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Symptoms and Control Methods of Oyster Mushroom Brown Blotch Disease
Mushroom brown blotch disease is also known as dry blister disease, Verticillium mold, and so on. In some areas the disease occurs rather severely, and yields suffer great losses. Damage symptoms: when mushroom buds are affected, their growth and development are poor, so that the stipes and buds cannot form and become shriveled white small mushroom masses. When fruiting bodies are affected, many pinhead-sized brown spots appear on the caps, and later the spots enlarge and become sunken, grayish-white in the center; when moist, white moldy growth, namely conidiophores and conidia, forms on the lesions. When the stipe is affected, the stipe base becomes thicker and brown, the outer tissue peels and splits, and after growing up the stipe base becomes crooked and deformed.
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Simple insulation methods for winter cultivation of oyster mushrooms
Winter cultivation of oyster mushrooms has a high success rate, and it is also a good opportunity for people to use their spare time to make money. But how can suitable temperatures be created for cultivating oyster mushrooms in winter? 1. Cultivation of oyster mushrooms should begin in late autumn. When the weather turns cold, have mushroom bags with mycelium covering half the bag ready as insulating oyster mushroom bags. 2. After the temperature becomes very low, stack the mushroom bags to make it easier to raise and maintain the temperature. The stacking method is: make 4 rows into one section, place 7 bags in each row, and leave a gap of about 5 cm between rows for ventilation. Leave a distance of 67 cm between sections
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Energy-saving and heat-preserving methods for winter cultivation of oyster mushrooms
In winter, when temperatures are low, cultivating oyster mushrooms often results in slow mycelial growth or no growth at all, and even if mushrooms do form, they may be deformed. Heating with coal stoves is costly and can easily cause poisoning symptoms in the mushrooms. The following measures make full use of biological heat to keep the mushroom bags at a relatively high temperature for mycelial growth, which can save cultivation costs. If oyster mushrooms are bagged and inoculated in autumn, by the time the weather turns cold, half the bag will have well-developed mycelium. Keeping such bags warm during cultivation allows the mycelium to quickly fill the entire bag. For those not bagged and cultivated in advance, heating can be applied all at once.
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Key Technical Points and Detailed Methods for Oyster Mushroom Cultivation
Plastic bag cultivation saves labor, is easy to manage, makes full use of mushroom house space, reduces pests and diseases, and makes cultivation success easier. It is suitable not only for indoor cultivation, but also for cultivation in plastic greenhouses, air-raid shelters and other places, and the bags can also be placed in paddy fields, corn fields and vegetable plots for intercropping with rice, corn and vegetables. This is a new cultivation method that has been widely adopted in recent years. 1. Specifications for plastic bags: choose plastic tubes (open at both ends) 0.03-0.04 cm thick, 24-30 cm wide and 40-50 cm long.
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Key Processing Techniques and Practical Methods for Oyster Mushrooms Explained
Apart from a portion being sold fresh, oyster mushrooms can also be processed for storage; many methods are used for processing, among which the main ones are divided into two methods: drying and salting, briefly described as follows: 1. Drying method generally uses air-drying, sun-drying, oven-drying, etc. Sun-drying is an economical method that requires no equipment. They can also be air-dried or wind-dried. However, this method is limited by weather conditions. In production, the oven-drying method is commonly used: build a drying room, the heat source can be charcoal fire or coal briquettes, and for drying, refer to the form of a tobacco curing barn. There should be no smoke inside the room, and exhaust equipment is required. Initially, the temperature is controlled at around 35°C
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Detailed Explanation of Oyster Mushroom Bag Cultivation Techniques and Management Methods
At present, there are many methods for cultivating oyster mushrooms in China, including bed cultivation, furrow cultivation, fungus bricks, bag cultivation, and intercropping or relay intercropping with vegetables or crops. Bag cultivation is a cultivation method in which the substrate is placed into plastic bags, inoculated with spawn, and cultivated until mushrooms appear. This is currently a widely applied cultivation method in production and has many advantages: first, raw materials are easy to obtain (plant straw, bran, husks and other agricultural by-products), making use of waste and turning waste into treasure. Second, it saves labor and is easy to manage. Third, three-dimensional cultivation can make full use of site space. Fourth, various sites can be used, including indoors, greenhouses, and air-raid
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What are the good methods for forcing oyster mushrooms to fruit? Explained clearly in one article
In oyster mushroom cultivation, some spawn bags fail to fruit after being fully colonized, or after the first flush is harvested, the second-flush primordia are slow to appear. In both of these cases, as long as the bags are colonizing normally and the spawn's temperature type is suitable, the following measures can all bring about successful fruiting. 1. Temperature difference stimulation: raise the temperature of the mushroom shed during the day and ventilate to cool it at night, artificially widening the temperature difference to stimulate fruiting. 2. Light stimulation: after the spawn bags are fully colonized, roll up the straw curtains of the mushroom shed every day and let sunlight shine in for a period (do not expose them to direct light when the light is intense). For trenches or mushroom houses where sunlight is inconvenient, artificial light can be used.
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What to Do When Oyster Mushroom Mycelium Breaks or Degenerates? Causes and Prevention Methods
After inoculation, normally growing mycelium is dense and pure white, advancing forward in a fan shape, and the cottonseed hull substrate decomposed by the mycelium turns yellowish-brown. If a section of mycelium breaks and becomes disconnected, it is called "mycelium break." This situation is caused by excessive water content in the substrate and high temperatures during cultivation. Choosing appropriate humidity and temperature can prevent the "mycelium break" phenomenon. The degeneration and shrinkage of mycelium that has already grown well on the substrate is called "mycelium degeneration." If the substrate is too dry and too loose, the mycelium that grows will be thin and weak; excessively high temperatures during cultivation, poor ventilation, or pest infestation
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Occurrence and Control Methods of Common Diseases in Oyster Mushrooms
In recent years, with the expansion of oyster mushroom cultivation areas and the increase in cultivation years, pest damage has become increasingly common, showing a trend of early and rapid occurrence, and in severe cases, entire flushes of mushrooms are lost. Because oyster mushrooms are relatively sensitive to pesticides and prone to phytotoxicity, applying chemicals after pest outbreaks makes it difficult to achieve the effect of eliminating pests while protecting the mushrooms. Therefore, identifying the damage characteristics of various pests and reducing infection sources are effective measures to avoid and reduce pest occurrence. I. Pest Species 1. Sciarid flies, also called dark-winged fungus gnats, commonly known as small black mosquitoes, small flies, or white maggots (referring to larvae). They belong to the order Diptera, mosquito-like insects.
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What to Do When Oyster Mushrooms Grow Green Mold? Causes and Control Methods
Recently, Li Zhibao, an oyster mushroom grower from Zhumiao Village, Nancheng Town, Xiajin County, Shandong Province, called for advice: This year the oyster mushroom market is good, with a wholesale price of 1.5 yuan/jin, so he invested 20,000 jin of substrate at once to cultivate oyster mushrooms, but now some green things have grown on the oyster mushroom cultivation bags. Experienced people say it is green mold, and he does not know what to do. The author's reply is as follows: Green mold is a major disease in edible mushroom cultivation, mainly occurring on mushroom blocks that have not yet been colonized or on culture substrate that has not been thoroughly sterilized. Green mold is prone to breeding in acidic and relatively humid environments. Its spores spread through the air
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