在蔬菜病虫害防治过程中,出现药害现象是屡见不鲜的,而棚室黄瓜在各类蔬菜上,药害又首当其冲,发生相当频繁。一、棚室黄瓜药害的类型: 棚室黄瓜常见的药害症状有:①幼叶皱缩,难以伸展;②叶片黄化或失绿;③叶片呈现乳白色不规则斑点或坏死斑点;④生长点生长停滞,幼茎节间紧缩变短;⑤叶片扭曲下垂,严重的叶片干枯或整株死亡,这些药害均不同程度地影响 Pest control in the process of vegetables, there are common phenomenon of phytotoxicity, and greenhouse cucumbers in various types of vegetables, and bear the brunt of injury, occurred quite frequently. First, the greenhouse cucumber phytotoxicity types: greenhouse cucumber Common phytotoxicity symptoms are: ① young folds, difficult to stretch; ② leaves yellow or green; ③ leaves appear milky white spots or necrotic spots; ④ growth Point growth stagnation, internode shortening tight; ⑤ leaf twisting sagging, severe leaf dry or whole plant death, these injury are to varying degrees