The ageing of mycelial aging mushroom mushrooms is too much, or the temperature of strain production is too high, improper preservation, long storage period, can cause degradation and aging of mycelium, decreased viability, lack of accumulation of nutrients in the body and cause mushroom buds. Atrophy died. Countermeasures: High-quality strains should be selected to eliminate contaminated strains in time; conditions for the growth and development of suitable mycelium should be created. Indoors should be clean and fresh, and air should be kept fresh to prevent high-temperature culture; strains should be prepared for use and should not be stored for a long time. Sustained high temperature die mushroom In the early stage of mushrooming, mushroom shed temperature reached above 20°C, resulting in evaporation of mushroom bed water and mushroom metabolism, water and nutrient supply is not enough, coupled with poor ventilation, can cause small bud due to lack of nutrition With water and withered to death. Countermeasures: The fruiting period should pay close attention to the changes in the weather, adjust the temperature of the greenhouse according to the temperature, strengthen ventilation, and prevent the occurrence of high temperature phenomenon in the shed. Poorly ventilated. The long-term ventilation in the mushroom mushroom shed is poor. The metabolic heat developed by the mushroom fruit body cannot be discharged quickly. It will cause oxygen deficiency and excessive carbon dioxide concentration (greater than 0.1%), which will affect the normal growth and development of fruiting bodies, resulting in some Mushrooms die. If you encounter high temperatures, the death mushroom phenomenon is even more serious. Countermeasures: Pay attention to the ventilation of the mushroom shed (usually 2 or 3 times per day). Ventilate in the morning, evening or night when the temperature is high. Improper water spray dead mushroom cover soil is not timely replenishment, mushroom water or mushroom water spray, can make the bud death. Countermeasures: In the fruiting stage, when the white fruit body has a grain size of rice, the spray must be light, the droplets must be fine, and the amount of water must be small to prevent leakage into the material; when the fruiting body grows to the size of the bean, the spray can be slightly increased. Water volume and increase the number of water sprays. At the same time, be careful not to spray off the closed water, and immediately after each water spray, the indoor air circulation should be performed to reduce the excessive humidity. The appropriate pH value for the growth of mycelia of mushroom edible fungi is 6-8. During the process of mushrooming, if the pH of the soil and spray water is below 5 or 9 or above, it will cause the death of the mushroom bud. Countermeasures: Preparation of culture materials and soil cover should be carried out according to requirements. When spraying water, the pH of the culture material and soil should be tested first, and then the pH of the spray water should be reasonably determined based on the test results to prevent over- or under-consumption. Diseases and Insect Pests Death of Common Mushrooms Mushroom common diseases include rust spot and dry rot. Insects such as red spider, dung fly, and gnat mosquitoes can all cause dead mushrooms or reduce quality. In addition, excessive use of pesticides when controlling pests and diseases can also cause dead mushrooms. Countermeasures: In the production, we should adhere to the principle of comprehensive prevention and control of "prevention from the main, supplemented by pharmaceuticals," to prevent pests and diseases from entering the mushroom bed with culture materials, eliminate pests and diseases in the cover soil, and completely remove the pathogenic bacteria in the mushroom shed. And pests, to create environmental conditions suitable for the growth of mushrooms; pests and diseases after the timely removal of mushrooms, dead mushrooms, and the use of drugs for prevention and treatment, so as not to expand the spread. Mushroom damage Mushrooms The first and second tides produce too dense mushrooms. When mushrooms are shaken or mechanically damaged, some of the mushrooms die. Countermeasures: When picking mushrooms, the action should be light and fine to avoid man-made injuries. Plasma Products,Anti-Hbs,Safe Plasma,Safe Plasma Storage Sichuan Yuanda Shuyang Pharmaceutical Co., Ltd. , https://www.syimmunoglobulin.com