Cultivation techniques of Pleurotus ostreatus: how to control Pleurotus ostreatus chloasma spot?

What harm does Pleurotus ostreatus chloasma spot have? How to prevent and cure Pleurotus ostreatus chloasma spot? Hope that experienced netizens can help introduce and guide the harm of Pleurotus ostreatus chloasma: Pleurotus ostreatus bacterial chloasma is commonly known as Pleurotus ostreatus in production, the disease occurs quickly and spreads rapidly. Pleurotus ostreatus chloasma is a bacterial disease caused by Pseudomonas aeruginosa from the young stage to the mature stage. the symptom is that there are yellowish spots on the surface of the mushroom, and there is a sense of stickiness and dampness when the humidity is high. And infiltrate into the tissue, causing the mushroom body to rot, accompanied by sticky secretions, emitting a foul smell, affecting the appearance of Pleurotus ostreatus, resulting in the loss of edible value. Causes of Pleurotus ostreatus chloasma spot: the disease often occurs from March to May in the production of Pleurotus ostreatus in the suburbs of Beijing; the disease is serious under the conditions of high temperature, high humidity and poor ventilation, and often develops rapidly after heavy fog or sandstorm weather; there are differences in the degree of disease among varieties. the incidence of black varieties is usually high and serious; in mushroom farms with a long planting history, the disease is serious, especially in the same variety planted for many years, the resistance level of varieties decreases and is easy to occur. Improper watering in cultivation management, such as repeated watering to make the mushroom surface and body water absorption in a state of saturation, to promote the reproduction and growth of bacteria. In addition, mushrooms, mosquitoes and flies are also insect mediators that transmit germs, which can aggravate the damage. When the occurrence of mosquitoes and flies in mushrooms is serious, the disease is also serious. Prevention and control methods of Pleurotus ostreatus chloasma: foggy, low light, overcast and rain, sand and dust weather are easy to appear in spring, which affect the normal ventilation in the mushroom room and cause a stuffy and humid environment conducive to the occurrence and spread of Pleurotus ostreatus bacterial chloasma. Reasonable water spraying and ventilation: the water source used should be clean, spray-like water, and coordinate with ventilation to avoid stagnant water in the bacterial cover and stuffy humidity in the shed, and to keep the humidity in the mushroom shed suitable. Strengthen inspection, detect and remove diseased mushrooms as soon as possible, and pay attention to environmental cleanliness, so as to delay the spread of the disease and reduce the damage. Physical prevention and control techniques such as anti-insect net, yellow board and trapping lamp are adopted to block, trap and kill mushrooms, mosquitoes and flies, and reduce transmission mediators. Click to get more cultivation techniques of Pleurotus ostreatus