随着城市建设的飞速发展,梨锈病的中间寄主桧柏类作为绿化树种也有了显著增加,因此梨锈病发生面积和被害程度在全国有逐渐增加的趋势,区域性受害更重.此病的根治方法是除尽梨园周围的中间寄主,依靠药剂确立适当的防治措施. With the rapid development of urban construction, the intermediate host cypress species of pears rust has also increased significantly as a species of afforestation, so the area and degree of pest rust occurrence have a tendency to increase gradually throughout the country, and the regional victims are more serious. The method is to eliminate the intermediate host around the pear garden, relying on agents to establish appropriate control measures.