一、发病症状: 被害蘑菇最初在菌盖及菌柄的表面发生褐色瘤肿,后逐渐增多,并在病菇表面形成一层白色霉。受害严重的蘑菇开始长出就呈畸形,成为一个不定形的白色团块。有些病菇的菌柄极粗,菌盖畸形,最后病菇皱缩、软化,病部常有褐色的粘液流出,具恶臭。 二、侵染来源: 由半知菌亚门疣孢霉属有害疣孢霉(蘑菇腐病菌)侵染所致。病菌初侵染 First, the incidence of symptoms: the victim mushrooms first in the cover and the stipe streaks of brown tumor, gradually increased after the mushroom surface and form a layer of white mold. The severely damaged mushroom began to grow abnormally and became an amorphous white mass. Some mushrooms stipe very thick, cap deformity, the final collapse of the mushrooms, softening, disease often mucus out of brown, with foul. Second, the source of infection: caused by the half-know Mycoplasma wart verrucin harmful verruca spore (mushroom fungus) infection. Early infection of bacteria