梨小性迷向素饵剂防治桃树梨小食心虫应用研究

Study on Control of Grapholitha Molesta by Using Sex Pheromone Bait in Peach Orchard

梨小食心虫是桃树上最重要的害虫之一。为明确梨小性迷向素饵剂对桃树梨小食心虫的影响,在其主要发生地区分别进行了对梨小食心虫的田间药效试验。结果显示,梨小性迷向素饵剂对梨小食心虫的迷向率>99%,对新稍的平均防效为87.76%,对果实的平均防效为93.16%,可以持续有效控制梨小食心虫1~3代成虫的危害,梨小性迷向素饵剂与常规化学药剂相比具有显著的防虫效果。本研究可为梨小性迷向素饵剂田间应用提供指导。

The oriental fruit moth[Grapholitha molesta(Busck)]is one of the main pests in peach orchards.To determine the efficacy of sex pheromone dispenser against oriental fruit moth,the relevant field efficacy trials were conducted in the main occurrence areas.The Mating disruption rate of Grapholitha molesta sex pheromone bait to oriental fruit moth was found to be above 99%.The average control effect is 87.76%on shoot and 93.16%on fruits.Grapholitha molesta sex pheromone bait can continuously and effectively prevent and control the damage caused by 1~3 generations of oriental fruit moth.Compared with conventional chemical agents,the bait of Grapholitha molesta sex pheromone showed a more significant insect control effect.The study provided an instruction on the control of oriental fruit moths in the field.