Control methods of mushroom verrucosporium
(1) Spray and disinfect mushroom houses and mushroom racks with 5% bleaching powder aqueous solution or 5% formaldehyde solution before planting. (II) Cover soil for disinfection. Take deep soil below 30cm for covering soil. Do not take surface soil, let alone take soil from the field where mushroom waste has been produced. After covering soil is prepared, expose it to the sun until it is dry. At the same time, disinfect it with chemicals. Specific method: 1.5g of verrucotoxin per square meter shall be mixed with soil and then covered with soil. In areas with serious diseases, the dosage of verrucotoxin can be increased appropriately; after the second mushroom harvest, spray 700 times solution of verrucotoxin on the mushroom bed for the second application. (3) Stop spraying water immediately after the discovery of diseased mushrooms and increase the ventilation of mushroom houses. When there are few diseased mushrooms, remove them in time and burn them. Do not throw them around to prevent infection. When there are a large number of diseased mushrooms in the mushroom bed, do not dig them out immediately. First, collect the good mushrooms, then spray them with 500 times of verrucous mildew net solution, spray once every 3~7 days, and spray them continuously for 3~4 times.
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Control methods of mushroom verrucosporium
1 spray disinfection of mushroom house and mushroom rack with 5% bleach solution or 5% formaldehyde solution before planting; 2 cover soil disinfection: cover the soil to take the deep soil below 30 cm below the surface, do not take the surface soil, let alone take the soil from the field where mushroom waste has been produced. After the soil cover is ready, dry in the sun and disinfect with medicament at the same time. The specific method is: spray the soil with 1.5g water per square meter and mix the soil evenly. The amount of medicine can be added appropriately in the area with serious disease. After the second drug is transferred to the batch of the second stubble mushroom, spray with verrucine 700-1000 times.
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Occurrence Regularity of Mushroom Verrucospora
The pathogen is widely distributed in the topsoil 2~9 cm deep, its suitable growth temperature is about 25℃, the growth is very slow below 10℃, and it cannot grow above 35℃. The results showed that in soil and compost, the spores could die at 56℃ for 4 hours (65℃ for 1 hour). The pathogen is mainly transmitted by soil, water spray, people, tools, insects and other ways. In addition, poor ventilation, high temperature and high humidity in mushroom houses are also important reasons for the occurrence of this disease.
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