Prevention of soft rot of edible fungi
Symptoms: When the disease occurs, white hyphae appear on the mushroom bed and spread rapidly. If it is not controlled in time, it can be extended to the whole mushroom bed. In the case of higher humidity, all the fruiting bodies can be "swallowed" and only a mass of white hyphae can be seen. In the later stage, the white hyphae become water red.
2. Occurrence characteristics: soft rot bacteria widely exist in soil, form colonies on the surface of soil or mushroom body, and produce spores in a short period of time. These spores spread by means of air flow, water droplets splashed when spraying water and exudation of mushroom body. This disease is easy to occur under the condition of overwet soil and low temperature. This disease often occurs in small areas in mushroom houses and rarely prevails in large areas.
III. Control methods:
1. Cover soil for disinfection.
2. When the disease occurs locally, the number of spraying water on the mushroom bed should be reduced, the ventilation of the mushroom house should be strengthened, and the humidity should be reduced. Spray 2%~ 5% formaldehyde solution or 500 times thiophanate-methyl solution on the affected parts for control, or sprinkle quicklime powder for control.
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Soft rot of edible fungi
Symptoms of harm: first, white bead-like hyphae appear on the surface of the bed covered with soil. if not dealt with in time, it will spread quickly and become water-red. The infection fruiting body starts from the stalk to the lid, which is immersed in water, browns and softens gradually until it decays. Classification attribute: the characteristics of fungal diseases caused by Cladosporium dendriformis: covered with soil, which is mainly spread by air flow and water droplets in the mushroom house. Prevention and treatment methods: strictly cover soil disinfection, cut off the source of the disease. Spray 2%-5% formaldehyde solution or 800 times when local occurrence occurs
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How to cultivate Edible Fungi without pollution
In the production environment, pollution-free strain plants, culture rooms, mushroom rooms or mushroom sheds should be built in places with high terrain, convenient drainage and irrigation, no factory pollution or garbage dump, and far away from livestock and poultry houses, feed banks and toilets. Raw materials for pollution-free cultivation of edible fungi, such as cotton husk, straw, sawdust, wheat bran, etc., should be dry, non-moldy and moth-eaten, and should not be contaminated or mixed with other pollutants. The chemicals used such as gypsum, calcium carbonate and urea should be pure, and fake and shoddy products should not be used. Culture material treatment 1. Culture material should be fermented at high temperature
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