10％虫螨腈SC防治柑桔木虱、潜叶蛾等四种柑桔害虫田间药效试验

对10％虫螨腈SC进行防治柑桔木虱、潜叶蛾等四种柑桔害虫田间药效试验。结果表明，10％虫螨腈SC对柑桔木虱、潜叶蛾防效好；对柑桔粉虱速效性较好，但持效性差；对柑桔红蜘蛛的防效一般，特别是速效性差。

The Field Efficacy Trials of Chlorfenapyr 10% SC on Diaphorina Citri Kuwayama and Phyllocnistis Citrella Stainton and Other Citrus Pests

BACKGROUND： The field efficacy trials on chlorfenapyr 10% SC had been conducted out to validate the control effect against Asian Citrus Psylla（Diaphorina citri Kuwayama）, Phyllocnistis citrella Stainton, Dialeurodes citri Ashmeadand Panonychus citri McGregor in August to October in 2010. RESULTS： The results of field trials showed that the efficacies of 3, 7 days after treatment of chlorfenapyr 10% SC against Phyllocnistis citreUa were all 100% at 500, 667 mg/L and 97.9% and 92.1% at 1000 mg/L. The efficacies were 83.2% and 25.1% after 1, 3 days treatment against Dialeurodes citri at 1000 mg/L. The efficacies against adult of Asian Citrus Psylla were 95.1% to 99.8% during 1 to 15 days after treatment at 667, 1000 mg/L.The efficacies against Panonychus citri were 63.2% to 90.9% during 2 to 15 days after treatment at 500, 667, 1000 mg/L. CONCLUSIONS： Chlorfenapyr 10% SC provided good efficacy against Phyllocnistis citrella, Asian Citrus Psylla and Panonychus cirri and quick-acting and short persistent effect against Dialeurodes citri.