棉蚜不同发生期药剂防效比较

棉蚜不同发生期药剂防效比较

董红强;熊仁次;聂宗喜;杨超;杨光

塔里木大学植物科技学院,新疆阿拉尔,843300;新疆农一师12团,新疆阿拉尔,843300

收稿日期:2008-05-25 修回日期:2008-05-25 出版日期:2008-05-25 发布日期:2008-05-25

Comparison of Control Effect of the Insecticides on Cotton Aphid (Aphis gossypii glover)in Different Occurrence Period

DONG Hong-qiang;XIONG Ren-ci;NIE Zong-Xi;YANG Chao;YANG Guang

Received:2008-05-25 Revised:2008-05-25 Published:2008-05-25 Online:2008-05-25

摘要/Abstract

摘要： 通过田间试验表明,棉蚜暴发初期施用10;蚜虱净可湿性粉剂270 g/hm2,防治棉蚜效果可达98.36;,对瓢虫和食蚜蝇影响相应最小.棉蚜暴发盛期,采用10;蚜虱净可湿性粉剂270 g/hm2,药后5 d防效可达79.58;,其速效性较差,造成棉花在药后5～10 d生长势衰败严重;采用35;赛丹乳油900 g/hm2,第5 d防效大于97;,对瓢虫和食蚜蝇有一定影响,但能快速压制蚜虫种群密度,使其量限制于瓢虫和食蚜蝇等天敌可控制的范围.

董红强;熊仁次;聂宗喜;杨超;杨光. 棉蚜不同发生期药剂防效比较[J]. .

DONG Hong-qiang;XIONG Ren-ci;NIE Zong-Xi;YANG Chao;YANG Guang. Comparison of Control Effect of the Insecticides on Cotton Aphid (Aphis gossypii glover)in Different Occurrence Period[J]. .