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灰霉病是近年来为害保护地多种蔬菜的重要病害之一。该病发生早,主要危害番茄叶、花、茎和果实,常引起大量落花落果,对番茄产量和品质影响很大。一、症状幼苗和成株期均可受害。叶片受害,多自叶尖开始形成“V”字形病斑,向内扩展,初呈水渍状,浅褐色,边缘不明显,后期干枯,表面生灰色霉层。果实受害,多以青果为主;病果失绿
Botrytis cinerea is one of the most important diseases of many kinds of vegetables damaged in recent years. The disease occurred early, the main harm to tomato leaves, flowers, stems and fruits, often causing a lot of flowers and deciduous fruit on the yield and quality of tomatoes great influence. First, the symptoms of seedlings and adult stage can suffer. Leaf damage, more from the tip began to form “V ” shaped lesion, inward expansion, initially showed water stains, light brown, the edge is not obvious, late dry, gray mold surface layer. Fruit damage, mostly dominated by green fruit;