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一、病害的严重性与田间识别 1、常年发病率及为害程度大蒜(Allium sativum L)灰霉病近年在武汉郊区逐年严重发展。神农架及三峡地区作物种质资源考察队蔬菜专业组从神农架及长江三峡地区,采集大蒜品种资源200余份,在本校菜圃种植观察,在1987～1988年,灰霉病发病率50～80％,在1988～1989年,高达90％以上,当地栽种品种,如吉阳大蒜,发病也有逐年严重趋势,极大地影响大蒜的产量和品质。
First, the severity of the disease and field identification 1, perennial incidence and degree of harm Garlic (Allium sativum L) gray mold disease in recent years in the suburbs of Wuhan serious development. Shennongjia and the Three Gorges region of vegetable germplasm research team of vegetable specialty group from Shennongjia and the Three Gorges of the Yangtze River, more than 200 parts of garlic species collected in our school planting observation, from 1987 to 1988, gray mold incidence of 50 to 80% In 1988 ~ 1989, up to 90% or more, local cultivars, such as Ji Yang garlic, the incidence of serious trends year by year, greatly affecting the yield and quality of garlic.