特丁磷防治甘蔗害虫田间药效试验

The Efficacy Test of 5%Terbufos G Against Exolontha serrulata(Gyllenhal) and Chilo infuscatellus Snellen

５％特丁磷颗粒剂对甘蔗害虫具有良好的防治效果。３～５月份结合甘蔗松、培土，施５％特丁磷颗粒剂２、２．５、３ｋｇ／ｍｕ，对蔗龟的防效达９１％以上，对蔗螟的防效在８０％左右，可作为蔗龟、蔗螟防治中的轮换用药。田间使用以施２．５～３ｋｇ／ｍｕ为宜。

The results of field trials showed the good control efficacy of 5%terbufos G against Exolontha serrulata(Gyllenhal)and Chilo infuscatellus Snellen.Applied 5%terbufos G 2～3kg/mu in loosen and hill up soil in March～May,the control efficacy in Exolontha serrulata(Gyllenhal) was over 91%,the efficacy in Chilo infuscatellus Snellen reached about 80%. Terbufos could be used as a substitute to control the sugarcane pest.