霉病由灰葡萄孢菌侵染所致，属真菌病害，花、果、叶、茎均可发病。果实染病，青果受害重，残留的柱头或花瓣多先被侵染，后向果实或果柄扩展，致使果皮呈灰白色，并生有厚厚的灰色霉层，呈水腐状，叶片发病从叶尖开始，沿叶脉间成“V”形向内扩展，黄褐色，边有深浅相间的纹状线，病键交界分明。 灰霉病病苗色浅，叶片、叶柄发病呈灰白色，水渍状，组织软化至腐烂，高湿时表面生有灰霉。幼茎多在叶柄基部初生不规则水浸斑，很快变软腐烂，缢缩或折倒，最后病苗腐烂枯死。
毛霉病 mucormycosis
灰霉病 Botrytis cinerea ; Botrytis ; [植保] grey mould
霜霉病 [植保] Downy Mildew ; Peronospora tabacina ; Peronospora aestivalis ; Bremia lactucae
曲霉病 aspergillosis ; aspergillus disease ; Aspergillomycosis ; pulmonary
灰霉病菌 Botrytis cinerea ; Bacteria cinerea ; Botrytis cinerea Pers
地霉病 geotrichosis
肺毛霉病 pulmonary mucormycosis
青霉病 penicilliosis ; blue mould ; Penicillium italicum ; penicilliosis marneffei
黄瓜霜霉病 cucumber downy mildew ; Pseudoperonospora cubensis ; Pseudoperonospora cub ; downy mildew of cucumber
研究了多粘芽孢杆菌对油桃的青霉病的抑制作用。
The inhibition effects of Paenibacillus polymyxa on penicilliosis of nectarine after harvest were studied.
霜霉病可能很严重。
结果表明，大麦赤霉病抗性除了抗初侵染类型外还存在抗扩展类型。
The result showed there is the resistance to spread as well as to initial infection of Fusarium head blight in barley.
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