四川省宜宾市茶园非水溶性农药帕力特药效研究

目的]评价非水溶性农药帕力特的药效。方法]通过在四川省宜宾市2个不同地理区域的茶园小区中施用帕力特和对照药剂吡虫啉,比较了不同杀虫剂对假眼小绿叶蝉的田间药效。结果]药后21 d内,在江安县和宜宾县均未见茶树出现生理毒害现象,且药后假眼小绿叶蝉数量急剧减少;宜宾县最佳防效达95.75%、最高虫口减退率达97.73%,显著好于对照药剂吡虫啉;江安县最佳防效达77.72%,最高虫口减退率达78.50%。结论]使用非水溶性农药帕力特起到明显的药效作用,也提高了茶叶饮用安全,具有较强的市场推广潜力。

On Water Insoluble Pesticide Parit Efficacy in Tea Garden of Yibin City, Sichuan Province

Objective] To evaluate efficacy of water insoluble pesticide parit.Method] Through applying parit and control pesticide imidacloprid in tea gardens in different regions of Yibin City,the field efficacy of different pesticides on Empoasca cicadas was compared.Result] The results showed that： 21days after application,there were no tea tree physiological poison phenomena on tea tree in Jiangan County and Yibin County,and Empoasca cicadas number drastically reduced;The best control efficiency is 95.75% and the strongest decline rate is 97.73% in Yibin County,significantly better than imidacloprid.The best control efficiency is 77.72% and the strongest decline rate is 78.50% in Jangan County.Conclusion] The use of water insoluble pesticides parit has a significant pharmacodynamic effect,improve tea drinking safety with a strong marketing potential.