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Prevention methods on pollution of sundry fungus on Shiitake

2016-07-19 16:28:10

To prevent the pollution of sundry fungus, people should moderately arrange cultivation temperature, the most suitable growth temeprature of spawns on Shiitake is from 22 to 25 degrees, the most suitable growth temperature of sporocarp is 15 degrees, spawns should possess characteristics of even growth, thick and strong growth trend, have lots of naps, have white color and fresh fragrance. It is improper for people to choose strains with sundry fungus. Sawdust, bran and other materials that are used in substrate should be fresh and have no mould phenomenon. The proper water content of substrate is from 50% to 55%. Plastic bags should have even thickness and superior characters.
Sterilization should be thorough, from material-mixing to barrelling, the total time should be in 4 hours. People can add 0.2% to 0.3% of lime to prevent fermentation and deterioration. Moderate tightness should be mastered when conduct bagging to prevent “expansion”. People should also keep clear of steam and avoid sterilization corner. Temperature should reach to 100 degrees in 5 hours after putting to sterilization pot, remain for 3 hours to make thorough sterilization.
People should avoid high temperature, high humidity and drippy weather when cultivating, it is best to inoculate in sunny day of spring and autumn, inoculation can also be done in the morning or at night of summer. Ethyl alcohol should be used to fumigate and sterilize in inoculation room and inoculation should be fast to reduce the exposure time of strains in the air and prevent the pollution of sundry fungus. After removing bags, people should also prevent high temperature and high humidity. When finding yellow water in fungus tubes, people could wash the surface in sprayer. Fungus foot should be picked cleanly when picking mushrooms or it will cause the phenomenon of rot and breed sundry fungus.
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