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Winter raising mushrooms prevent deformity
The low temperature in winter and the few bacteria in the air are good seasons for the cultivation of oyster mushrooms. However, mushrooms are prone to the following types of malformed mushrooms: 1, rough mushroom. After the occurrence of the primordium, the speed of cap differentiation and development was abnormal. The performance of the cap was small and the length of the stipe was long. The shank was hard and hard, and the commodity value was low. The main reason for this was the use of stifling heat insulation and cold protection measures, which resulted in insufficient oxygen supply to the mushroom shed (room) and the loss of nutrient transport in the mushroom body. Preventive measures are: In the case of continuous cold weather, mushrooms mushroom sheds (rooms) to adopt 焖 closed type insulation and cold weather should pay attention to a short period of ventilation at the noon, but avoid blowing the material surface in the wind to prevent the cause of young mushrooms death. 2, blue mushroom. When the mushroom body grows, a blue halo is generated at the edge of the cap, and even when the mushroom body is full, it will splash blue ink until the mushroom body is no longer receded. The reason is: Take firewood, coal fire and other smoke with a warming temperature to increase the carbon monoxide poisonous gas in the mushroom shed (room), resulting in poisoning of the mushroom body, to stimulate the color change reaction of the mushroom body. The prevention measures are: The method of warming the mushroom sheds (rooms) in the winter is preferably daylight, heating, electric heating, etc. If the firewood or coal fire is used for heating, a closed heat transfer and exhaust pipe shall be installed. 3, tumor mushroom. During the development of the mushroom body, the growth was slow, and nodular or granular protrusions appeared on the surface of the cap. When the victim suffers serious damage, the cap is stiffened, and the mushroom hardens and stops growing. The reason is that the temperature of the mushroom body is too low and the duration of the low temperature is too long, which causes the elongation of the inner and outer cells of the cap. Preventive measures are: Cultivation must understand the minimum temperature of the normal development of cultivated varieties of mushroom body can tolerate, winter planting should be selected in the low-temperature varieties, while strengthening the insulation temperature measures to control the mushroom shed (room) mushrooming temperature. Usually the medium temperature type mushroom shed (room) temperature should be controlled above 8°C, and low temperature type varieties should be controlled above 0°C.