Two resistant viticultural grape varieties Chambourcin and Catawba from America were introduced into Yinchuan,Ningxia for trial cultivation.Botanical characteristics,phenological phase,fruit quality,resistance to downy mildew and cold tolerance were investigated.The results showed that both of two introduced grape varieties could mature normally in Yinchan.They had the potential to be used in winemaking,excellent resistance to downy mildew and cold tolerance.Therefore,the introduced grape varieties were considered to be suitable for further promotion of wine grape in geographic origin of Ningxia Helan Mountain east foothill.
GrapeIntroduction and screening of varietiesYinchuan area
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