Shiitake is delicious and nutritious. It is an essential part of people's dining table. Its fruiting period lasts three seasons in autumn, winter and spring. It is a long period, and the first month is a crucial period for mushrooming. Winter management is very important. Li Manxia, ​​a former researcher at the Vegetable and Flower Research Institute of Northwest Agriculture and Forestry University, said that key technologies for winter management of shiitake mushrooms started from the following aspects:
Chamber culture
It takes two months for mushrooms to mature from physiology. After inoculation, they were promptly moved into the bacterium room for culture. The bacteria bags are “well†shaped, with 8-9 floors high. The room temperature is controlled at about 25°C and the relative humidity is less than 70%. 1-6 days after inoculation, the hyphae were in the recovery and germination stage, and the room temperature was controlled between 28°C and 30°C. During this period, the bacterial bags could not be turned and no ventilation was required. The sunshades caused dark light. After 7-10 days of mycelial growth began to eat, the room temperature was lowered to 26°C-28°C, ventilation was conducted 2-3 times a day, and the first turning was performed in 7 days. The piled up bags were changed from top to bottom and inside and outside, so that each Each bag can be managed under the same conditions.
Conversion period management
After the physiological maturity of mycelium, from white to reddish-brown, and the appearance of yellow waterdrops, followed by the original mushroom base, mushroom mushroom mycelium turning sooner or later and good or bad, related to mushrooming sooner or later and yield levels. During the color change period, indoor astigmatism should be increased and ventilation should be strengthened. When the film is opened, the cover should be opened to form a dry, wet and wet environment and promote color conversion.
Outdoor shiitake mushrooms
Mushrooms are low-temperature warming mushrooms. When the bag turns into a reddish-brown pellicle, the bag is moved to the shade on the outside, covered with wheat straw mats, moistened with water, covered with film at night, uncovered during the day, and repeated for 4-5 days. Hush mushrooms.
Mushroom management
Falling temperatures in autumn and winter are conducive to robust growth of mycelium. After 3 days, the mushroom bags will be picked once a day and put into the mushroom bed frame. The distance between the bags is 7-10 cm until the mushrooms are all over. After the bacteria bag is placed in the bed frame, the film is cut around the mushroom bud with a sharp knife to carry the mushroom. Generally, mushrooms are not covered in the film within 7-10 days, and when the size of peanut seeds is in the young mushrooms, they can be promoted.
Temperature control
The relative humidity in the bag is kept at 80%-90%, the temperature is kept at 12°C-18°C, and there is more astigmatism and good ventilation. Cover the film during the day to make the sun shine, increase the temperature of the mushroom shed to 28°C, open the film after 12 o'clock at night, allow the cold air to invade, and the temperature difference between day and night can reach above 10°C. For 3-4 consecutive days, it can stimulate mushroom buds. Extensive. When the temperature is changed and the buds are growing, when the mushroom body grows to 2-3 cm, it can be splashed on the surface at noon on sunny days to accelerate the growth of fruiting bodies. Then, the film is opened at night and stimulated by cold air to dry the cap and then cover the film. On the ground, the use of ground temperature and wet mix, wet and dry staggered, and promote the split of the cap into the flower-shaped mushroom.
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