Table 9

Impact of shoot-thinning time on wine composition of Cabernet franc, 2001–2002.

TAPhenolsAnthocyanins
(g/L)pHHueIntensity(mg/L)(mg/L)
Treatment200120022001200220012002200120022001200220012002
aMeans followed by different letters are significantly different, p ≤ 0.05, Duncan’s multiple range test.
bBoldfaced data are significantly different from the control according to Dunnett’s t test.
c*, **, and ns indicate significance at p ≤ 0.05, 0.01, and not significant, respectively.
Control7.3ba6.43.283.28b0.61b0.50b3.7b11.5ab648c214249c236
Double prune8.9ab5.13.373.38a0.68a0.51ab5.1a11.6ab905ab244291ab275
09–128.1ab4.93.363.32ab0.65a0.53a5.0a10.0b913ab218308a268
158.9ab5.83.363.33ab0.66a0.51ab5.0a11.5ab937a241270bc269
19–217.5ab5.93.323.28b0.65a0.50b4.5a10.7ab778b221275abc244
25–277.1b7.33.393.40a0.68a0.51ab4.5a12.4a877ab243272bc270
29–319.4ab5.03.343.39a0.66a0.51ab4.9a12.2a899ab218272bc274
Significancec*nsns*******ns*ns
Thin linearcnsnsnsnsnsnsnsnsnsnsnsns
Thin quadraticcnsnsnsnsnsnsnsnsnsnsnsns
Control vs thinningcnsnsnsnsnsnsnsnsnsnsnsns