Yield, Quality Attributes, and Degree Day Requirements of Various Wine Grapes Under Climatic Conditions of Intermountain West Region
DOI:
https://doi.org/10.71318/apom.2004.58.3.156Abstract
Adaptability, yield, quality attributes, and growing degree day (GDD) requirements of 15 wine grape cultivar clones planted in 1997 under climatic conditions of southwest Idaho (Intermountain West Region) were evaluated during 1999-2001. ‘Viognier 01’ was an excellent white wine grape and ‘Valdepenase 03’ an outstanding red wine grape. Wines of ‘Carignane 06’, ‘Grenache 03’, and ‘Meunier 01’ were not satisfactory. Relatively low wine quality of ‘Carignane 06’ and ‘Grenache 03’ grapes could in part be related to their high yield. Wine of ‘Petite Verdot 01’ was excellent; however, its very low yields do not economically justify growing this grape under southwest Idaho conditions. Cumulative growing degree days were sufficient to mature all wine grapes tested in this study.
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