How to control soft rot of mushroom
Soft rot is also known as dampness and spore mycosis. The disease is caused by Cercospora infection. Most of them are spread by air currents and splashed water droplets, and spores contaminating the soil can also lead to disease. If the soil is too wet and the temperature is too low, it is also prone to this disease.
Most of the fungi occur on the surface of the mushroom bed, and the white cotton-like (also known as spider silk) hyphae first appear on the mushroom bed. If they are not treated in time, the hyphae spread rapidly and surround the buds of small mushrooms. At first, only a mass of white hyphae was seen, and later it became water-red. After the fruiting body was infected by it, the mushroom body became soft, lodged and rotted.
Prevention and control measures:
(1) do a good job in environmental cleanliness and timely removal, burning or deep burial of diseased mushrooms.
(2) strengthen the ventilation of mushroom room and reduce the relative humidity.
(3) spread a layer of lime powder in the affected area to inhibit the growth of bacteria.
(4) spraying 2%-5% formaldehyde aqueous solution (refers to the fungus is more sensitive to formaldehyde), formaldehyde is also harmful to mushrooms and hyphae, so be careful when using.
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How to control the leaf spot of mushroom
Mushroom leaf spot, also known as brown spot, bacterial spot. The pathogen is a kind of eosinophilic Pseudomonas Torrance. It is transmitted by insects, utensils, hands of staff and other media. The disease is serious when the pH value of the covered soil of the mushroom bed is less than 5.5.The disease is serious when the ventilation is poor, the humidity is too high, and the bacterial cover is always sticky and wet after spraying water. The symptoms are: generally only infect the epidermis of the mushroom lid, making it appear yellowish brown, rust-like spots of different sizes at first, and then gradually turn brown or black, sometimes with mucus on the lid.
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How to prevent and cure the sudden fall of mushroom
Mushroom blight, also known as wilt, is caused by Fusarium oxysporum and Fusarium oxysporum. It is mainly transmitted by bacteria-carrying soil. The fungus has strong saprophytic ability and can live in soil and diseased tissues for a long time. The disease mainly affected the mushroom stalk. After infection, the medulla of the fungal stalk atrophied and turned brown. There is no difference in appearance between early infected diseased mushrooms and healthy mushrooms, but the mushroom body becomes shorter, the color of the cap is darker, and the mushroom body no longer grows, but gradually becomes "stiff mushroom". In addition, after the mushroom body is infected, the pathogen secretes toxins and destroys the mycelium.
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