Pleurotus ostreatus is easily infected by harmful bacteria during the fruiting stage, causing soft rot, spotting, and other bacterial diseases. The appearance of the mushroom bag surface is dark and soft, accompanied by odor, and dark brown water rots at both ends. Two oyster mushrooming difficulties.
The morbidity can be roughly classified as follows: 1. After the oyster mushroom is harvested, more wounds are formed on the surface of the bag, creating a “channel†for harmful bacteria to invade the dye bag, and some mushroom farmers are promoting the scalloping of the squid mushroom. Increase water spray, resulting in excessive humidity on the two sides of the bag, or water droplets, but also conducive to the occurrence of bacterial diseases. 2. Under the influence of continuous rainy days, the relative humidity in the shed is too large and the ventilation is poor, which induces the occurrence of the disease. 3. Some mushroom farmers did not sterilize the greenhouse before the material bag entered the shed. Harmful bacteria invaded the bacteria bag under suitable environmental conditions.
It is recommended that the mushroom farmer comprehensively prevent the disease from occurring: 1. The mushroom shed is sterilized before entering the shed to reduce the amount of harmful bacteria in the shed. Ground treatment can be done with lime, 50 kg/mu. Can also be fumigated by the method of medicine, such as using 100-speed smoke agent, 500 g / mu, closed fumigation time is 8-10 hours. 2. Control the shed environment. Take measures to release the air at night and increase ventilation to meet the mushroom needs. During the day, the environment of scattered light can be created for the mushroom shed, and the "curtain" measures can be used for the shed of the mushroom shed. 3. Chemical control: can be sprayed with 5 milliliters of agricultural streptomycin + 50 ml green wind 95 + green Fenwei 1 17 grams, both to prevent bacterial disease, but also to promote the next mushroom mushroom, 5 days once, even spray twice .
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