| Days after treatment | Treatment | Leaf position | Ave. | ||
|---|---|---|---|---|---|
| 1st | 2nd | 4th | |||
| 0 (Aug. 28) | Control | 11.1±2.3 | 11.5±2.6 | 11.2±2.4 | 11.3±2.4 |
| 15 (Sep.11) | Control | 9.6±0.9 (100) | 8.2±0.3 (100) | 7.4±1.6 (100) | 8.4±0.9 (100) |
| Shading | 11.8±1.1 (123) | 13.0±1.6 (159) | 10.5±0.8 (142) | 11.8±1.2 (140) | |