千虫克等几种杀虫剂对油菜苗期跳甲的防治效果  

Controlling Effect on Qianchongke et al Insecticide Control Striped flea beetle during Rape Seedling Stage

作　　者：张登峰[1] 赵新宇[1] 马全花[2] 

机构地区：[1]青海省农林科学院植保所 [2]青海大学农林中专部

出　　处：《青海农林科技》2003年第4期4-5,17,共3页Science and Technology of Qinghai Agriculture and Forestry

摘　　要：应用6种杀虫剂对油菜苗期跳甲进行喷雾防治。试验结果表明,应用生物杀虫剂千虫克可湿性粉剂每公顷470g、625g、935g,喷液量750kg,于油菜出苗后2d喷雾防治跳甲,药后2、5、7、10d的校正防治效果分别为22 2%～42 2%、54 2%～62 3%、43 3%～50 1%、24 1%～35 6%。5%锐劲特悬浮剂每公顷500ml,喷液量750kg,药后2、5、7、10d对跳甲的校正防治效果分别为69%、77 1%、52 5%、55 3%。均优于其它参试药剂克螨灵、乐斯本、吡虫啉和对照药剂乐果。生产上可选用这两种中低毒农药防治苗期跳甲。Applied 6 kinds insecticide were to control striped flea beetle(Phyllotreta vittata.etc.)during rape seedling stage.Test result shows,applied Qianchongke WP 470g,625g and 935g·hm^(-2),spraied liquid 750kg·hm^(-2),spraved after rape seedling emerged 2d.After sprayed2,5,7and 10d rectify effect were 22.2%～42.2%,54.2%～62.3%,43.3%～50.1%and 24.1%～35.6% distinguishly for controlled striped flea beetle.Regent 5% SC 500ml·hm^(-2),spraied liquid 750kg·hm^(-2),After spraied 2,5,7and 10d rectify effect were 69%,77.1%,52.5%and 55.3% distinguishly.Rectify effect of Qianchongke and Regent were better than other insecticide such as Kemanling WP,LorsbanEC,Imidacloprid WP and Dimethoate EC.The two insecticide might be choosed for controlling striped flea beetle during tape seedling stage.

关 键 词：千虫克杀虫剂 油菜 苗期 跳甲 防治效果 可湿性粉剂 5%锐劲特悬浮剂 

分 类 号：S435.654[农业科学—农业昆虫与害虫防治]