Pleurotus ostreatus bacterial chloasma is commonly known as yellow mushroom disease in production. The disease has a fast onset and spread rapidly. It can be affected from the young mushroom stage to the mature stage. According to the survey, the loss can reach more than 50% in serious cases. symptom Pleurotus ostreatus is a bacterial disease caused by Pseudomonas spp. The symptom is that the surface of the mushroom body appears yellowish spots on the surface. When the humidity is high, the diseased site has a sticky wet feeling and penetrates into the tissues. Body rot, accompanied by thick secretions, emitting a foul odor, affect the appearance of oyster mushrooms, resulting in loss of food value. Occurrence The disease often occurs from March to May; it develops rapidly under conditions of high temperature, high humidity, and poor ventilation. It often develops rapidly after heavy fog or dust storms. The degree of disease varies among breeds, and the incidence of black varieties is usually high and serious. The history of the mushroom field, the incidence of heavy, especially in the same species for many years, the level of resistance to decline, easy to disease; improper watering cultivation management, such as multiple pouring to make the mushroom body surface and body water saturation, promote bacteria Reproductive growth. In addition, mushroom mosquitoes are also insect mediators that spread pathogens, and can be aggravated. When the mushrooms in the house become severe, the occurrence of the disease is also heavy. Prevention and control points The spring is prone to haze, light, rain, sand and dust weather, affecting the normal ventilation within the mushroom house, resulting in a boring wet environment conducive to the spread of bacterial yellow spot disease of Pleurotus ostreatus. The current part of the mushroom house has been diseased, so remind the mushroom farmer to pay attention to prevention and control. Reasonable water spraying and ventilation: The water source should be clean, spray water should be sprayed, and it should be coordinated with ventilation. It is necessary to avoid the accumulation of stagnant water and shed moisture, but also to maintain the humidity of the mushroom shed. Strengthen the inspection, early detection and removal of mushrooms, and pay attention to environmental cleanliness to delay the spread of the disease and reduce the damage. Insect prevention nets, yellow boards, and insect traps were used to prevent and control mosquitoes and flies, and to reduce the transmission of mediators. APP control Hearing aids,APP control Hearing Earbuds,APP control Hearing earphones Shenzhen Sunshine Technology Co.,Ltd , https://www.shenzhenyatwin.com