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对郑州果树所国家果树种质郑州葡萄圃内的808份种质(品种和野生类型)的卷叶病自然发病情况进行了调查研究。在美洲种群、东亚种群及山美杂种中没有发现卷叶病症状;欧亚种葡萄中有卷叶病症状的品种比例最高,且程度严重;具有欧亚种葡萄血统的欧美杂种和欧山杂种均有表现卷叶病症状的品种,但发病率和严重程度较欧亚种低。在欧亚种葡萄中以鲜食葡萄品种为主的东方品种群的卷叶病的发病率较低,而以酿酒品种为主的西欧和黑海品种群发生卷叶病的比例较高,而且病情最严重。
The natural occurrence of leaf curl in 808 germplasm (variety and wild type) in the national fruit tree germplasm Zhengzhou of Zhengzhou City was investigated. In the American, East Asian and mountainous hybrids, no curly leaf symptoms were found; the percentage of varieties with curly leaf symptoms was the highest in Eurasian grape and the degree was serious; European and American hybrids with European and Asian grapevines and European hybrids Both showed the symptoms of curly leaf varieties, but the incidence and severity of Eurasian species is lower. The incidence of leaf-roll disease in the Oriental variety, which is dominated by fresh grape varieties, is lower in the European and Asian grape varieties, while the incidence of leaf-roll disease is higher in the Western European and Black Sea species, mainly wine-based varieties The worst