三种杀虫剂对麦田蚜虫和天敌的影响
Impacts of three insecticides on wheat aphids and their natural enemies in wheat field.
刘爱芝;李素娟;李世功;武予清
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DOI:10.7679/j.issn.2095-1353.2001.038
作者单位:河南省农科院植物保护研究所,郑州450002
中文关键词:杀虫剂;麦田;蚜虫;天敌
英文关键词:insecticides; wheat field; wheat aphids; natural enemies
中文摘要:通过对施用杀虫剂吡虫啉、抗蚜威、广谱性杀虫剂氧化乐果对麦田蚜虫和天敌的影响进行分析 ,结果表明 ,施用杀虫剂对麦田蚜虫防效高 ,对其天敌有保护作用 ,且瓢蚜比降低。使用 10%吡虫啉( 10g 667m
2 )后 5~ 25天瓢蚜比为 1∶34~ 1∶170 ;用 50%抗蚜威 ( 5g667m
英文摘要:Impacts of three insecticides on wheat aphids and their natural enemies in wheat field were analysed. The results showed that the insecticides had an excellent controlling effect on wheat aphids and were safe to natural enemies; and the ratio of ladybird