摘要
茚虫威是美国杜邦公司新近开发生产的一种杀虫剂,可用于防治粮、棉、果、蔬、茶等作物上的多种害虫。为有效控制有机茶园内的茶毛虫为害,筛选理想药剂,笔者选用15%茚虫威乳油对茶毛虫进行防治。结果表明:药后1d,15%茚虫威乳油3种浓度对茶毛虫的抑制效果不明显,与对照药剂的防效有较大差距;药后3d,15%茚虫威乳油2025倍液防效为72.17%,与对照药剂的防效差距较小;药后7d,15%茚虫威乳油2025倍液防效可达98.75%。由此可知,15%茚虫威乳油适宜于有机茶园中茶毛虫的防控,其最佳稀释浓度为2025倍液。
Idoxacarb was a new insec- ticide which developed by E. I. DuPont de Nemours and Company, and it could control many pests on grain, cotton, fruit, vegetable, tea and other crops. In order to effectively control Euproctis pseudoconspersa Strand in organic tea garden and screen the ideal pesticide, I- doxacarb Emulsifiable Concentrate was used in control Euproctis pseudocon- spersa Strand. The results showed that: 1 day after spray pesticide, the control ef- fects of three concentrations of 15% I- doxacarb Emulsifiable Concentrate were not obvious; 3 days after spray pesticide, the control effect of 2 025 times of 15% Idoxacarb Emulsifiable Concentrate was 72.17%; 7 days after spray pesticide, the control effect of 2 025 times of 15% I- doxacarb Emulsifiable Concentrate was 98.75%. Thus, 15% Idoxacarb Emulsifi- able Concentrate was fit for control Eu- proctis pseudoconspersa Strand in organ- ic tea garden, and the best diluted con- centration was 2 025 times.
出处
《农业灾害研究》
2012年第3期49-51,共3页
Journal of Agricultural Catastrophology
基金
贵州省科技基金项目(黔科合J字[2011]2368号)
关键词
15%茚虫威乳油
茶毛虫
防治效果
15% Idoxacarb Emulsifi-able Concentrate
Euproctis pseudocon-spersaStrand
Control effect