灰霉病的绿色防控技术

• 作 者: 王迪轩 徐红辉
• 机 构: 湖南省益阳市赫山区蔬菜局,
• 出 处: 农药市场信息
• 发表日期: 2015年04期
• 关键词: 灰霉病菌 防控技术 楔形 症状识别 烟雾剂 土壤传播 多抗霉素 可湿性粉剂 乙烯菌核利 变温管理

灰霉病是蔬菜主要病害之一,可为害番茄、茄子、青椒,也可为害黄瓜、菜豆、莴笋、莴苣、芹菜和草莓等作物。一、症状识别花、果、叶、茎均可感病。叶片发病,多由小叶顶部开始,沿支脉之间成楔形(或V字形)发展,由外及里,初为水渍状,病斑展开后呈黄褐色,边缘有深浅相间的纹状线,界限分明。果实发病,青果由残留的花瓣、柱头或花托受侵染发病,分别向果实和果柄扩展。病斑沿花托周围逐渐蔓延至果面,致整个果面呈灰白色,上

Botrytis cinerea is one of the major diseases of vegetables, which can damage tomatoes, eggplants, green peppers, cucumbers, beans, lettuce, lettuce, celery and strawberries. First, the symptoms identified flowers, fruit, leaves, stems can be susceptible. The incidence of leaves, mostly from the top of the leaflets, along the branch into a wedge-shaped (or V-shaped) development, from outside and inside, the beginning of the water-like lesions developed yellowish brown, the edge of the shades of lines, Clear boundaries. Fruit disease, green fruit from the residual petals, stigma or receptacle affected by infection, respectively, to fruit and fruit stalk extension. Lesions along the torus gradually spread to the fruit surface, causing the entire fruit was gray, on