Pearl oyster mushroom, also known as slippery mushroom, slippery mushroom, has high nutritional value, good taste, and large market demand. It is a kind of edible mushroom with great development potential. Pollution-free cultivation of pearl mushrooms should choose leeward sunny, there are irrigated conditions, well-ventilated plots to build a shed. The floor of the shed is required to be dry, tidy, securely framed, and completely sterilized inside the shed.
1. Culture formula:
1 Corn heart (crush) 80%, Fresh rice bran (or wheat bran) 19%, Gypsum powder 1%.
2 86% of wood chips, 12% of fresh rice bran (or wheat bran) and 2% of corn flour.
3 25% wood chips, 65% corn, bran 9%, light calcium carbonate 1%. The formula above is the main ingredient and the insecticide is properly added during production. The water content is adjusted to 65% to 68%.
2. Bag inoculation: The plastic bag is made of low-pressure polyethylene bag, 45 centimeters and 45 centimeters in size, with both sides folded and sealed. The plastic bag should be filled with elastic material. The dry material contained in each bag should not be less than 2 kg and the bagging height should be 16 cm. Atmospheric pressure sterilization, the temperature reaches 100°C for about 16 hours. When the feed temperature drops to about 30°C, it can be inoculated. In the sterile box, the bacteria species are uniformly sprinkled on the surface of the material, and the air in the bag is discharged, and the mouth is tied. Move to a sterilized cultivation site and pile it up in the shape of a “productâ€.
3. Fungal period management: The germination period management is mainly temperature management, so that the mycelium grows under the proper conditions as soon as possible, and the surface of the culture material is occupied as soon as possible to inhibit the growth of the bacteria. Due to the large temperature difference between the upper and lower stacking culture materials, the upper and lower exchange positions are repeated every 7-10 days, so that the bacterial growth rate is the same. When the temperature rise is not conducive to the growth of mycelium, attention should be paid to ventilation and reduce the temperature. During the color change, the temperature is maintained at 20 to 25°C. Ventilate once a day early or late to increase fresh air in the shed.
4. Mushroom management: When the temperature drops below 25°C, enter the mushrooming period. At this time, use a knife to draw a circle along the edge of the top surface of the bacteria, remove the top cover of the plastic bag, and use the disinfected saw blade. Draw several small 2cm deep seams and perform moisture management. Water management is the key measure to increase production. In order to ensure the fruit body's growth and development needs of water, it can spray water to the bacteria lightly, so that the water content of the culture material gradually reaches about 90%. Pressing the finger to press the material can press water out. should. When the white primordium appeared on the culture material and it gradually became a mushroom bud, the water spray was stopped. In order to gradually reduce the moisture content of the culture material to 70% to 75%, the relative humidity of the air is 85% to 95%, and the surface of the culture material is kept moist and not dry. The air should be kept in circulation and fresh, but the wind should be prevented from blowing directly onto the cultivation block.
5. Timely Harvest: Pearl oyster mushroom is now at 10 ~ 15 °C under the original base, after 7 ~ 8 days can be harvested. Harvesting should be conducted in accordance with export export quality standards or commodity sales standards. When the mushroom body on each of the pieces has reached the harvesting standard, it must be harvested once. When harvesting, use the thumb, forefinger, and middle finger to hold the base of the mushroom handle to loosen and lift it. Do not pull it out to avoid the mycelia. After harvesting, the bacterial surface should be promptly cleaned up, roots should be removed, and the culture blocks should be covered with a thin film, cultivated for 5-7 days, and then managed according to the above methods to harvest the next pearl mushroom.
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