Ségalin is a red wine grape (Vitis vinifera L.) variety from France that was selected from a planned cross of the varieties Jurançon noir and Portugais made in 1957 by Paul Truel. Robinson et al. (2012) described the vines as having low vigor in warmer climates, but vigor and yields were adequate in a San Joaquin Valley trial, a hot climate region. Berries accumulate very high anthocyanin content, and make deeply-colored wines, even in the San Joaquin Valley. Bunch rot was a problem in some years.
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