Cultivation of oyster mushrooms in the summer is caused by high temperature and high humidity, pests and miscellaneous bacteria, and it is easy to lose the value of oyster mushrooms. How to prevent the growth of Pleurotus ostreatus infestation in summer is described as follows: First, site disinfection The entire cultivation site was sterilized with dichlorvos spray, a layer of quicklime was sprinkled on the ground, and window and vent holes were used to screen the screens to prevent pests from entering. Second, the culture material disinfection Formula: 99% of cottonseed skin, 1% of urea, pH adjusted to 12 with lime, carbendazim 0.2% (content 25%), dichlorvos 0.1% (content 80%). The pH of the mixture was measured to be 10, and a plastic tube with a diameter of 22 cm was used for bagging. The plastic tube was cut to a length of 40 cm, and the length was 26 cm after the material was packed. Each bag is filled with 5 to 7 layers with 30cm spacing. The material temperature rises to 31°C within 72 hours. If the material temperature continues to rise, it needs to turn over. Third, sowing Pleurotus ostreatus species used high temperature varieties, such as abalone mushrooms. Strictly in accordance with aseptic conditions when sowing, each line into seven layers, row spacing 40cm, sowing the species 10 days or so to check again. Do not move until the row of mushrooms, just open the bag mouth. Fourth, mushroom management 7 days before the opening of the bag, use dichlorvos again to spray the walls and the cultivation bag. When opening the mushroom, it is forbidden to spray with dichlorvos to prevent the occurrence of phytotoxicity. When the mycelium in the cultivation bag reaches 80%, the watering of the bag is stimulated, and the original bases are successively formed. The temperature in the cellar is generally maintained at 20 to 27°C. The first mushroom is harvested after 3 days of budding, and the material waste is removed after the mushroom is collected, and the surface is watered once. After the second 10 days. The second mushroom in the bag after the collection of water significantly reduced, and then immersed in 1% urea water for a day and a night, and then remove from the water according to the original row, good, more than 10 days after the third mushroom. Due to the effective prevention of the contamination of pests and germs, the yield of Pleurotus ostreatus is high, the quality is good, and the economic benefit is high. T Shape Black Light Lamp, Black Light UV Lamps Ningbo Sunfine UV lighting Co.,ltd. , http://www.uvlightings.com