Table 4
Midday stem water potential (Ψstem, bar) and leaf assimilation rate (An, µmolm-2s-1) in closed (C) and open (A) canopy vines. Measurements were taken on well exposed basal and apical leaves for An. Each value is the average of four replicates. Different letters within a column indicate significant differences as calculated by the Tukey test (p≤0.05).
| DOY 201 | DOY 215 | DOY 241 | ||||
|---|---|---|---|---|---|---|
| Ψstem | An | Ψstem | An | Ψstem | An | |
| C | - 7.6 | 7.8 | - 7.3 | 11.3 a | - 5.7 | 5.3 a |
| A | - 8.4 | 7.8 | - 8.8 | 9.8 b | - 6.3 | 4.5 b |
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