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 as follows: 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, and the second time after the second stubble mushroom is transferred to batch, spray it on the mushroom bed with Yuomijing 700-1000 times. 3 stop spraying water immediately after discovering diseased mushrooms, increase ventilation in the mushroom room, when there are few diseased mushrooms, get rid of diseased mushrooms and burn them in time, do not throw them away to prevent malignant infection, do not dig out a large number of diseased mushrooms in the mushroom bed, do not dig out the good mushrooms first, and then spray them with 500-800 times of verruca mildew net solution every 5-7 days, 3-4 times in a row, the effect is very good.
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Harmful symptoms of mushroom verrucosporium disease
After long-term study, it was found that the pathogen only infected the fruiting body but not the mycelium. It takes about 11 days from the beginning of infection to the initial symptoms of mushrooms. The growing hyphae can accelerate the spore germination of verrucosporium. The first crop of mushrooms occurs, and the source of infection is usually covered with soil and old mushroom racks. The disease of the next few crops of mushrooms is caused by the re-transmission of water, tools and human operations: in the stage of mushroom bud formation, the infection is shown as follows: diseased mushrooms grow in large numbers before normal mushrooms appear, and generally diseased mushrooms produce 3-4 days earlier than normal mushrooms; if invaded in the growth period of young buds
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Control methods of mushroom verrucosporium
(1) spray and disinfect mushroom houses and mushroom racks with 5% bleach aqueous solution or 5% formaldehyde solution before planting. (2) cover the soil with disinfection, take the deep soil less than 30 cm, do not take the surface soil, and do not take the soil from the field where mushroom waste has been produced. After the covering soil is ready, it should be exposed to dry in the sun and disinfected with chemicals at the same time. Specific methods: use 1.5 grams of defective mildew net per square meter to mix well with the soil, and the dosage can be increased appropriately in areas with serious diseases; after the second harvest of mushrooms, 700 verrucrum net is used.
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