Temperature Management of Pleurotus ostreatus during its sporulation period
The mycelium of Pleurotus ostreatus grows sturdily and has a high success rate, especially in the process of clinker cultivation, the mycelium is less likely to be infected by miscellaneous bacteria than other varieties. However, in the process of uncooked material cultivation, the requirement of temperature in the stage of mycelial growth is very strict. Therefore, correctly mastering the appropriate temperature is the key to ensure the success of Pleurotus ostreatus uncooked cultivation.
The mycelium of Pleurotus ostreatus grows strongly and has strong resistance to miscellaneous bacteria under the condition of 20 ℃ ~ 30 ℃. Even if occasionally contaminated by miscellaneous bacteria, the mycelium of Pleurotus ostreatus can penetrate and eat it, and the mycelium is fast, the mycelium is thick and sturdy, the age is short, the tide of mushroom is fast, the mushroom body is strong during the mushroom emergence period, and the transformation rate is high. When the temperature of the bag material is higher than 35 ℃, the mycelium of Pleurotus ostreatus will stop growing. therefore, the temperature of the material should be strictly prevented from being too high during the period of Pleurotus ostreatus. Usually, the thermometer should be used to measure the temperature. Once the material temperature is found to be higher than 33 ℃, it should be turned over in time. The method of reserving the space between the bacterial bags, appropriately reducing the number of layers, and separating the layers with small bamboo poles can be taken to prevent the material temperature from being too high. It is worth noting that the lower the temperature of Pleurotus ostreatus, the better, and it is not good to send bacteria at a lower temperature. If the feed temperature is below 15 ℃ for a long time, the mycelium of Pleurotus ostreatus develops slowly, but the occurrence rate of miscellaneous bacteria such as Trichoderma is very high. once a large number of hyphae such as green mold occur, it will compete with Pleurotus ostreatus hyphae for nutrition and secrete a large amount of toxin, which will inhibit the mycelium growth of Pleurotus ostreatus, make the whole bag mildew and soft, resulting in loss. Therefore, the cold season should be in the warm greenhouse or warm to the sun to send bacteria.
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Prevention and Control of Rust spot in Pleurotus ostreatus
The ferruginous or dark brown spots on the cap and stalk of Pleurotus ostreatus are called Pleurotus ostreatus spot disease. This disease is a kind of bacterial disease which is easy to occur in the growth stage of Pleurotus ostreatus fruit body. The pathogen causing the disease is Pseudomonas aeruginosa, which is widely distributed in nature. In the early stage of the disease, the disease spot is only needle-like size, the color is also light, generally does not affect the commodity value. After the aggravation of the disease, the plaque increases rapidly, and the color deepens continuously, often in oval or fusiform shape, or connected to each other to form large irregular plaques, accompanied by yellowish yellow changes around the plaques.
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How to prevent miscellaneous bacteria in the process of Pleurotus ostreatus
Recently, many mushroom farmers have called to consult, there has been a serious infection of miscellaneous bacteria in the process of sending bacteria in Pleurotus ostreatus bags, especially the majority of green mold and bisporase, how to prevent and cure it? In view of this problem, combined with the investigation and research in recent years, the reasons and prevention methods are summarized as follows: 1. The fresh, dry and well-managed culture materials contaminated by moisture contain a relatively small number of diseases and are suitable for the cultivation of raw materials, but the storage life is longer, and the culture materials caked by moisture will contain more diseases. If it is not sterilized, it can be used directly.
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