刘春来;王爽;李新民;刘兴龙;夏吉星;杨帆;马玲;

• 1:东北林业大学林学院
• 2:黑龙江省农业科学院植物保护研究所

摘要(Abstract)：

[目的]筛选对桃蚜侵染致病力强的蜡蚧轮枝菌菌株,为该菌的进一步开发利用奠定基础。[方法]采用波特喷雾塔测定法,测定来源于俄罗斯的6株蜡蚧轮枝菌菌株对桃蚜的侵染致死情况。[结果]高浓度处理(>1×106孢子/ml),多数菌株在第5、6天达到死亡高峰;第7天结束观察时,所测定各菌株的最高浓度处理(1×108孢子/ml)若蚜校正死亡率均达到95%以上。V3、V4菌株在该浓度下致死中时间分别为4.25和4.11 d。[结论]参试菌株对桃蚜均表现出较高的致病性,V3、V4菌株为更优良的备用菌株。

关键词(KeyWords)： 蜡蚧轮枝菌;桃蚜;波特喷雾塔;校正死亡率;致死中时间

Abstract:

Keywords:

基金项目(Foundation): 国家国际科技合作专项项目(2012DFR30810)

作者(Author): 刘春来;王爽;李新民;刘兴龙;夏吉星;杨帆;马玲;

Email:

DOI: 10.13989/j.cnki.0517-6611.2013.36.053

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