How to prevent and cure the sudden fall of mushroom
Mushroom damping-off disease, also known as wilt disease, caused by Fusarium oxysporum and Fusarium phaseoli infection. It is mainly transmitted by contaminated soil. The fungus has strong ability to rot and can live in soil and diseased tissues for a long time. This disease mainly infects mushroom stipe, after infection stipe pith atrophy, turn brown. There was no difference in appearance between infected mushrooms and healthy mushrooms in early stage, but the mushroom body became short, the color of the cap part was darker, and the mushroom body no longer grew, but gradually became "stiff mushroom". In addition, after the mushroom body is infected, the pathogenic bacteria secrete toxins, destroy the mycelium growth or make the small buds die, thus affecting the next mushroom not to grow or die. Pink mold flakes can be seen on the surface of the culture medium.
Control measures can refer to rust spot control methods. In addition, once damping-off occurs, the following agents can be sprayed on the bacterial bed: 11 parts of ammonium sulfate and 1 part of copper sulfate are mixed, and then 56 g of this mixture are mixed with 18 kg of water, and then sprayed after stirring.
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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 and inverted.
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How to control common diseases and insect pests of mushrooms in greenhouse
The main diseases of mushrooms in greenhouse are: ① "white rot", also known as brown rot and verrucosporium, is the most common and serious fungal disease in greenhouse mushroom. ② "ghost umbrella seedling" is also known as wild mushroom. The main pests are mushroom flies, mosquitoes, nematodes, mites and so on. How to control these diseases and insect pests? through several years of practice, we have summed up the following experiences for your reference: first, it is not easy for self-rot to completely eliminate this fungus. But we can start with the word "defense", that is,
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