Prevention and Control techniques of Mushroom death Disease
Dead mushroom refers to the phenomenon that the small mushroom on the mushroom bed shrinks, yellowes and dies. Mushroom wilt appears in pieces or in batches, which will seriously affect the yield.
1. The cause of mushroom death: the temperature of ① at the end of autumn was too high (more than 23 ℃), and the temperature rose too high and too fast during the spring emergence period (21 ℃ for several days in a row), resulting in the shrinkage and death of young mushroom seedlings due to lack of nutrition. ② mushroom room is poorly ventilated, O2 is insufficient, the concentration of co2 is too high, and the heat generated by metabolism can not be released quickly, which will make the young mushroom seedlings die in batches due to insufficient oxygen supply or high temperature. After ③ mulching, the mycelium grew too fast before mushroom emergence, so that the mushroom seedlings were too dense, the nutrition supply was insufficient, and some of the mushroom seedlings died. The ④ temperature is above 22 ℃, the relative humidity is above 95%, or the doors and windows are closed after spraying water, the mycelium surface is waterlogged, and the young mushroom seedlings suffocate to death. ⑤ management operation is careless, resulting in mechanical damage resulting in dead mushrooms. There were many times and large amount of ⑥ spraying, and the mushroom seedlings died due to drug damage.
2. Control methods: ① arranges the inoculation time according to the local climatic conditions to avoid mushroom production in the high temperature season. ② pays attention to the cooling of the mushroom room to prevent the attack of high temperature. In the stage of soil mulching and water transfer, ③ should prevent the mycelium from growing out of the soil surface, lower the mushroom position, and avoid overdense mushroom production. In the period of ④ high temperature, the doors and windows should be opened, and the stagnant water in the material layer should be pierced with bamboo sticks to improve the ventilation condition. When using ⑤ to control diseases, insects and miscellaneous bacteria, do not use too much medicine, and avoid using drugs during mushroom production.
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Prevention and control of dead mushroom
The reason for the death of mushroom (1) the growth of young mushroom is weak. After the mushroom bed is covered with soil, the mycelium grows too fast, the mushroom position is too high, and the young mushroom is too dense, which leads to the death of some young mushrooms with insufficient nutrition supply. (2) too high temperature. When the temperature is above 21 ℃ for several days during mushroom emergence, the young mushrooms will shrink and die due to heat injury. (3) excessive humidity. The relative humidity of the mushroom room is more than 95% at high temperature. if the doors and windows are closed after spraying water at this time, and the surface of the mushroom bed is waterlogged, the young mushrooms will suffocate to death. (4) poor ventilation. Oxygen in mushroom room
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Mushroom double "show"
The Horticultural Research Institute of the Provincial Academy of Agricultural Sciences adopted single spore hybridization, single spore system selection and molecular assisted breeding techniques to develop a new brown Agaricus bisporus variety with low temperature tolerance, high quality and high yield, "Nangxiu No.1" and a new white Agaricus bisporus variety "Yingxiu No.1". It has been recognized by the first batch of edible mushroom varieties in the whole country. "Nangxiu No.1" is a new variety of brown Agaricus bisporus, with natural brown cover surface and white mushroom stalk and flesh. The mushroom quality is excellent, the fruiting body is round, the mushroom cover is thick, strong, not concave; the taste is delicious and tender. Because the mushroom cover is naturally brown, there is no need to make
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