当前,苹果已进入幼果生长期,随着气温的上升,多种病虫将陆续进入繁殖为害盛期,尤其是褐斑病、斑点落叶病、轮纹病、炭疽病等病害进入侵染为害盛期,发生程度会逐渐加重。据各地植保部门5月上旬监测,苹果病虫总体发生较轻,白粉病、腐烂病、蚜虫发生较普遍,锈病、蚧壳虫类局部发生较重, At present, the apple has entered the young fruit growth period, with the temperature rising, a variety of pests will gradually enter the breeding season, especially the brown spot, spotted leaf disease, ring disease, anthracnose and other diseases into the damage Peak, the degree of occurrence will gradually increase. According to the local plant protection departments in early May to monitor the overall occurrence of apple pests light, powdery mildew, rot disease, aphids occur more common, rust, scale insects local occurrence heavier,