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保护地韭菜,多处于冬季低温高湿条件下,常发生灰霉病危害。发病轻时叶片上布满白色或灰褐色斑点,发病严重时全叶或半叶枯焦腐烂,甚至导致全棚绝产绝收。为控制曰益加剧的危害,提供有效、准确、实用的防治技术,除加强控制浇水期和浇水量等栽培管理措施外,药防技术也是不能忽视的一个方面。
Protection of leeks, mostly in the winter conditions of low temperature and humidity, often gray mold hazards. When the incidence of light leaves covered with white or taupe spots, the incidence of severe whole leaf or half leaf Kujiao decay, and even lead to absolute rejection of the whole shed. In order to control the increasing harm, provide effective, accurate and practical prevention and control technologies. In addition to strengthening cultivation and management measures such as control of watering period and watering amount, the anti-drug technology is also an aspect that can not be ignored.