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目前保护地番茄生产中为害最重的病害为叶霉病、灰霉病、病毒病等。尤其番茄灰霉病直接为害番茄果实,产生大量烂果。保护地番茄的主要虫害为蚜虫及美洲斑潜蝇的为害。1病害识别与防治技术1.1病害识别与发生条件1.1.1番茄叶霉病症状:主要为害叶片,严重时也为害茎、花、果实等,叶片被害后,叶面呈现圆形或不规则形淡黄色褪绿斑;叶背面长出灰褐色至黑褐色绒状霉层。发病条件:在高湿栽培条件下易发病。
At present, the most harmful diseases in tomato production in protected areas are leaf mold, gray mold, viral diseases and the like. In particular, tomato gray mold directly affects the tomato fruit, resulting in a large number of rotten fruit. The main tomato pests in the protected area are the aphids and the leaf miner. 1 disease identification and prevention and treatment technology 1.1 disease identification and the occurrence of conditions 1.1.1 tomato leaf mold symptoms: the main damage to the leaves, also severely damage the stems, flowers, fruits, etc., leaf damage, the leaves appear round or irregular shaped pale Yellow faded green spot; leaves on the back grow taupe to dark brown velvet mold layer. Disease conditions: prone to disease in high humidity cultivation conditions.