【摘要】 梨小食心虫是我国北方梨产区危害梨果的主要害虫之一，在驻马店地区各梨园的发生非常普遍。幼虫从梨萼、梗洼处蛀入，直达果心，高湿天气情况下蛀孔周围常变黑腐烂。除危害果实外，幼虫还危害新梢、叶柄和花芽，给当地果农造成了极大的经济损失。为增加果农的经济收入，提高果品质量，研究了梨小食心虫的发生特点和综合防治方法，为防治梨小食心虫提供技术支撑。更多还原

【Abstract】 Grapholitha molesta was one of the main pests damaging pear fruits in pear producing areas in northern China,and it was very common in pear orchards in Zhumadian area. Larvae infested from pear calyx and stalk cavity,reaching the fruit center. Under high-humid weather conditions,the surrounding cavities often became black and rotten. In addition to harming fruit,larvae also harmed new shoots,petioles and flower buds,causing great economic losses to local fruit farmers. In order to increase the economic income of fruit growers and improve the quality of fruit,the occurrence characteristics and integrated control methods of Grapholitha molesta were studied to provide technical support for the control of Grapholitha molesta.更多还原