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黄瓜花叶病毒(CMV)亚组Ⅰ、Ⅱ分离物生物学特性比较研究

DOI: 10.7668/hbnxb.2009.05.042, PP. 201-205

Keywords: 黄瓜花叶病毒,亚组Ⅰ、Ⅱ,生物学特性,比较研究

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Abstract:

从福建、浙江、湖南、宁夏、安徽、山西、河南、河北、北京等省市采集并收集到16个黄瓜花叶病毒(CMV)样品,用亚组特异性抗血清以ELISA方法对这些样品进行了亚组鉴定。同时,选取亚组Ⅰ、Ⅱ病毒部分分离物进行了症状、致病性和体外稳定性比较研究。结果表明,亚组Ⅱ病毒分离物的症状和致病性受温度、湿度和光照强度等的调节,在不同环境条件下呈现复杂的寄主适应性变化,总的症状比较温和。我国收集的CMV样品以亚组Ⅰ为主,检出率占样品总数的75%。但由两亚组病毒生物学特性比较研究结果表明,亚组Ⅱ病毒在采样和检测中易于被忽略或丢失,据此,探讨了CMV亚组Ⅱ存在的生态意义及其样品检出率与田间实际发生率之间可能存在的较大差异。

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