Li Yinong: I cultivated oyster mushrooms with corn cob. Although the mushroom buds appeared in the hyphae, the growth of the fruiting bodies was slow. What is the reason? Xiaowen: On this issue, the reporter interviewed Li Minglei, a professor at Northwest A&F University.
Li Minglei made the following suggestions: 1. Choose the variety to be cautious. The cultivars of Pleurotus ostreatus are classified into four types according to the adaptability of fruiting bodies to temperature, such as high temperature type, medium temperature type, wide temperature type and low temperature type. If the variety is improperly selected, there will be cases where the mushroom is late or not. Therefore, the cultivation of Pleurotus ostreatus should be based on the season of the mushroom selection.
2. Choose a good strain. The strain of Pleurotus ostreatus refers to the pure culture of Pleurotus ostreatus, which is divided into parent species, original species and cultivars. The species cannot be mixed, the strain is impure, and the bacteria are contaminated. Otherwise, it will not be caused. Slow occurrence of mushrooms or mushrooms. Therefore, farmers must use excellent strains in production to ensure the purity of the strains and prevent the contamination of the strains and affect the cultivation efficiency of the strains.
3. Pleurotus mushroom management needs to pay attention to the problem. (1) Keep the ventilation open. When the ventilation is not smooth, the concentration of carbon dioxide in the greenhouse is strong, and the air mobility is poor, it will cause slow growth and poor growth of the fruiting body; (2) adjust the temperature. According to the type of oyster mushroom varieties, the temperature of the mushroom shed is adjusted to meet the temperature requirement of the fruiting body; (3) the humidity is guaranteed. The development of Pleurotus ostreatus requires a humid environment, and the humidity requirement is 75% to 95%. If the humidity is not suitable, the growth of the fruit body may be slow or abnormal.
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