Table 3

Effect of shoot light exposure level on relative inflorescence dry weight per node.

ThompsonFlameCabernet
ExposureSeedless***a,bSeedless**Sauvignon*Chardonnay*
aMeans for nodes 5 to 15 in Thompson Seedless and nodes 1 to 3 in the other cultivars. Highest mean weight within cultivar considered as 100%, weights taken ~3 weeks after budbreak.
bLight exposure treatment effects: *, **, and *** indicate significance at p > 0.05, 0.01, and 0.001, respectively.
cStandard error at 95% confidence in parenthesis.
High100 (4.7)c99.2 (5.4)100 (7.0)100 (8.5)
Medium-high71.0 (3.5)100 (8.0)92.6 (5.4)74.7 (10.2)
Medium-low70.7 (9.2)77.2 (3.7)39.9 (7.6)
Low34.3 (3.3)47.0 (7.6)69.1 (8.8)59.4 (7.3)