摘要
[目的]选取新烟碱类和三嗪酮类杀虫剂,通过对桃粉大尾蚜Hyalopterus arundinis的药效试验,明确3种药剂的防治效果、适宜质量浓度、持效期。[方法]采用"DMRT"法进行方差分析,并用邓肯氏新复极差法检验差异显著性。[结果]5%啶虫脒EC、5%吡虫啉EC 16.7、25 mg a.i./L,防治桃粉大尾蚜效果均较好,药后21 d的防治效果为99.78%～100%,明显高于50%吡蚜酮WG 166.7、250 mg a.i./L的防效。并且5%啶虫脒EC及5%吡虫啉EC各药剂处理间校正防效无显著差异。[结论]在实际应用中建议交替使用啶虫脒和吡虫啉,防止害虫抗药性的产生。
[Aims] Neonicotinoid and triazine ketones insecticides were selected to carry out the effective test against Hyalopterus arundinis to clarify the control effect, optimal concentration and persistence. [Methods] ＂DMRT＂ method was used to analyze variance and Duncan-style with new multiple range to test the significance of differences. [Results] Acetamiprid 5% EC 16.7, 25 mg a.i./L and imidacloprid 5% EC 16.7, 25 mg a.i./L showed good control against Hyalopterus arundinis. After 21 days control effect reached 99.78-100%, obviously higher than pymetrozine 50% WG 166.7, 250 mg a.i./L. There is no evident difference of corrective effect between acetamiprid 5% EC 16.7, 25 mg a.i./L and imidaclopfid 5% EC 16.7, 25 mg a.i./L. [Conclusions] In practical application, aeetamiprid 5% EC 16.7 mg a.i./L and imidacloprid 5% EC 16.7 mg a.i./L should be used alternately to prevent development of pest resistance.
出处
《农药》
CAS
北大核心
2012年第1期66-67,共2页
Agrochemicals
基金
国家公益性行业(农业)科研专项(201003058)
关键词
吡蚜酮
吡虫啉
啶虫脒
桃粉大尾蚜
防治效果
pymetrozine
imidacloprid
acetamiprid
Hyalopterus amndinis
controlling effect
