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以河北昌黎葡萄产区3种葡萄品种为调查对象,研究了不同品种、不同树龄、不同架势葡萄霜霉病发病情况。结果表明:“赤霞珠”品种最易感病,“品丽珠”次之,“马瑟兰”发病较轻,且低龄生“赤霞珠”品种感病高于高龄生“赤霞珠”品种。“品丽珠”葡萄品种篱架栽培最易感病且发病较重,而“赤霞珠”品种对栽植的架势要求不严。
Taking grape varieties in Changli, Hebei Province, as the research object, the incidence of grape downy mildew in different varieties, different ages and different positions was studied. The results showed that the susceptible varieties of “Cabernet Sauvignon” were the most susceptible, “Cabernet Franc” followed, “Mautland” less susceptible, and the younger generation “Cabernet Sauvignon” Higher than the older students “Cabernet Sauvignon ” varieties. “Cabernet Franc ” varieties of grapes are most susceptible to the disease and the incidence of heavier, and “Cabernet Sauvignon ” varieties of planting requirements are not strict.