Table 1.
Effect of source-sink modulation on leaf area (LA), leaf area-to-yield ratio, and leaf chlorophyll content (SPAD) of Cabernet Sauvignon grapevines.
| Treatment‡ | Pre-trimming LA/vine (cm2) | Removed LA/vine (cm2) | Final LA/vine (cm2) | LA/yield (m2/Kg) | SPAD |
|---|---|---|---|---|---|
| 3L | 1123 | 858 | 265 | 0.67 | 51.0 |
| 12L | 999 | 0 | 999 | 3.98 | 44.1 |
| Sig.(t test)+ | ns | ∗∗ | ∗∗ | ∗∗ | ∗∗ |
Data are means of nine plants. ‡3L: plants with three leaves per cluster; 12L: plants with twelve leaves per cluster. +, ∗∗, and ns indicate statistical significance at P = 0.001, and not significant, respectively.