摘要
为了解决勐海县甘蔗螟虫和绵蚜危害严重问题,进行3.6%棵棵无损杀虫双6kg/亩+70%噻虫嗪可分散粉剂40g/亩盖膜(A)、不盖膜(B),当地常规农药毒死蜱1kg/亩、不盖膜(C),不施任何农药(CK),防治新宿甘蔗螟虫和绵蚜药效研究。结果表明:处理A防效最好,对新宿甘蔗螟虫苗期枯心率防效为70.12%~93.46%,比常规用药高12.57~38.52个百分点,对后期螟害节防效为49.42%~52.70%,比常规用药高9.38~41.93个百分点;对甘蔗绵蚜防效为100%,比常规用药高60.00~66.67个百分点。
In order to solve the serious problems of sugarcane borer and cotton aphid in Menghai, the treatment including 3.6% dimehypo 6 kg/667m2 ＋70% thiamethoxam dispersible powder 40 g/667m2 with mulching （A）, medication treatments same as A but without mulching （B）, the local conventional pesticide chlorpyrifos 1 kg/ 667m2 without mulching （C）, and without applying any pesticide （CK） was conducted. The results showed that： treatment A had the best control and control effect was 70.12% - 93.46%, and increased 12.57% - 38.52% than that of conventional medication; borer control effect was 49.42% - 52.70% in the late stage with 9.38% - 41.93% higher than that of conventional medication; the - 66.67% higher than that of routine medication. control efficacy of sugarcane aphid was 100%, and 60%
出处
《中国糖料》
2018年第1期33-34,共2页
Sugar Crops of China
