At present, the oyster mushrooms planted in many areas are at the time of mushrooming. Affected by factors such as the weather and planting techniques, mushroom diseases are extremely common, causing considerable losses to the cultivators. Phytophthora infestans include three kinds of bacterial scab, bacterial yellow rot and mycorrhizal soft rot, reminding farmers to prevent disease.

At the onset of bacterial spot disease, small spots of brownish yellow were formed on the cap of the fruiting bodies of Pleurotus ostreatus. The initial spots were small spots, and later spots were connected to form large spots, which greatly reduced the commercial value of the mushrooms.

Bacterial yellow rot disease fruiting body is yellow at the beginning, growth stops, and finally rots. The diseased mushroom emits unpleasant odor. This disease is prone to occur under high temperature and high humidity conditions. The main cause of the disease is the excessive density of the bacteria bags in the mushroom shed and the poor ventilation of the mushroom shed.

After the fruit fungal filth was infected with the pathogen, the mycelium was covered with white stems and pleats, and the water-stained soft rot was found at the base of the stipe. The difference between the disease and the bacterial disease is that there is a white hyphae on the diseased fruit body, which generally does not give off an odor. The mushroom can fall down after being touched slightly, showing a yellowish stain.

To avoid the occurrence of yellow mushroom disease, production should pay attention to the following points: First, control the humidity inside the greenhouse. The humidity in the greenhouse is controlled within 95%. Especially in winter, the water absorption of fruiting bodies is slow, and more attention should be paid to the water spray method. The second is to stack the bacteria sticks. A certain amount of space is reserved between the bacteria stick and the bacteria stick so that a large amount of biological heat can be emitted. The third is to remove mushrooms in time. No matter which kind of germs caused, once the mushrooms appear in the shed, they must be promptly removed and sprayed with mildew net, Baoqing, Wan Xiao Ling and other agents.

In this reminder, regardless of whether or not there is mushroom fungus during fruiting, it is best every 6 to 7 days evenly in the mushroom shed within a net or Baoqing solution, to prevent the occurrence of mushroom fungus.

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