Impact of shoot-thinning time on cluster and leaf exposure to sunlight determined by point quadrat analysis on Pinot noir, 2002.
| Leaves | Clusters | |||||
|---|---|---|---|---|---|---|
| Leaf | Sun | Sun | Partial sun | |||
| layer | exposed | Shaded | exposed | exposed | Shaded | |
| Treatment | number | (%) | (%) | (%) | (%) | (%) |
| aMeans followed by different letters are significant at p ≤ 0.05, Duncan’s multiple range test. | ||||||
| bFigures in bold type differ significantly from control, Dunnett’s t test, p < 0.05. | ||||||
| c*, **, ***, and ns indicate significance at p ≤ 0.05, 0.01, 0.001, and not significant, respectively. l, c: linear or cubic trends, respectively. Control was not included in model statement for determining trends. | ||||||
| Control | 2.0aa | 77.3ab | 22.7ab | 45.2b | 53.9a | 0.9 |
| 09–12 | 2.1a | 76.2ab | 23.8ab | 46.2b | 53.8a | 0.0 |
| 15 | 2.0ab | 73.7b | 26.3a | 52.4ab | 47.6ab | 0.0 |
| 19–21 | 2.0ab | 79.8a | 20.2b | 47.6b | 52.4a | 0.0 |
| 25–27 | 1.8bb | 77.0ab | 23.0ab | 58.4a | 41.6b | 0.0 |
| 29–31 | 1.8b | 77.1ab | 22.9ab | 62.4a | 37.6b | 0.0 |
| Significance, trendc | ***l | *c | *c | **l | **l | ns |