番茄溃疡病近几年来发病呈上升趋势，尤其是保护地环境条件适宜，果实极易发生此病，如不防治，会给番茄造成不同程度的减产，必须引起人们的重视，现将其发病规律及防治方法简述如下。一、发病症状番茄的幼苗、叶片、茎秆、果实等均可能发生此病。幼苗发病时，先从叶片的叶绿 In recent years, the incidence of tomato canker ulcer is on the rise, especially for the suitable environmental conditions in the protected area. The fruit is extremely prone to the disease. If not, it will cause different degrees of yield reduction for the tomato and must pay attention to it. And prevention methods are summarized as follows. First, the symptoms of tomato seedlings, leaves, stems, fruits and so may occur the disease. Seedling incidence, leaf green leaves from the first