梨小食心虫发生规律及综合防治技术

Occurrence Regularities of and Integrated Control Techniques for Grapholitha molesta

梨小食心虫是皖北地区梨、桃主要害虫,受管理、栽培、气候等因素影响,近年来有危害加重的趋势,危害严重的果园虫蛀率超过30%,经济损失巨大。本文介绍了梨小食心虫在砀山县的发生情况、发生规律及防治措施,为林农把握最佳防治时机、采取科学防治措施提供借鉴。

Grapholitha molesta,a main pear and peach pest in North Anhui with aggravating damage trend in recent years due to factors including improper management and cultivation and climate change,has caused more than 30%pest damage rate in orchards in serious cases with huge economic losses.In this paper,an introduction was made to the pest occurrence actualities,regularities and control measures in Dangshan County to provide forest farmers with reference of scientific control measures at the best time.