | 37.23 ± 0.93 | 31.48 ± 1.36 a | 20.71 ± 0.27 | 41.35 ± 1.17 |
| 2. RS (0.15 ml l−1) | 5.40 ± 0.13 | 3.63 ± 0.17 | 35.88 ± 0.53 ab | 37.92 ± 0.60 | 37.80 ± 0.94 | 28.03 ± 1.34 b | 20.25 ± 0.31 | 42.29 ± 1.41 | |
| 3. Control (water) | 5.39 ± 0.15 | 3.95 ± 0.13 | 34.42 ± 0.69 b | 39.55 ± 0.71 | 35.01 ± 0.89 | 26.59 ± 0.97 b | 21.21 ± 0.32 | 41.56 ± 1.73 | |
| 4. Sulphur (2 g l−1) | 5.33 ± 0.14 | 3.91 ± 0.21 | 34.68 ± 0.64 b | 38.49 ± 0.64 | 36.95 ± 0.74 | 27.86 ± 0.72 b | 21.08 ± 0.29 | 41.90 ± 1.86 | |
| ANOVA results | |||||||||
| Main effects | |||||||||
| Genotype | * | NS | *** | NS | NS | NS | *** | *** | |
| Foliar Treatment | NS | NS | ** | NS | T | * | T | NS | |
| Interactions | |||||||||
| Genotype x Foliar Treatment | NS | * | * | NS | NS | T | NS | NS | |
Within each column, means followed by the same letter are not significantly different (GLHT test; P < 0.05); NS, not significant; T P < 0.1; *P < 0.05; **P < 0.01; ***P < 0.001.