Control of common diseases of Pleurotus ostreatus in greenhouse

Oncocytoma symptoms: The growth of the mushroom body grows slowly, and granular or nodular projections appear on the cap. When the onset is severe, the cap of the cap is contracted, the mushroom is hardened, and the body of the mushroom stops growing. Prevention: Choose medium and low temperature varieties for cultivation, strengthen greenhouse insulation and temperature increase measures, and control greenhouse temperature. Usually, the temperature of the medium-temperature variety greenhouse should be controlled above 8°C, and that of the low-temperature type should be controlled above 2°C. Mushroom symptoms: After the occurrence of primordia, the cap differentiation and development is not normal, the main performance is a small cap, stipe length and hard coarse handle, the value of the goods is greatly reduced. Prevention: In low temperature weather, greenhouses producing mushrooms adopt closed ventilation and cold-proof measures. They should pay attention to ventilation and ventilation for a short time at noon to ensure sufficient supply of oxygen in the greenhouse. Blue mushroom symptoms: In the process of growth and development of the mushroom body, the edge of the mushroom cap produces a blue halo. In severe cases, the entire mushroom body is spattered with blue ink and does not fade even after harvest. Prevention and treatment: This is a symptom of carbon monoxide poisoning of the mushroom body. It is necessary to timely discharge toxic gases such as carbon monoxide to the outdoors. It is best to use sunlight or heating to warm the greenhouse.

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