The culture room should be regularly checked and fumigated. When making strains, test tubes should be plugged with cotton balls, and a layer of kraft paper should be breaded to prevent pests from invading. If the strain has found pests, it must be treated by fumigation or freezing at low temperature, and it can be used only after it is determined that the pests have died.
After harvesting the mushrooms, carefully clean the material, remove the roots and rotten mushrooms, and bury them concentratedly. Fumigation and disinfection (including racks, tools, etc. used for mushroom cultivation) should be carried out in the old cultivation room with severe disease. The method is: fumigation with 80 ml of formalin and 40 g of potassium permanganate per cubic meter of volume. The container containing potassium permanganate should be deeper and its volume should be larger than the total amount of formalin required. More than 40 times. During fumigation, the cultivation room should be closed. After two days, the doors and windows should be opened for ventilation, and the bacteria bags should be sent in after 24 hours. Sulfur fumigation can also be used, the amount is 5 grams per cubic meter, and it should be fed for two days after being sealed for 48 hours.
After harvesting 3 ~ 4 stubble mushrooms, clear the block in time, and stay away from the mushroom house for high temperature compost fermentation or spraying to prevent pests from breeding in the waste. It is strictly forbidden to place new and old culture blocks in the same mushroom house to prevent pests from spreading to the new mushroom blocks. In addition to fumigation and secondary fermentation, the soil-covering materials also need to be treated with high temperature or chemicals. Proper watering, especially to avoid direct spraying on the mushroom body. Excessive watering and excessive humidity in the mushroom bed and mushroom house will cause mycelium and mushroom buds to rot and easily breed pests.
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