茼蒿对瓜蚜的控制作用研究

Haibo Zhang,Fucai Zhou,Xuehao Chen,Xiaoxia Wu,Honghua Su,Bin Zhao,Yuhua Zhang,Sen Heng,Aimin Yang,Yahong Wu

China Plant Protection（2017）

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Abstract

采用叶碟法研究瓜蚜对寄主植物的选择性,并在田间开展周植茼蒿控制黄瓜瓜蚜的试验.结果表明,瓜蚜对小叶茼蒿的选择率明显高于其他被试茼蒿品种.在小叶茼蒿不同生育期内,对开花期的选择率较苗期及现蕾前高.瓜蚜对开花期小叶茼蒿选择率明显高于黄瓜、辣椒、番茄、茄子4种寄主蔬菜.田间周植茼蒿对黄瓜瓜蚜的相对防效高于黄板诱杀处理,二者联合使用可提高对瓜蚜的控制效果.

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