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作物学报 ›› 1992, Vol. 18 ›› Issue (04): 317-319.

• 研究简报 • 上一篇    

一种快速、准确鉴定甘薯抗线虫性糠腐病的方法

武修英;陆漱韵;李惟基   

  1. 北京农业大学
  • 收稿日期:1991-03-05 修回日期:1991-06-23 出版日期:1992-07-12 网络出版日期:1992-07-12

A Method for Identifying Rapidly and Accurately the Resistance of Sweet Potato to Ditylenchus destructor in the Laboratory

Wu Xiuying;Lu Shuyun;Li Weiji   

  1. Beijing Agricultural University
  • Received:1991-03-05 Revised:1991-06-23 Published:1992-07-12 Published online:1992-07-12

摘要:

该方法为薯片接种法。徒手将薯块切成面积约为25毫米~2,100微米厚的薄片。置薄片於消毒的水洋菜培养基的滤纸条上。每片接线虫约50条左右。置于20℃温箱中。观察时用钌红染色。观察组织是否解离及其程度。薯片组织不解高及轻微解离属抗病类型(抗扩展);反之,属感病类型。经田间接种及病田种植试验验证,室内测定结果与田间验证

关键词: 线虫性糠腐病, 钌红, 中胶层, 接种, 症状及发病率

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