杀灭菊酯(通名为戊酸氰醚酯fenvalerate)是1970年问世的新拟除虫菊酯类杀虫剂。自1980年起对茶树害虫进行药效和残效测定。试验方法 1.毒力测定点滴法:将原药用丙酮稀释成7个浓度级,并设溶剂为空白对照,用微量注射器将药液施于虫体胸部背板,施药量为每头1微升。处理后的害虫放入培养 Fenpropathrin (commonly known as fenvalerate) is a new pyrethroid pesticide that came out in 1970. Since 1980, the efficacy of tea tree pests and residual effect determination. Test methods 1. Toxicity Determination Drip method: The original drug acetone diluted into seven concentration levels, and set the solvent as a blank control, the syringe with a liquid syringe applied to the body back of the chest, the application rate of 1 per head Slightly increased. Pest after treatment into the culture