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How to prevent excessive temperature of cultivated mushroom
High material temperature and insufficient nutrient supply can lead to different lengths of mushroom stalks, thicker lower parts with dense fine hairs, and small mushroom covers. Flammulina is a low-temperature-fed fungus, mycelia can grow in the range of 5~32°C, and the optimum temperature is 22~25°C. The fruit body differentiation can be carried out in the range of 3~18°C. The optimum temperature is 8~ 12°C. Flammulina grew vigorously under low temperature conditions, and the above situation would occur when the temperature was too high. Causes of excessive temperature and improvement measures are as follows: 1. To mention the morning market, put the bag into the mushrooming period prematurely. Flammulina has a long germination time and a long age of bacteria. Many farmers have used the needle mushroom to bring it to the market in the morning. When the fungus bag germinates half of the time, it expands it, so that the upper golden mushroom fruit body begins to form and grow, while the lower part of the mushroom bag continues. During germination, a large amount of heat is released during the germination process, which makes the temperature in the bag rise, the mycelium grows too vigorously, and the fruit body grows with insufficient nutrients. It is recommended to untwist the bag mouth when the mushroom bag is germinated to two-thirds, and it is not appropriate to open the bag directly. You can first untie the tying rope of the mushroom bag and breathe it, and then pull the bag mouth outward for a few days. Make the bag mouth loose, and finally open the bag mouth. 2. Over-cover the film to ensure humidity. In the case of high material temperature, it is recommended to properly lift the film to the bottom of the bag, so that the lower part of the bag can be dissipated without drying the head.