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大生M-45是美国罗门哈斯公司研制生产的一种高效、低毒、保护性杀菌剂,目前多应用在苹果斑点落叶病、轮纹病、炭疽病等病害的防治上。1998年,由于降雨频繁、气候反常,各地苹果园出现了大面积落叶、烂果现象,而观水镇的苹果园叶片良好,烂果率也较轻,果品质量好,得到省市专家好评,受到中外果商欢迎。现将观水镇对大生M-45的使用技术介绍如下。
Dasheng M-45 is a high efficiency, low toxicity and protective fungicide developed and produced by Rohm and Haas Company in the United States. At present, M-45 is widely used in the prevention and control of diseases such as apple spotted leaf rot disease, round grain disease and anthracnose. In 1998, due to frequent rainfall and abnormal climate, apple orchards in various places appeared deciduous and rotten fruits in large areas, while the apple orchard leaves in Guanshui were good, the rotten fruit rate was also light, the quality of fruits was good, and they were praised by provincial and municipal experts. Welcome fruit by Chinese and foreign merchants. Guanshui Town, M-45 students will now use the technology described below.