【摘 要】
：
一、发生原因番茄灰霉病由葡萄孢菌侵染所致 ,主要侵害果实。该病在苗期及成株期均可侵染。子叶感病开始褪绿发黄 ,逐渐变褐色坏死 ,表面生灰霉。真叶病斑呈“V”字形 ,由叶
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一、发生原因番茄灰霉病由葡萄孢菌侵染所致 ,主要侵害果实。该病在苗期及成株期均可侵染。子叶感病开始褪绿发黄 ,逐渐变褐色坏死 ,表面生灰霉。真叶病斑呈“V”字形 ,由叶缘向里扩展 ,高湿时病斑上也产生灰褐色霉层。病株易折断 ,呈水浸状腐烂 ,也形成霉层。果实发病多由花器
First, the causes of Botrytis cinerea caused by Botrytis infection, the main fruit damage. The disease can be infected at seedling and adult stage. Cotyledons began to chlorotic pale yellow, gradually brown necrosis, the surface of gray mold. True leaf spot was “V” shape, extending from the leaf margin to the inside, when the wet spots also produce gray brown moldy layer. Sick strains easily broken, was flooded rot, but also the formation of mold layer. Fruit disease and more by the flower
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