On Water Insoluble Pesticide Parit Efficacy in Tea Garden of Yibin City,Sichuan Province
2013
[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.
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