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1983—1985年在我所葡萄园和其它地方先后发现许多葡萄植株的叶片向下卷,叶色轻微失绿,植株生长弱,或者是植株叶片变红色向下卷。据调查,葡萄卷叶现象在我国发生普遍,北京南口农场有57.3%的葡萄植株表现症状,山东酿酒葡萄科学研究所和安徽省肖县葡萄园艺场分别有49%和26.5%的葡萄植株表现症状。北京围河农场的佳利酿品种和晚白品种则全部表现症状。目前,我国尚未见到有关葡萄卷叶的报道。国外参考文献记载有四种葡萄病毒病表现卷叶症状,即蕃茄环斑病毒病、葡萄黑木病毒病、葡萄黄化病毒病和葡萄卷叶病毒病。为了
From 1983 to 1985 in many vineyards and elsewhere in my vineyard, it was discovered that the leaves of many grapevine plants were decurled, the color of the leaves was slightly discolored, the plantlets were weakly grown, or the plant leaves turned red to the downs. According to the survey, grape curly leaf phenomenon occurred in our country generally, 57.3% of Beijing Nankou farm performance of grape plants, Shandong Wine Grape Institute of Science and Anhui Shaoxian grape garden 49% and 26.5% of the grape plant symptoms . Goodwill varieties and late-night white breeds at Beijing Waihe Farm all show symptoms. At present, our country has not yet seen the report about grape leaf curl. Foreign references documented four grapevine disease manifesting leaf curl symptoms, namely tomato ring spot virus disease, grapevine wood virus, grape yellow virus disease and grape leafroll virus disease. in order to