Prevention and control of diseases of edible fungi, occurrence and control of spot disease of edible fungi cover

First, symptom manifestation

The surface of mushroom cover was uneven at the initial stage of the disease, and then showed round or irregular spots. When the humidity is high, the diseased mushrooms have white fruiting bodies on the bed, and the serious bacterial folds adhere together.

II. Routes of transmission and conditions of onset

The disease is generally brought into the mushroom house by covered soil and spread by airflow. When the relative humidity of the air in the mushroom room is higher than 95%, it is conducive to the occurrence, development and spread of the disease.

III. Prevention and control methods

1. After the disease, the ventilation of the mushroom room should be strengthened, the air humidity of the mushroom room should be reduced, and the spread of the disease should be prevented.

2. After the onset of the disease, the diseased mushrooms should be excavated in time and centralized treatment should be carried out to eliminate the source of infection.

3. In the early stage of the disease, 50% carbendazim wettable powder 500 times liquid or 70% methyl thiophanate wettable powder 600 times liquid or 60% Fangmaibao 600 times solution can be sprayed for effective prevention and treatment. (source: agricultural Technology Service Station / Feng Guomin, Longma Town, Da'an City, Jilin Province)