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水仙大褐斑病是一种世界性病害.我国漳州、祟明均有发生。近年来我省舟山地区水仙大褐斑病发生为害较重,病情指数39～95.该病主要为害叶部,形成近椭圆形的褐色斑点,后来发展为褐色条斑.发病重的植株比正常植株提前30—40天枯死.每亩减产损失约60—150元.病原菌鉴定为水仙壳多孢Stagonspora curtisii(Berk)Sacc..本文是水仙大褐斑病在浙江省的首次报导.
Daffodil spot is a worldwide disease, Zhangzhou, Zengming have occurred. In recent years, the Zhoushan area in our province, Daphnia magna Occurred heavier, the disease index of 39 to 95. The disease mainly leaves damage, the formation of nearly oval brown spots, and later developed into brown streaks. The incidence of heavier plants than normal The plants died 30-40 days ahead of schedule.The yield loss per mu was about 60-150 yuan.The pathogen was identified as Stagonspora curtisii (Berk) Sacc.The article is the first report of Narcissus grandis in Zhejiang Province.