At present, cultivation of Pleurotus nebrodensis is mainly cultivated with cottonseed hulls as the main material, and development of Pleurotus ostreatus in non-cotton areas is difficult. The authors found through experiments that the use of corn whole plant cultivation Pleurotus biological efficiency of up to 80% to 90%, and cottonseed husk cultivation yield, cost reduction of about 50%. The technical points are as follows.
1. Strain production. The original formula: 98% corn, 1% gypsum, 1% sucrose. Corn kernels are boiled in boiling water for 30 minutes, drained and drained, mixed with gypsum and sugar, bottled and sterilized, and inserted into the parent species. After the mycelium grows over the bottle, it is ready for use. Cultivated species formula: corn cobs 87%, rice bran 10%, gypsum powder 1%, compound fertilizer 1%, lime 1%. Corn cobs were first soaked in lime water with a pH of 10 to 12 for 12 hours. The mixture was filtered until it did not drizzle and was mixed well with other excipients. After bottling (bags), sterilization, and inoculation, the culture was incubated at room temperature 20- 25 days. Mycelium full bottle, white, thick, thick after sowing hyphae eat fast, high yield.
2. Cultivation bag. Formula: Crush corn stover (0.6-0.8 cm long) 75%, corn kernel 20%, lime 3%, sugar 1%, salt 1%. Exposure of corn stalks for 2 to 3 days, smashing and sieving; corn kernels soaked in clean water for 10 to 12 hours. Mix the ingredients of the formula, add water and mix well, the ratio of material to water is 1:1.2 to 1.4, stack into 1.2-1.5 meters wide, 1-1.2 meters high, unlimited length of the stockpile, coated and fermented for 7 days. During the turn of 2 or 3 times, adjust the moisture content to 60%, then you can bag.
3. Sterilized culture. Sterilization was carried out in situ using a diesel drum steam and started with a fire for 3 to 4 hours so that the temperature in the bag reached 100°C and maintained for 16 hours. When the temperature dropped to 30°C, inoculate in situ. 40 grams (wet weight) of each accession cultivar, shade culture, closed doors and windows, room temperature control at 25 °C. 35 to 40 days mycelium can be full bag, continue to culture for 40 days, so that the hyphae reach a physiological maturity. During ripening, there must be moderate light stimulation to promote hyphae kinks.
4. Mushroom management. Develop good bags and make mushrooms in batches. If the sales are fresh, the bag-free vertical cover soil cultivation method is adopted; if the fungi processing enterprise purchases, the bigger the mushroom body, the better. The trapezoid wall type cover soil cultivation method can be adopted, and the temperature is controlled at 8°C-20°C. In the evening, the covered film and straw curtain were peeled off and given low-temperature stimulation. During the day, they were stimulated by scattered light to promote their budding. Inside the bag, when the original gram reaches the soybeans, the mouth is released, the size of the beans is released, and the table tennis is opened. The temperature is maintained at 12°C to 20°C, and the relative humidity is 85% to 90%. Every morning and afternoon, the doors and windows are opened for ventilation. In minutes, keep the air fresh inside the shed.
5. Harvest processing. Bailing mushroom takes about 12 days from harvest buds to harvest. Before harvesting, stop spraying for 1 day to reduce the humidity in the shed to improve the quality of the mushrooms. After harvesting, the water was stopped for 5 days, and the bags were cleaned. According to conventional management, 2 tidal mushrooms could be harvested. (This article was provided by Han Zhaozheng, Institute of Edible Fungi, Binhai County, Jiangsu Province; 0515-4103012 0515---2082212 13851113822)
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