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啶虫脒、吡虫啉是我国近期开发的两种高效、低毒的吡啶类杀虫剂〔１，２〕。为了明确这两种药剂对麦蚜（ＲｈｏｐａｌｏｓｉｐｈｕｍｐａｄｉＬ．）的毒力及药效，进行了有关的比较试验。１ 材料与方法１．１ 供试药剂３％吡虫啉乳油（扬州农药厂），３％啶虫脒乳油（扬州农
Acetamiprid and imidacloprid are two kinds of high-efficiency and low-toxicity pyridine pesticides recently developed in China [1,2]. In order to clarify the virulence and efficacy of these two agents against wheat aphid (Rhopalosiphumpadi L.), comparative experiments were carried out. 1 Materials and methods 1.1 for the test agent 3% imidacloprid EC (Yangzhou Pesticide Factory), 3% acetamiprid EC (Yangzhou farmers