Table 5.
Effect of Egyptian clover cultivars and dodder control treatments on fresh and dry weights of clover in the 2021/22 and 2022/23 seasons.
| Varieties/treatments | Rate fed−1 | Fresh and dry weights of clover (ton fed−1) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| First cut | Second cut | Third cut | Fourth cut | ||||||
| FW | DW | FW | DW | FW | DW | FW | DW | ||
| 2021/2022 Season | |||||||||
| Gemmiza 1 | 7.20b | 1.24ab | 11.42b | 1.78b | 11.02b | 1.77b | 10.95b | 1.74b | |
| Helali | 7.54a | 1.31a | 11.53a | 1.88a | 11.56a | 1.87a | 11.63a | 1.84a | |
| Giza 6 | 6.82c | 1.20b | 10.84c | 1.77b | 10.85b | 1.74b | 10.72b | 1.72c | |
| LSD0.05 | 0.044 | 0.007 | 0.043 | 0.023 | 0.171 | 0.034 | 0.533 | 0.013 | |
| Bioherbicide | 10 kg | 6.41d | 1.15d | 9.96e | 1.67e | 9.05e | 1.53d | 8.47e | 1.40d |
| Bioherbicide | 20 kg | 6.78c | 1.19c | 10.63d | 1.75d | 9.68d | 1.6c | 9.06d | 1.47c |
| Bioherbicide | 30 kg | 6.84c | 1.19c | 10.77d | 1.77c | 9.83d | 1.62c | 9.15d | 1.48c |
| Si-NPs | 14 g | 7.60b | 1.32b | 11.90c | 1.91b | 12.44c | 1.97b | 12.72c | 2.02b |
| Si-NPs | 22 g | 7.64b | 1.33b | 12.17b | 1.95a | 12.77b | 2.01a | 13.01b | 2.05a |
| Si-NPs | 30 g | 7.69b | 1.34b | 12.21b | 1.95a | 12.78b | 2.01a | 13.08b | 2.05a |
| Glyphosate | 33.1 g | 7.66b | 1.33b | 12.17b | 1.94a | 12.74b | 2.01a | 12.99b | 2.05a |
| Infested | 5.64e | 1.01e | 7.76f | 1.44f | 7.68f | 1.37e | 7.57f | 1.30e | |
| Non-infested | 8.44a | 1.37a | 12.66a | 1.95a | 13.31a | 2.02a | 13.83a | 2.08a | |
| LSD0.05 | 0.233 | 0.020 | 0.162 | 0.019 | 0.167 | 0.026 | 0.187 | 0.036 | |
| 2022/2023 Season | |||||||||
| Gemmiza 1 | 6.10b | 1.09b | 9.69b | 1.56b | 9.67b | 1.55b | 9.61b | 1.53b | |
| Helali | 6.39a | 1.15a | 10.12a | 1.65a | 10.15a | 1.64a | 10.21a | 1.61a | |
| Giza 6 | 5.78c | 1.05c | 9.51c | 1.56b | 9.53b | 1.53b | 9.41b | 1.51c | |
| LSD 0.05 | 0.037 | 0.007 | 0.038 | 0.022 | 0.152 | 0.030 | 0.469 | 0.013 | |
| Bioherbicide | 10 kg | 5.45d | 1.01e | 8.77e | 1.47e | 7.97e | 1.35d | 7.46e | 1.23d |
| Bioherbicide | 20 kg | 5.76c | 1.04d | 9.36d | 1.54d | 8.52d | 1.41c | 7.98d | 1.29c |
| Bioherbicide | 30 kg | 5.81c | 1.05d | 9.48d | 1.56c | 8.65d | 1.42c | 8.05d | 1.31c |
| Si-NPs | 14 g | 6.46b | 1.16c | 10.47c | 1.68b | 10.95c | 1.74b | 11.19c | 1.78b |
| Si-NPs | 22 g | 6.50b | 1.17bc | 10.71b | 1.71a | 11.24b | 1.77a | 11.45b | 1.81a |
| Si-NPs | 30 g | 6.54b | 1.18b | 10.75b | 1.71a | 11.24b | 1.77a | 11.51b | 1.81a |
| Glyphosate | 33.1 g | 6.51b | 1.17bc | 10.71b | 1.71a | 11.21b | 1.77a | 11.44b | 1.80a |
| Infested | 4.63e | 0.85f | 6.59f | 1.22f | 6.53d | 1.17e | 6.44f | 1.10e | |
| Non-infested | 7.18a | 1.21a | 11.15a | 1.71a | 11.71a | 1.78a | 12.17a | 1.83a | |
| LSD0.05 | 0.198 | 0.018 | 0.142 | 0.017 | 0.146 | 0.022 | 0.164 | 0.033 | |
FW = Fresh weight, DW = dry weight. Values (means) followed by different letter(s) are significantly different according to LSD at p ≤ 0.05. LSD values are in bold.