迷向丝对桃园梨小食心虫的防治效果

Control Effect of Mating Disruption with Synthetic Sex Pheromone on Grapholitha molesta Busck in Peach Orchord

在桃园用不同数量梨小食心虫迷向丝处理防治梨小食心虫,均可减少农药的使用次数,较好地降低折梢率、蛀果率。495条迷向丝/hm^2处理的效果较好,对梨小食心虫迷向率为94.84%,降低折梢率和蛀果率的防效分别为77.32%、78.82%,可在生产中应用推广。

The different treatment of Sex Pheromones to Control Grapholitha molesta Busck can reduce the use of pesticides in peache Orchord and has a good control effect on the avoiding top-breakage and fruit decay reached,It is more economic to use 495 Australia sexpheromone per hectare,The rate of mating disruption was 91.84% and The effect of avoiding top-breakage and fruit decay reached 77.33% and 78.85%,Thereby,Sex pheromone can be used control Grapholitha molesta Busck in production.