The main reasons for the serious infection of Pleurotus eryngii are:
1. The raw material is mixed with raw materials infected by bacteria.
2. Insufficient sterilization time, stop fire and gas in the sterilization process.
3. The bacteria bag inside the sterilization stove is too tight.
4. When the raw materials are made of wood chips, corn cobs and other hard materials, the material is not absorbed, and the material is green, and it is easy to be incompletely sterilized.
5. When the pressure cooker is sterilized, the cold air is not exhausted, resulting in incomplete sterilization.
Control method:
1. Raw materials should be fresh, mold-free raw materials, and no moldy materials can be added.
2. Continue to sterilize the fire for 10 to 12 hours after the water is opened.
3. Leave a space of about 1 cm between the rows of bacteria in the sterilized stove and between the rows and the rows.
4. When using corn kernels, wood chips and other hard materials as the cultivation materials, it should be soaked in water before the mixing without white heart.
5. When the pressure cooker is sterilized, the exhaust valve must be opened when the pressure reaches 0.05 MPa, and the exhaust air valve is fully exhausted before the exhaust valve is sterilized.
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