Pollution of Lentinus edodes mixed bacteria can be prevented.
To prevent the contamination of miscellaneous bacteria, it is necessary to arrange the suitable temperature for cultivation. The optimum temperature for mycelium growth of Lentinus edodes is 22 ℃ ~ 25 ℃ and the optimum temperature for fruiting body development is 15 ℃. The best age is that the hyphae grow all over the bottom of the bottle for about 5 days. Mycelium is required to grow evenly, stout, fluffy, white color, unkink into primordium, fresh flavor, must not use bacteria with miscellaneous bacteria. The sawdust and wheat bran used in the culture medium should be fresh and mildew-free, and the water content of the culture material should be 50% to 55%. The selected plastic bags should not be uneven in thickness and poor in quality, otherwise "bulging" will occur, which will be disadvantageous to the prevention and control of miscellaneous bacteria.
Sterilization must be thorough, from mixing to the end of the barrel no more than 4 hours. Adding 0.2% / 0.3% lime to the medium can prevent the fermentation of the medium from deteriorating. When bagging, it should be loose and tight in order to prevent pollution caused by "bulging cylinder". The stacking of material bags in the sterilization pot should not be too tight, keep the steam smooth and avoid the dead corner of sterilization. The temperature in the bag should reach 100 ℃ 5 hours after loading the material bag and maintain for 3 hours before it can be sterilized thoroughly.
In the cultivation to avoid high temperature, high humidity and rainy weather, spring and autumn sunny morning inoculation is the best, summer can be vaccinated in the early morning or night. Inoculation room to use alcohol fumigation sterilization, inoculation should be fast, can reduce the exposure time of bacteria in the air, in order to prevent miscellaneous bacteria pollution. After taking off the bag, it is also necessary to prevent high temperature and high humidity. When yellow water appears in the bacterial tube, spray water should be used to clean the surface. When picking mushrooms, clean the mushroom feet, otherwise it will cause rot and breed miscellaneous bacteria.
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Cultivation techniques of intercropping Lentinus edodes in fast-growing forest in Beijing
In order to protect and improve the ecological environment of the capital, the artificial fast-growing forest in the suburbs of Beijing has developed rapidly in recent years. Due to the long time of growing up, there is a contradiction between the short-term benefits of farmers and the long-term benefits of afforestation, which affects the enthusiasm of farmers for afforestation. Therefore, the effective use of idle land resources in the forest to develop edible fungus production is an effective way to accelerate afforestation farmers to get rich. Taking Lentinus edodes as an example, this paper introduces the cultivation techniques of fast-growing forest intercropping edible fungi. 1 cultivation site selection woodland intercropping Lentinus edodes fruiting body development stage is carried out in the forest, suitable
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Simple Identification of Edible Fungi
In the process of edible fungus cultivation, a variety of pest and abiotic interference often occur. Mushroom farmers all believe that miscellaneous bacteria are the great enemy in production, and prevention must be known in advance and targeted prevention in order to ensure a bumper harvest. 1. Competitive miscellaneous bacteria are mainly saprophytic fungi, which compete with edible fungi for nutrition, water and oxygen in the culture, especially in the early stage of cultivation and management, it is easier to occupy the fungus, secrete toxins and inhibit the expansion and spread of edible fungi. two。 Infectivity and non-infectivity
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