韭菜灰霉病是韭菜上一种常见且比较难防治的真菌性病害,近几年,尉犁县由于连年栽植韭菜,灰霉病发生频繁,成为危害韭菜生长的主要病害。不论陆地栽培还是棚室栽培都普遍发生。尤其对保护地栽培的韭菜危害十分严重,造成韭菜产量下降,品质低劣,商品价值很低。一、病害症状病害主要发生在叶片上,初期叶面上生白色至浅褐色的小点,一般正面多于叶背面,斑点扩大后呈 Leek Botrytis cinerea is a common and more difficult to control chives fungal disease, in recent years, Yuli County planting leeks due to year after year, gray mold occurred frequently, becoming the main disease endangering the growth of leeks. Both land cultivation or greenhouse cultivation are common. In particular, the protective cultivation of chives is very serious harm, resulting in decreased production of chives, poor quality, low value of the commodity. First, the disease symptoms Disease occurs mainly in the leaves, the initial leaf surface white to light brown dots, generally positive than the back of the leaf, the spots were expanded