番茄晚疫病是番茄上的重要病害之一。发生最普遍、危害最重的病害。主要危害叶片和果实,甚至危害茎部和叶柄,苗期至成株期均可染病,导致减产20%-30%,严重时绝收。特别是连茬种植的土地,发病逐年严重。本文根据实践经验,对病害发生和流行的主导因素以及在防治上采取综合方法进行了总结和概括。番茄果实营养丰富,可生食、煮食、加工番茄酱或国水果罐头收藏,凭借其特殊风味在中国南北方广泛栽培。番茄含有 Late blight of tomato is one of the important diseases on tomato. The most common and damaging diseases occur. The main hazards of leaves and fruits, and even endanger the stems and petioles, seedlings to adult stage can be infected, resulting in cut 20% -30%, in serious cases. Especially the continuous cultivation of land, the incidence year after year serious. Based on practical experience, this article summarizes and summarizes the dominant factors of disease occurrence and epidemic and the comprehensive methods of prevention and treatment. Tomato fruit is nutritious and can be eaten raw, cooked, processed tomato paste or canned fruit, with its special flavor widely cultivated in northern and southern China. Tomato contains