番茄溃疡病对番茄危害大,损失重,且难以根除,是一种毁灭性病害,已列为国内检疫对象,近年在东北、华北地区局部发生,造成很大损失,防治技术要点如下。1.症状特点叶、茎、果均可受害。幼苗染病,可快速枯萎死亡。成株期发病时先在植株下部叶片向上纵卷,并凋萎下垂,后叶部边缘及叶 It is a kind of devastating disease which has been listed as a domestic quarantine object. It has occurred locally in northeast and north China in recent years, causing great losses. The main technical points of prevention and treatment are as follows. 1. Symptoms characteristics leaves, stems, fruits can be harmed. Seedlings infected, can quickly wither death. When the onset of adult plants in the lower leaves of the first vertical roll, and wilt sag, after the leaf edge and leaves