The reason for the poor growth of Pleurotus ostreatus
Some Pleurotus ostreatus growers write to say that their Pleurotus ostreatus is not growing well and want to know what the problem is. Here are some analyses and reminders on some problems that are often seen in cultivation:
The first reason may be that the ambient temperature and material temperature are not right. If the temperature range of mushroom production is higher or lower than that of the cultivated varieties, there will be no mushroom emergence or the phenomenon that the mushroom will no longer produce normally after a tide of mushroom turning to tide.
The second reason is the poor ventilation of the mushroom shed. Poor oxygen supply and high carbon dioxide concentration are not conducive to mushroom production. Serious hypoxia will cause a large number of mushroom buds to atrophy and suffocate.
The third reason is the improper method of spraying water. If you use too much water when spraying water, and spray directly on the culture material and young mushrooms, and close the doors and windows when spraying water, it will make the culture material stagnant and cause hyphae to suffocate to death. At the same time, the cover of young mushrooms is also due to water accumulation for a long time, a large amount of water absorption, it is easy to create conditions for the occurrence of a large number of bacterial diseases.
The last reason is the occurrence of diseases and insect pests. Due to improper selection and treatment of culture materials, mushroom houses, mushroom sheds and soil cover are not sterilized or not thoroughly sterilized, especially the old mushroom houses and sheds that have been used for many years are more prone to diseases and insect pests. After the pests invade, they will bite on the hyphae and fruiting bodies of Pleurotus ostreatus, causing them to break and lose water and die. The serious harm of diseases and insect pests will cause the mushroom body to atrophy, turn yellow, and finally rot and die after mushroom production. Therefore, you must carefully find the cause and take appropriate solutions.
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What if Pleurotus ostreatus grows green mold?
Recently, Li Zhibao, a grower of Pleurotus ostreatus in Zhumiao Village, Nancheng Town, Xiajin County, Shandong Province, called to consult: the market of Pleurotus ostreatus is good this year, with a wholesale price of 1.50 yuan / jin. He suddenly invested 20000 jin of materials to cultivate Pleurotus ostreatus, but now there are some green things growing on Pleurotus ostreatus cultivation bags. Experienced people say it's green mold. I don't know what to do. The author's reply is as follows: green mold is the main disease in the cultivation of edible fungi, which mainly occurs on the fungus mass without bacteria or the culture material without thorough disinfection. It is easy to breed green mold in the environment with high acidity and humidity. Its spores spread in the air.
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Technical Key to Improve Survival Rate and Yield of Gastrodia elata
Tuyan is one of the main producing areas of Gastrodia elata in Hubei Province. Wild Gastrodia elata is widely distributed. The climate and soil in the territory are suitable for sexual cultivation of Gastrodia elata. According to the local environmental conditions and practical experience, the author summarized the key techniques of sexual cultivation of Gastrodia elata which were suitable for the local natural environment. 1. The quality and quantity of strains are the basis for ensuring the germination and growth of Gastrodia elata seeds. 1. The germination rate of Gastrodia elata seeds depends on the quality and quantity of seed germination bacteria. Practice has proved that the germination rate of Gastrodia elata seeds mixed with 8104 seed germination bacteria is high, and the germination speed is fast.
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