Symptoms of several major diseases of Pleurotus ostreatus

(1) White rot: The pathogen is Fusarium culmorum, which is harmful to the fruiting body. After the mushroom body is contaminated, it causes a bad feed and produces a bad smell.
(2) Brown spot: The pathogen is the bacterium Mycobacterium verticillium. After the spore infects the fruiting body of Pleurotus ostreatus, the brown squash spot is formed on the cap of the mushroom, which gradually enlarges and produces a grayish white depression. After the mushroom body is damaged, it becomes deformed. Mushroom shank is swollen or curved, but it does not rot, and finally it dies.
(3) Mucor soft rot: The pathogen is mucor. Usually occurs after the fruiting body is fully matured and has not been harvested in time, while the mushroom house is in high temperature and humidity conditions or the bed surface is in a long time with water accumulation. The diseased fruiting body is light yellow or light brown water-stained soft rot. Generally, it starts from the base of the stipe, and finally causes the entire fruit body to be watery and soft-smelling. The surface is sticky and slippery and has no rancid odor.
(4) Pleurotus ostreatus: it is a physiological disease. In the case of poor ventilation, high concentration of carbon dioxide, or insufficient light, the fruiting bodies are poorly developed after differentiation, often appearing as mushroom feet, small caps or even aseptic caps, or "V" mushrooms. Secondly, there were also virus-induced malformations. The stipe of the stipe grew in the form of a nearly spherical flask. The mushroom body eventually shrank and it was sponge-like and died.
(5) Mushroom shriveled withering: caused by physiological water shortage and relatively low humidity in the air. The young mushroom grew thin, withered from the top and withered, and the fruiting body was wrinkled.

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