Cluster thinning effects on crop yield and quality of Cabernet Sauvignon and Cabernet Franc grown in the Eastern US

Created with SARE support
Lawrence Coia and Daniel Ward | 2014 | 12 pages

Cabernet Sauvignon and Cabernet Franc are important grape varieties that can produce excellent wine grapes and wine in the East, but optimal yields through cluster thinning have not been established.

In this trial, we tested the hypotheses that there is no difference in wine grape quality or in wine quality with one cluster per shoot versus two clusters per shoot for each of these varieties during the 3-year study period of 2010 through 2012.

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This material is based upon work that is supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture through the Sustainable Agriculture Research and Education (SARE) program. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture or SARE.