4月份以来,湖北省南部低山、平原、丘陵地区降水多,田间湿度大,对马铃薯晚疫病的侵染和扩散十分有利。目前,恩施、荆州、咸宁、孝感、黄冈等地均已发现马铃薯晚疫病中心病株。预计今年湖北省南部低山、平原、丘陵地区马铃薯晚疫病发生程度5级,北部岗地发生程度4级,局部5 Since April, there have been more precipitation in the low mountains, plains and hills in the southern part of Hubei Province and the high humidity in the field, which is very beneficial to the infection and spread of potato late blight. Currently, Enshi, Jingzhou, Xianning, Xiaogan, Huanggang and other places have been found late blight potato disease. This year is expected to southern Hubei low mountain, plains, hilly areas potato late blight incidence of 5 degrees, the northern post 4, 5