梨小食心虫对黄冠梨的危害及防治措施

On the Harm of Grapholitha molesta to Pyrus pyrifolia and Its Preventive Measure

针对近几年梨小食心虫在衡水市的危害情况,根据该虫的生活习性、形态特征、为害症状和发生规律,提出了在不同时期采取梨果套袋、农业防治、物理机械防治、生物防治和化学防治等综合性防治措施。

In the light of the harmfulness of Grapholitha molesta in Hengshui City over the last few years, and according to the life habit and the occurrence characteristics of this pest, this paper advances some integrated control measures such as cover pear with plastic bag, agricultural control, physical control, biological insect control and chemical control in different periods.