桑椹白果病是菌核病的俗称,是桑果主要病害,发病严重时,可造成桑果颗粒无收。病原物为核盘菌,菌核病的初侵染源主要是混有菌核的土壤、染病残枝落叶和堆肥。在温、湿度适宜条件下,菌核萌发长出子囊盘,子囊盘散发出子囊孢子,随气流传播,侵染雌花、青果及早生桑的新梢和嫩芽。孢 Mulberry Ginkgo biloba is commonly known as sclerotinia, mulberry fruit is the main disease, when the disease is serious, can cause mulberry fruit particles confiscated. The pathogen is Sclerotinia sclerotiorum, primary source of sclerotinia infection is mainly mixed with sclerotial soil, infected stumps and compost. Under suitable conditions of temperature and humidity, the sclerotia of the sclerotia grew out of the ascosporidium, and the ascosphere exuded ascospores and spread with the air flow, infecting the new shoots and shoots of female flowers and young fruits as early as possible. spore