Abstract
Chlormequat (2-chloroethyl)trimethylammonium chloride, had no effect on crop weight when applied at prebloom stage to 'Cabernet Sauvignon' at 0 and 600 ppm, and to 'Pinot noir' and 'Chardonnay' at 0, 300, and 1,000 ppm. Some treated clusters on all cultivars, however, had more berries than did the control. Weight per berry was decreased by all treatments except 300 ppm on 'Pinot noir'. The treatments did not affect length of rachis, weight of berries per centimeter of rachis, or soluble solids. With 'Pinot noir', chlormequat at 300 and 1,000 ppm increased total acid and decreased the soluble solids/total acid ratio.
- Accepted May 1973.
- Published online January 1973
- Copyright 1973 by the American Society for Enology and Viticulture
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