Flammulina velutipes, also known as the small handle of the fire mushroom, mushroom, mushroom, etc., because of its slender stipe, like lily flower, it is called mushroom. Its caps are smooth, tender, crisp, nutritious, and delicious. Bacterial brown spot is the main cause of black mushroom blackheads and has a great impact on production. Diseased golden needle mushroom will greatly affect the quality of its products.
First, the occurrence of the disease The internal cause of the disease is the disease resistance of the species, the external cause is high temperature, high humidity or spray clean water to bring bacteria to the fruiting body, such as the surface of the cap for a long time there is water droplets or humidity is too large Conducive to the occurrence of the disease, poor ventilation can aggravate the development of the disease, moderate temperature conditions for the disease.
Second, prevention and control measures 1, keep the mushroom farm clean and timely removal of mushrooms and waste; mushroom room, bed frames, utensils, etc. before use with 1:50 times the Venus disinfectant or 2% of the bleach and other thorough disinfection, especially The diseased mushroom shed was heavier. 2. When the ingredients are mixed, the mold must be mixed with water in a ratio of 1:1000. The high-toxic, high-residue antifouling agents are not used to ensure the production effect. 3. The culture materials should be completely extinguished when cultivated. When cultured with bacteria, mushrooms, and mushrooms, the culture materials should be fully fermented, evenly cooked, and the earth-covered material can be sterilized with formaldehyde. 4. Flammulina velutipes control mushrooming room temperature is below 15 to avoid mushrooming in high temperature and high humidity season, strengthen ventilation and heat dissipation at high temperature, mushroom temperature should not exceed 18, if the temperature suddenly rises, take cooling Measures, such as opening the window, removing the film, shading, etc., but pay attention to the mushroom house temperature fluctuations can not be too large to prevent condensation of water vapor, resulting in water film. 5, found that mushrooms should be selected in addition, and immediately increase the ventilation, pause or reduce the water spray, quickly reduce the temperature, and medication to control the degree of disease, such as the material can be sprayed 5% of the lime water solution can also be sprayed 100-200 units of streptomycin per ml or 300 units of oxytetracycline, or 500-1000 times of bleaching liquid, once every 2 days, before and after application of the mushroom bed for 1 day, interval 3-4 days again Medication, continuous use more than 3 times, can effectively control the spread of the disease. When the disease is severe, you should first remove the mushrooms, clean the material surface or cover the soil before spraying according to the above method.
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