How to prevent deformity of Pleurotus ostreatus
After the occurrence of the primordium of Pleurotus ostreatus, the differentiation and development rate of the cap was abnormal, which was characterized by small cap, long stalk, rough and hard stalk and low commercial value. The main reason is the adoption of closed heat preservation and cold protection measures, which leads to insufficient oxygen supply and loss of balance of nutrient transport in mushroom. Preventive measures: in case of continuous low temperature weather, when the mushroom shed adopts closed heat preservation and cold protection, we should pay attention to ventilation for a short time at noon, but do not blow the material surface directly in a strong wind to prevent the death of young mushrooms.
When the blue mushroom body grows, the edge of the cap produces a blue halo, and even the whole mushroom body is splashed with blue ink until the mushroom body is harvested. Cause: the use of firewood, coal fire and other ways to increase the temperature, increase the toxic gas of carbon monoxide in the mushroom shed, cause mushroom body poisoning, stimulate mushroom body discoloration reaction. Preventive measures: daylight, heating and electric heating are better for increasing temperature of mushroom shed in winter. if firewood and coal fire are used to heat up, a closed heat transfer and smoke exhaust pipe must be installed.
During the development of Pleurotus ostreatus, the growth was slow, and tumor-like or granular protrusions appeared on the surface of the cap. When the damage is serious, the cap is stiff, the mushroom is hardened, and the growth stops. The cause: the temperature of mushroom body is too low and the duration of low temperature is too long, which leads to the maladjustment of cell elongation in the inner and outer layer of the cap. Preventive measures: it is necessary to find out the lowest temperature that the cultivated varieties can withstand in the normal development of the mushroom body, and the varieties with medium and low temperature should be selected for cultivation in winter. At the same time, the measures of heat preservation and temperature increase should be strengthened to control the temperature of mushroom production in the mushroom shed. In general, the greenhouse temperature of medium temperature varieties should be controlled above 8 ℃, and that of low temperature varieties should be controlled above 0 ℃.
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What are the key points for the management of Pleurotus ostreatus planted in winter
The main points of winter management are as follows: (1) selecting good varieties: low temperature or wide temperature varieties should be selected in winter, such as mistakenly planting medium and high temperature varieties, it is difficult to manage, and there are no mushrooms or abnormal mushrooms. (2) suitable temperature bacteria: create suitable temperature conditions for bacteria generation.
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Energy-saving heat preservation method of Pleurotus ostreatus
When the temperature is low in winter, the cultivation of Pleurotus ostreatus often produces bacteria slowly or not, even if it can produce mushrooms, abnormal mushrooms will be produced, and the cultivation cost of heating with coal stove is high, and it is easy to cause poisoning. Take the following measures to make full use of biological energy to keep the bacteria bag at a higher temperature, which can save the planting cost. Pleurotus ostreatus is inoculated and cultivated in bags in autumn, and half a bag of hyphae can be sent out when the temperature is cold. When such bags are cultivated in heat preservation, the bags can be quickly filled with hyphae. If it is not bagged in advance, it can be added at one time.
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