Studies on Winegrape Maturity and Wine Quality in Shihezi Zones

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The results showed that the sugar content of Merlot and Chardonnay was changed with a S curve in Shihezi zones while its acids showed a downtrend curve from the beginning of first,August.With the best wine quality in Shihezi,the sugar/acid were between 30~40 in Merlot;the sugar/acid were between 28~37 in Chardonnay.and this paper discussed also additional methods of maturity,such as: pH×sugar,pH~2×sugar.

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