Key points of cultivation techniques of volvariella volvacea
Volvariella volvacea has delicate meat and delicious taste. Because it is a high-temperature edible fungus, it is on the market at the height of summer, which is the off-season of other mushrooms and vegetables, so it is favored by consumers.
The production method of volvariella volvacea is simple, and the production cycle is short (10-20 days). It is a kind of mushroom with low cost and high benefit. The main cultivation techniques of volvariella volvacea are introduced as follows:
1. The optimum temperature for mycelial growth of volvariella volvacea in cultivation season is 28 ℃ ~ 38 ℃. The optimum temperature for fruiting body growth was 28 ℃ ~ 33 ℃. In the selection of off-season cultivation time of volvariella volvacea, it is close to but still lower than the normal temperature of volvariella volvacea, which is generally cultivated in the period from mid-April to late June or from September to early October. In the process of cultivation, it is necessary to adjust the temperature in time according to the temperature requirements of fruit body growth.
The cultivation of volvariella volvacea can be combined indoors and outdoors. Indoor cultivation can be cultivated in spare rooms and mushroom rooms, and outdoor cultivation can be divided into small arch shed and greenhouse cultivation. No matter which way you choose, you should meet the requirements of sunshade, windproof, heat preservation and humidification.
Third, the raw materials and preparation of cultivation raw materials are mainly waste cotton or cottonseed shell. When indoor cultivation, spread 10 cm thick fresh straw on the bedstead, and then cover with waste cotton or cottonseed shell for cultivation. When cultivated with waste cotton, soak the waste cotton one day before sowing and absorb enough water. Cotton husk should also absorb enough water, mix in 5% quicklime and accumulate for 24 hours. The treatment of the culture waste should be as follows: scraping off the overlying soil layer 1-2 weeks before sowing, ventilating and drying, pouring PH=8.5 lime water before the new raw material into the bed, so that the culture material can absorb enough water. When cultivated indoors, the moisture content of the culture material should be 5: 6 drips by hand, and the water content is about 65% and 70%.
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Cultivation Season and Strain Selection of Volvariella volvacea
1. The optimum temperature for mycelium growth and fruiting growth of Volvariella volvacea is 30℃~35℃ and 28℃~30℃ respectively. It takes more than one month from stacking to fruiting, which is the mushroom with higher temperature requirement and shortest growth cycle among the edible fungi cultivated artificially at present. According to the temperature requirements and different cultivation conditions of Volvariella volvacea, the appropriate cultivation period can be selected. Second, the selection of strains according to the actual situation in various places to select high-quality and high-yield varieties is very important. The selection criteria of varieties were high yield, good quality and strong stress resistance.
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There are new ways to cultivate volvariella volvacea in summer.
Straw mushroom is the only high-temperature fast-growing variety of edible mushroom, which is mainly cultivated with rice straw and wheat straw. The summer cultivation techniques are introduced as follows: the preparation of the mushroom bed is set in the plastic greenhouse, and the plastic greenhouse is covered with film and grass to keep warm and moisturizing. Mushroom bed width of 1 meter, unlimited length, mushroom bed spacing of 30 cm, not only can be used as a sidewalk, but also can be used as a storage ditch. Dig a sunken mushroom bed horizontally on the border, the mushroom bed is 30 cm wide and 20 cm deep, leave 20 cm small soil ridges between the mushroom beds, and spray 0.2 into the mushroom bed.
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