How to prevent dry rot of Pleurotus ostreatus

The disease is characterized by a layer of white powdery pathogenic bacteria on the surface of the buds and young mushrooms; young mushrooms grow yellow and stiff and no longer grow; in a cluster, yellow and brown are dead in the center, and sometimes the bacteria meat is water-stained. But it does not rot. The disease seriously affects the yield and quality of Pleurotus ostreatus. Pleurotus ostreatus is caused by pathogenic fungi and bacteria. The main pathogens of dry rot are Mycobacterium versicolor and Fusarium.
Control methods: Mushroom should be strictly disinfected before use, spray it with carbolic acid solution or other drugs, and then sprinkle a layer of lime powder. Use old plastic film, scrub or soak with potassium permanganate solution. When the bacteria bed cultivation, the liquid used for filling and covering the soil should be prepared scientifically. It can be disinfected with formaldehyde. According to every 1000 kg of soil, 50 ml of formaldehyde and 1000 ml of water are added to the soil and diluted uniformly to the soil for disinfection. Pleurotus ostreatus at the beginning of dry rot, can be used 5% of copper sulfate solution, 0.1% bleaching powder essence liquid, 0.5% formaldehyde solution or mixture of quicklime and salt (3% +5%) sprayed mushroom bed surface , space and walls, if the disease is serious, should first clear the mushrooms, uncover the top film sun drying wind 3-4 hours, then spray the above liquid.

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