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How to reduce pollution when cultivating White fungus in spring

2016-06-13 14:51:44
The majority of hazards on spring cultivation of White fungus are green mold, rhizopus and mucor.  Neurospora crassa is few. Green mold always happens in sporocarp. Neurospora crassa always happens in tying. Main pollution reasons are inexhaustive sterilization, blow hole in bag and impure or polluted strains.
To avoid sundry fungus, people should do the following several aspects: 
1. Purify the environment of mushroom: clean environment from time to time, spray lime powder to sterilize, before cultivating in mushroom house, people should strictly sterilize to kill germs and put an end to pollution.
2. Well- chosen raw material: choose cottonseed hull or bran which has no lumps or putrefaction. They should be placed in sun to sterilize and test the quality of cultivation bags ahead of time.  
3. Standard producing of mushroom bags: control the water content in no more than 60%, the time limit of bagging and stoving are no more than 6 hours. Remain the temperature of 100 degrees and keep about 24 hours. It is improper to cool in midway.
4. Sterile operation: inoculation room should be sterilized thoroughly. People can choose eligible disinfectant, super strength detergent and add 10 to 20 kg of water in each bag, then spray the space, bed layer and field. The sterilization time is about 1 hour.
5. Strictly guard a pass to strain：people should handpick strains. The requirement on strains of spring White fungus is more strong incense ashes strains.
6. The dispose of polluted bag: polluted bags should be disposed respectively: for slightly-polluted bags, people should adopt bagging and tying to control extending, then make sterilization and inoculation. Severe-polluted bags should be taken out, add 1% to 2% of lime and mix well, then cover for 24 hours and ted. If sporocarp is polluted by green mold, people should pick out ahead of time. 
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