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What are the reasons for the appearance of yellow water in the black fungus fungus?
Main reasons: poor viability of strains, slow feeding after inoculation, weak growth; low temperature of culture, causing mycelial germination to be slow or not germinating; affected by high temperatures during culture, when the mycelium grows to 1/3 of the whole bag At the same time, the mycelium metabolism was more vigorous, the bag generated excessive heat, the bag temperature exceeded 30°C, the cytoplasm of the mycelium was affected by the high temperature, the cell wall broke up, the nutrient solution in the cells flowed out, the spit water was yellow, and the bag color was light yellow and gray. , and then continue high temperatures, mycelium atrophy and death. The bacteria-free indoor space is small and the ventilation is poor. Especially when the mycelium grows to 1/3 of the total amount, the increase in the amount of mycelia can cause the oxygen supply to be insufficient, the mycelium to grow slowly, or even stop growing, and because of the increased respiration, A large amount of biogenic heat is not emitted, so that the temperature of the bacteria bag will increase and cause heat damage and “burnt bacteriaâ€. Responsive measures: should replace good viable strains; appropriate temperature and bacteria, the temperature is controlled at 22 °C ~ 25 °C, below 22 °C should be heated and maintained bacteria, but must strictly control the temperature of bacteria in the early stage does not exceed 30 °C .