一种姬松茸菌床常见病害的病原菌分离鉴定  

Isolation and Identification of a Common Disease Pathogen of Agaricus blazei

作　　者：华蓉[1,2] 李建英 刘绍雄[1] 罗孝坤[2] 李雪松 熊永生 孙达锋 HUA Rong;LI Jian-ying;LIU Shao-xiong;LUO Xiao-kun;LI Xue-song;XIONG Yong-sheng;SUN Da-feng(Kunming Edible Fungi Institute of All China Federation of Supply and Marketing Cooperatives,Kunming 650221,China;Yunnan Academy of Edible Fungi Industry Development,Kunming 650221,China)

机构地区：[1]中华全国供销合作总社昆明食用菌研究所,云南昆明650221 [2]云南省食用菌产业发展研究院,云南昆明650221

出　　处：《中国食用菌》2022年第3期78-81,共4页Edible Fungi of China

基　　金：云南省重大科技专项计划(202002AE320003);云南省创新团队(202005AE160001)。

摘　　要：姬松茸栽培过程中有一种菌床易感染的常见病害,其主要特征为,播种后一周左右在菌床上开始出现,感染部位呈现灰色霉层,强光下可见浅桔色粉末状孢子层,通风不良、湿度大的情况下病害较为严重。通过病原菌分离,从3个病害样品中分别获得真菌菌株HMB-1、HMB-2和HMB-3。3个菌株长势和菌落形态基本一致,采用ITS序列分析对分离得到的菌株HMB-1、HMB-2和HMB-3进行鉴定,结果显示3个菌株均为粉红聚端孢菌,即姬松茸菌床呈灰色霉层感染的病原菌为粉红聚端孢菌。There was a common disease during cultivation of Agaricus blazei of which the main characteristics were,began to appear about a week after sowing,the infected area showed a gray mold layer,light orange powder spore layer can be seen under strong light,the disease was serious under the condition of poor ventilation and high humidity.The strains HMB-1、HMB-2and HMB-3 were isolated from three disease samples,and the growth tendency and colony morphology of the three strains were basically the same.The strains HMB-1、HMB-2 and HMB-3 were identified by ITS sequence analysis,the results showed that the three strains were all Trichothecium roseum,so the cause of gray mold layer during cultivation of A.blazei was T.roseum.

关 键 词：姬松茸 病原菌 粉红聚端孢菌 

分 类 号：S646.1[农业科学—蔬菜学]