本文介绍菌核病的病原菌及其生活史。它是红花的常见病害,发病率一般为2—6%。为害时期在4月初开始,从中心株向周围扩散。发病与3—4月阴雨天多有关。采用一般农业措施可以防治。 This article describes the pathogens of sclerotinia and their life history. It is a common disease of safflower, the incidence is generally 2-6%. Victims began in early April and spread from the center to the periphery. The incidence of 3-4 months with more rainy days. The use of general agricultural measures can prevent and cure.