梨黑星病在辽西地区梨树栽培史上曾数次流行性大发生,生产上常造成重大损失。针对辽西地区梨黑星病的发生为害规律,提出对梨黑星病应寻求长效防控措施,即搞好预测预报,加强人工防治,施用药剂应以波尔多液为主,其他有机杀菌剂为辅,并注意交替使用农药。 Pear scab in the history of pear cultivation in western Liaoning has occurred several times the epidemic, the production often cause heavy losses. Aiming at the pest incidence of pear scab in western Liaoning, the paper proposes that long-term prevention and control measures should be sought for scab in pear, which is to improve the prediction and forecasting and to strengthen the prevention and treatment of pears. The other pesticides should be Bordeaux mixture Supplement, and pay attention to the alternative use of pesticides.