Problems in the Northeastern Shelter Hericium Bag Planting

Hericium is a precious fungus with good food and medicinal value. For dishes, tender, delicious, delicious and delicious. After several years of cultivation practices in greenhouses, I have the following experience for the reference of growers.
First, the venue selection
1, away from the source of pollution can reduce the infestation of mosquitoes and flies, can effectively prevent the occurrence and spread of pests and diseases.
2. The water near the water source Hericium can not use the moisture on the surface of the fruit body, relying on the air humidity to maintain the growth, and the water source is the necessary means to maintain the balance of air humidity. In addition, it is also possible to lay 10 cm thick furnace ash on the ground in order to conserve water and control pollution.
3. Convenient transportation and convenient transportation The timely supply of fresh Hericium to the market and transportation to the processing site is an indispensable option, so it is more appropriate to choose the suburbs.
Second, pay attention to bagging time and film selection
1. The bagging time is the temperature condition for the growth and development of the Hericium erinaceus fruit body. The bagging time is usually after mid-April and can be adjusted according to the latitude of the region. The Jiamusi region generally chooses to carry bags from late April to mid-May. After a period of bagging and budding management, fresh Hericium can be supplied to the market from late May to early August, allowing it to complete commercial production before the beginning of autumn.
2. Shed film selection Shelf film is generally selected black shading film. Hericium erinaceus fruit bodies can still grow normally under completely dark conditions, but too strong light will cause redness of fruiting bodies, which will degrade product quality and reduce the value of commodities.
Third, strengthen mushroom management, control of the deformity Hericium deformity Hericium affect product quality and yield, and some can not even eat, so that the product lost its value, seriously affecting economic efficiency, so the management should focus on prevention.
1. Bare-spotless symptoms: The fruiting bodies are branched and the surface of the bacteria is wrinkled, relatively rough, without burrs, mycelium is soft, individual hypertrophy, and slightly brownish when fresh. Reasons: (1) Mainly due to improper water management. It is easy to produce if the temperature is high and the humidity is not enough. (2) The ventilation is too strong and the wind blows directly onto the fruit body.
Prevention and control: (1) After the fruiting body grows, in addition to maintaining the relative humidity of the air, a sprayer should be used to spray the water to the fruiting body. (2) When ventilating and ventilating, avoid letting the wind blow directly onto the fruit body. The specific approach is not to remove membrane ventilation in windy weather. Since the northeast is mostly westerly, the greenhouses should choose east-west direction, while the vegetative wall should go north-south, so as to avoid direct wind blowing on fruit bodies.
2. Coral cluster type symptoms: The fruiting body is branched from the base, and branches appear irregularly on each branch, resembling corals, without thorns. Cause: Caused by insufficient nutrition or high carbon dioxide concentration.
Prevention: (1) When preparing culture materials, care should be taken not to mix coniferous wood chips. Because of the aromatic compounds in the conifers, the Hericium forms coral colonies due to the stimulation or inhibition of these substances. (2) Hericium erinaceus fruit body is very sensitive to carbon dioxide, when the indoor carbon dioxide concentration exceeds 0.1%, it will stimulate the fruiting body to continue to branch, inhibit the growth of fruiting bodies. In the greenhouse insulation moisturizing, pay attention to ventilation or frequent use of sprayer space spray, can reduce the concentration of carbon dioxide. Once a coral-clustered fruiting body is found, it should be removed with its attached medium at a young age. When conditions are right, it can continue to produce normal fruiting bodies.
3. There are two types of color anomalies, the first being the redness of the fruiting body and the second being the yellowing of the fruiting body. The first case: Symptoms: redness of fruiting bodies, short and thick burrs, and bitter taste. Reasons: (1) Caused by temperature discomfort, the temperature is lower than 14°C, the fruiting body begins to turn red, and as the temperature drops, the color gradually deepens and cannot be eaten. (2) The light is too strong to produce redness of the fruiting body. Prevention: (1) Control the temperature. In the early summer evening, straw curtain insulation can be used to cover the greenhouse. In midsummer, during the daytime, the straw can be covered on the greenhouse to cool down, and the water can be sprayed and cooled in the greenhouse. (2) The black shading film used in the film is an effective means to prevent light. The second case: Symptoms: The color is yellow and the fruiting body is inedible. Cause: Due to infection, mainly bacteria. Prevention: Before bagging, do a good job of disinfection in the shed, and remove it in time to prevent the spread.

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