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中文摘要：
对甘肃省不同鲜食葡萄品种进行了室内离体叶片接种和田间自然发病情况调查,以期为葡萄抗性品种的选育和葡萄霜霉病的防治提供科学依据。结果表明：室内接种试验和大田调查结果基本一致;室内离体叶片接种发现,供试的10个葡萄品种中＂京亚＂对霜霉病的抗性最强,＂瑞必尔＂和＂火焰无核＂的抗性最弱;从发病时间来看,抗性与发病时间存在一定相关性,抗性越强发病越晚;田间调查结果表明,34个鲜食葡萄品种可分为3类,其中＂京亚＂等16个品种属于抗病品种,＂红地球＂等10个品种属于感病品种,＂瑞必尔＂和＂京秀＂等8个品种为高感病品种。
英文摘要：
Resistance of different table grape cultivars to Plasmopara viticola were determined through indoor inoculation test and filed survey,in order to provide scientific basis for the breeding of resistant cuhivars and the control in Gansu. The results showed that indoor inoculation test and filed survey were consistent, indoor inoculation test indicated ‘Jingya’ was the strongest to resistance of grape downy mildew, ‘Riber’ and ‘Flame seedless’ were the most susceptive. From the disease time, there were some correlations ,and the stronger was resistance, the later was disease. The field survey results showed that 34 table cultivars could be classified into 3 groups. The resistant cultivars were 16,including ‘Jingya’ ,et al; then‘Red globe’, and other 9 cultivars belonged to susCeptive cultivars. Other 8 cultivars including ‘Riber＇ and ‘Jingxiu＇ were high susceptive cultivars.
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