棉蚜对寄主的选择及寄主专化型研究

被引:39
作者
刘向东
张立建
张孝羲
翟保平
机构
[1] 南京农业大学植保学院
关键词
棉蚜; 寄主选择; 寄主专化型; EPG技术;
D O I
暂无
中图分类号
S433.3 [半翅目害虫];
学科分类号
摘要
采用叶片选择法、生命表及 EPG技术研究了棉蚜对寄主植物的选择和专化性。结果表明 ,棉花上生长的棉蚜对棉花、西葫芦和西瓜叶片均具有强选择性 ,而对黄瓜和南瓜选择性弱。西瓜、南瓜和黄瓜上生长的棉蚜对其原寄主选择性强 ,而对棉花选择性弱。棉花上的棉蚜转接到黄瓜和南瓜上 ,其存活率和繁殖力极低。棉蚜的取食行为在黄瓜和马铃薯、黄瓜和棉花之间存在明显的寄主专化型。黄瓜与棉花上的棉蚜相互转接均难成功 ,而黄瓜和马铃薯上的棉蚜转移具有不对称性。
引用
收藏
页码:1281 / 1285
页数:5
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