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不同番茄品种对番茄黄化曲叶病毒的抗病性鉴定

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Keywords: 番茄品种,番茄黄化曲叶病毒,抗病性鉴定

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Abstract:

为评估生产上常用番茄栽培品种对番茄黄化曲叶病毒(Tomatoyellowleafcurlvirus,TYLCV)的抗性水平,采用田间大棚自然传毒的方式,通过对各品种的发病时间、发病率及病情指数等参数的比较,结合PCR及ELISA对TYLCV的检测结果,综合分析了20个番茄品种对番茄黄化曲叶病毒的抗病性。不同品种对番茄黄化曲叶病毒的抗性差异较大,试验筛选出仙客6号和金棚1号2份感病材料,发病率和病情指数在90%和60.9以上;佳红8号、10-秋展47和红罗曼2号3份高抗材料,发病率和病情指数均为0;其它表现不同程度抗、耐病水平的材料15份,发病率和病情指数分别在10.0%~85.0%和1.0~40.6之间。

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