Table 1.
Effect of WeedLock on physiological processes of test plants.
| Test plants | Treatments | Photosynthesis rate (µmol m-2 s-1) | Stomatal conductance (mol m-2 s-1) | Transpiration rate (mmol m-2 s-1) | FV/FM | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 h | 24 h | 48 h | 72 h | HSD | 3 h | 24 h | 48 h | 72 h | HSD | 3 h | 24 h | 48 h | 72 h | HSD | 3 h | 24 h | 48 h | 72 h | HSD | ||
| A. conyzoides | Untreated | 17.68a | 16.28b | 16.60ab | 16.41b | 1.13 | 0.40a | 0.36a | 0.38a | 0.35a | 0.07 | 7.31a | 6.21b | 7.21ab | 7.10ab | 1.05 | 0.80a | 0.83a | 0.80a | 0.81a | 0.07 |
| WeedLock | 13.42a | 4.09b | 3.62b | 3.60b | 0.86 | 0.31a | 0.11b | 0.13b | 0.10b | 0.04 | 5.58a | 1.41b | 1.56b | 1.52b | 0.36 | 0.57a | 0.20b | 0.17b | 0.18b | 0.08 | |
| E. indica | Untreated | 27.60a | 25.14ab | 26.21ab | 24.73b | 2.80 | 0.27a | 0.25a | 0.26a | 0.24a | 0.04 | 8.55a | 6.81b | 7.36ab | 7.12b | 1.38 | 0.74a | 0.76a | 0.75a | 0.78a | 0.08 |
| WeedLock | 20.42a | 6.79b | 6.61b | 5.98b | 1.37 | 0.21a | 0.12b | 0.11b | 0.10b | 0.03 | 6.30a | 1.68b | 1.79b | 1.69b | 0.91 | 0.53a | 0.20b | 0.18b | 0.17b | 0.08 | |
| Z. mays | Untreated | 16.87a | 14.88a | 14.56a | 16.65a | 2.33 | 0.29a | 0.27ab | 0.23b | 0.28a | 0.04 | 4.65a | 4.24a | 4.17a | 4.45a | 0.60 | 0.77a | 0.81a | 0.77a | 0.79a | 0.07 |
| WeedLock | 13.36a | 4.73b | 4.24b | 4.73b | 0.80 | 0.22a | 0.14b | 0.12b | 0.11b | 0.04 | 3.48a | 1.21b | 1.17b | 1.13b | 0.36 | 0.58a | 0.34b | 0.32b | 0.35b | 0.13 | |
| A. gangeticus | Untreated | 12.34a | 11.80ab | 10.12b | 11.20ab | 1.69 | 0.30a | 0.27a | 0.23a | 0.25a | 0.10 | 3.38a | 3.33a | 3.28a | 3.30a | 0.19 | 0.79a | 0.80a | 0.74a | 0.78a | 0.06 |
| WeedLock | 9.46a | 3.44b | 2.77b | 2.94b | 0.81 | 0.23a | 0.11b | 0.10b | 0.09b | 0.07 | 2.48a | 0.85b | 0.77b | 0.75b | 0.19 | 0.58a | 0.23b | 0.19b | 0.21b | 0.11 | |
Means having different letters differ significantly at p < 0.05.