Disease prevention technology of mushroom
Mushrooms begin to grow in late September, which is also the time when mushroom house germs begin to multiply and harm. Sarcoidium juglandis is one of the most harmful fungi in mushroom production. The fungus is also called "false truffle", and its pathogen is Delphinium microsporum. Ascocarp are walnut flesh or cauliflower when piled, pale yellow to cream, light brown after ripening. The surface is covered with dander, the flesh is dense and soft, and there is a fishy smell after crushing, which can reach more than 10 centimeters.
Once the mushroom room bed is infected by walnut fleshy fungus, the bed surface should immediately stop spraying water, dry the substrate soil surface, and pick up the fruiting body of walnut fleshy fungus and replace it with new soil. When the room temperature drops below 16℃, it is managed according to the routine to avoid affecting the fruiting. In non-chemical artificial comprehensive management, pay close attention to the mushroom room high temperature at 23-26℃, if the ventilation is poor, the culture medium is too warm, partial acid, poor permeability, a large number of aerial weakness, will occur; in the material, material surface or soil layer appear short and dense white hyphae, culture medium occurs a pungent bleaching powder smell, in the formation of fruit bodies at the same time, but also a large number of conidia.
Chemical control: If the bacteria occur in small areas, diesel oil or kerosene can be used for irrigation, but it cannot be used in large areas to avoid affecting the fruiting. Serious large-area occurrence should insist on environmental disinfection with 800 times of carbendazim liquid, and 800 times of carbendazim mixed with materials can prevent occurrence. The disease area can also be treated with 2% formaldehyde, covered with film for fumigation sterilization, and sprayed with 1% lime water 10kg, added with sodium carbonate 25g, 1 -2 times in the disease area, the effect is ideal.
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Mushroom topdressing method
Mushroom fruiting peak period and later growth period, such as nutrient deficiency in the feed, easy to produce abnormal mushrooms, seriously affecting the yield and quality. Timely topdressing can make mushrooms obtain high quality and high yield. When topdressing, organic fertilizer and inorganic fertilizer are used alternately, the effect is better. However, it is appropriate to apply small fertilizer frequently. Generally, each batch of mushrooms can be topdressed 2 - 3 times, combined with spraying water, the dosage per square meter is 250 - 500 ml, spraying water once after fertilization, washing off the fertilizer on the mushroom body, and closing the doors and windows after the water drops on the mushroom cover are dry. This method can avoid yellow spots,
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Methods of preventing Aging of Mushroom
First, soak in water: water can isolate the air, make mushrooms change color slowly, and make the body full. However, it is required that the water quality contains low iron content and shall not be soaked in iron utensils and water with high iron content. Second, sodium pyrosulfite treatment: first rinse mushrooms with 0.01% sodium pyrosulfite solution for 3 minutes, then soak in 0.1% sodium pyrosulfite solution for half an hour, remove and drain, put into a plastic bag for storage. Under the condition of 10 ℃ ~ 15 ℃ at room temperature, the fresh-keeping effect is good, and the mushroom can be kept white for a long time. Storable temperature
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