In the process of growth and development of mushroom, abnormal mushroom, land bud mushroom, red root mushroom and other "geek" inferior mushrooms often appear, affecting mushroom yield and quality. The common causes and prevention methods of several "geeks" of mushrooms are described below for reference of the readers. 1. The land bud mushroom. When the material is fed into the mushroom house, the humidity is too high. When the coarse soil is transferred, the mushroom room is ventilated for too long, the covered fine soil is too late, the temperature is low, etc., and it is easy to produce the bud mushroom. It is necessary to control the amount of water spray and ventilation so that the hyphae hang on top of the coarse soil and under fine soil. 2. Abnormal opening of mushrooms. Ventilation is not smooth, when the mushroom housing room carbon dioxide content exceeds 0.3%, etc., it is easy to appear abnormal mushroom; mushrooming site is too deep, mushrooms grown in the coarse soil seam are often deformed. Therefore, management should pay attention to the ventilation and cooling measures of the mushroom house. 3. Red root mushrooms. The culture medium is slightly acidic, there is too much water in the high temperature stage before fruiting, and the water content in the overlying soil is too large. The overtaking of glucose is excessive, and the poor ventilation of the mushroom house is easy to grow into the red root mushroom. The acidity and alkalinity of the culture material should be adjusted so that the moisture content of the cover soil is maintained at 22% to 25%, and watering is avoided when the temperature is high, and the top dressing concentration should be appropriate. 4. rust mushroom. After spraying the water on the surface of the mushroom housing and the culture material, the doors and windows could not be ventilated and ventilated in time, and the mushroom house became wet and oversized. Small water droplets appeared on the surface of the mushrooms. Over time, rust-colored spots were formed. So, every time you spray water, open the doors and windows for half an hour to one hour for ventilation. 5. Empty root white mushrooms. The water spray is too little, the soil cover is relatively dry, the fruit body does not get enough water, and the mushroom stem produces white pith, or even hollow. The preventive measures are mainly timely and appropriate water spray, and the mushroom house keeps humidity above 85%.
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