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[目的]通过室内毒力测定和田间试验评价10%烯啶虫胺可溶液剂对柑橘绣线菊蚜的防治效果。[方法]分别用Potter喷雾和常规喷雾法进行室内毒力测定和田间药效试验。[结果]10%烯啶虫胺可溶液剂和3%啶虫脒乳油对柑橘绣线菊蚜的LC50值分别为5.51、4.51 mg/L,两者毒力大体相当;10%烯啶虫胺可溶液剂质量浓度25 mg/L于药后1～14 d的防效达88.7%～100%,与3%啶虫脒乳油15 mg/L防效相当;质量浓度为15、20 mg/L的速效性稍差。[结论]10%烯啶虫胺可溶液剂是防治柑橘绣线菊蚜的理想药剂,在蚜虫种群密度较低时,推荐使用质量浓度为15～20 mg/L,在种群密度较高时使用25 mg/L,重点对新梢进行喷雾。
[Objective] The aim of the study was to evaluate the control effect of 10% nitenpyram solution on the Aphis citricola sp. By indoor virulence test and field experiment. [Method] Potter spray and conventional spray method were used to determine indoor toxicity and field efficacy test. [Result] The LC50 values of 10% nitenpyram solution and 3% acetamiprid EC were 5.51 and 4.51 mg / L, respectively, and their virulences were almost the same. 10% nitenpyram The control efficacy of 25 mg / L solution was 88.7% ~ 100% at 1 ~ 14 d, which was equivalent to that of 3% acetamiprid EC at 15 mg / L. The mass concentration of 15 mg / L The quickness is slightly worse. [Conclusion] The 10% nitenpyram solution was the ideal agent for the control of Aphis citricola. When the population density of aphid was low, the recommended concentration of 15 ~ 20 mg / L was used when the population density was high 25 mg / L, focusing on the shoots spray.