番茄叶霉病是一种世界性的病害,1931年在我国台湾即有报道。在上世纪50年代开始在我国大陆地区开始有零星发生,至80年代以后随着保护地栽培面积的扩大,番茄叶霉病在棚室番茄内的危害日趋严重,成了影响制约保护地栽培番茄高产的重要因子。症状识别。番茄叶霉病主要危害叶片,严重时也危害茎、花和果,但田间组织很难见到。番茄感染叶霉病后,病叶出现不规则或椭圆形褪绿斑,叶背病斑 Tomato leaf mold is a worldwide disease, which was reported in Taiwan in 1931. In the 1950s, China began to sporadically occur in mainland China. Until the 1980s, with the expansion of protected cultivation areas, the damage caused by tomato leaf mold in greenhouse tomatoes became more and more serious. Important factor for high yield. Symptom recognition. Tomato leaves mold the main hazards of leaves, also endanger the stems, flowers and fruit in severe cases, but the field organization is difficult to see. Tomato leaf mold disease, the diseased leaves irregular or oval faded green spot, leaf spot disease