How to select volvariella volvacea? How to cultivate it?

Now there are more and more kinds of dishes on the table, fungus food is welcomed by many people, such as straw mushroom is loved by people, its vitamin content is high, can promote human metabolism, improve immunity, but also taste excellent. If you plan to grow straw mushrooms, how to choose the strains? How to cultivate it? The editor will tell you in detail below.

How to select volvariella volvacea?

The main results are as follows: 1. The excellent volvariella volvacea strains were produced in forage medium for the winter (10-15 ℃). After overwintering, those who were proved to be high quality and high yield in advance were obtained by tissue separation method, and the mother species (grade species) were obtained to continue to expand the culture and supply the production and use in the same year.

2. The mycelium of volvariella volvacea is transparent, silver-gray and evenly distributed, and the thick chlamydospores with reddish brown on the surface are normal strains, and the mother species, original species and cultivated species of volvariella volvacea are more, generally speaking, the fruiting body is smaller after mushroom production, on the contrary, the fruiting body is larger.

3. If the mycelium of silver-gray volvariella volvacea is mixed with white linear hyphae, followed by fish-like particles and yellowish brown for a long time, it may be mixed with small sclerotia; if the mycelium in the bottle is too dense and white, it may also be mixed with miscellaneous bacteria, should be eliminated.

4. If the hyphae in the bottle gradually disappear and mite-eating plaques appear, which means that there are mites, the mycelium in the bottle has shrunk and water-stained liquid appears, and those with fishy smell can not be used.

5. The bacterial age of volvariella volvacea is about 18 days, and it is best not to choose more than 30 days.

Second, how to cultivate straw mushroom?

1. The suitable period for cultivation

Early sowing of volvariella volvacea is not conducive to growth because of low temperature, and too late sowing affects the production of vegetables in autumn and winter. After the production of vegetables in winter and spring, the garden can be cleaned, disinfected in greenhouse, fumigated with sulfur and treated with dichlorvos or trichlorfon at the same time.

2. Nourishment treatment

The cultivation material of straw mushroom should be fresh, dry and mildew-free, expose for 2 to 3 days before use, then mix well according to 100 kg of wheat bran and 10 kg of lime and put it into the pool, cover the upper part tightly with plastic film, and fish out after fully soaking for 24 hours and 36 hours.

3. Cultivation methods

(1) arrangement: the cultivated border of volvariella volvacea is north-south, with a width of 1 meter, and its length depends on the width of the shed. The depth of the border is 8-10 cm, and the distance between the border is 30-50 cm. The soil dug the border is temporarily placed on the ridge.

(2) paving material: the soaked culture material is laid in the shape of turtle back in the border, or wavy shape, with a ridge thickness of 15 cm, a thickness of 5 cm on both sides, and a material of 15 kg / m2.

(3) sowing: break the cultured bacteria into 1 cm square pieces, use hole sowing method, hole spacing 8 cm 10 cm, evenly sow the bacteria into 1 cm deep material, each hole sow 10 grams of bacteria, and then cover the soil on the ridge on the culture material.

(4) covering soil: do not use clay and sand, do not be too dry and too wet, the thickness of the covering soil is 1 cm thicker than the material ridge, and the material ditch is 3-5 cm thick, then use a sterilized wooden stick with a diameter of 2 cm, and the distance between the eyes is 10 cm. The depth of the hole should be made through the material.

4. Cultivation and management

(1) temperature: 1-2 days after sowing, the material temperature was kept at 35-38 ℃ by removing the film, and the air temperature in the greenhouse was kept at about 35 ℃.

(2) humidity: 3-4 days after sowing, the mycelium is basically full, and 2% lime water can be sprayed once when the air in the ventilation shed is insufficient.

(3) ventilation: ventilation for 15-20 minutes at noon every day during mycelial growth and 20 minutes for 2-3 times a day during fruiting body growth.

(4) Illumination: volvariella volvacea can grow normally without light, the shed should be covered with grass, and the light should be scattered light.

(5) pests: the main pests are mites, mushroom flies and golden needle worms, which can be sprayed with 80% dichlorvos EC 800-1000 times.

5. Timely harvest

Straw mushrooms are generally oval in the shape of a pagoda at the top, the mushroom body is full and smooth, the hand pinch becomes slightly soft, the color changes from dark to light, the capsule is not broken, and the cap and stalk are not protruding.

Friends who have eaten straw mushrooms probably know that it tastes good, not only good-looking and delicious, but also relatively high nutritional value, so it is loved by people, and there are more people who grow it. If you want to plant it, you have to choose high-quality strains. In addition, the editor also shared some cultivation techniques of volvariella volvacea to you in detail, hoping to be helpful to you.

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