根据弥渡县农业技术推广中心多年的观测试验资料，分析了冬早熟大蒜叶枯病流行的规律与气象条件的关系，发现病害与种植区域、种植年度、播期早迟、降雨过程和日照有关。初步提出防治的主要措施，供冬早熟蒜区参考。 According to the data of many years of observation and test in Midu County Agricultural Technology Extension Center, the relationship between the prevalence of winter premature garlic blight and meteorological conditions was analyzed. It was found that the disease was related to planting area, planting year, early sowing date, rainfall course and sunshine . Preliminarily put forward the main measures of prevention and cure for the reference of winter precocious garlic area.