Contamination Problems

Documents:

• What is a contaminant?
  
  The contaminants are so named solely because they are undesired.
  
  
• What are common contaminants of the mushroom culture?
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• There is 'white fuzzy stuff' growing on the stipes of my mushrooms...
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  If the conditions are somewhat too moist at the point where mushrooms enter their last fruiting stage, some mycelium can grow on the stipes.
  
  
• The stems of my mushrooms are bluish-greenish. Is it contamination?
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  Sometimes, we all get confused with bruised mycelium or green mold.
  
  
• Proper hand washing procedure
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  Hand washing is the single most important means of preventing the spread of infection.
  
  
• My mushroom caps turned brown-violet over night, are they contaminated?
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  When the cap opens, spores are released from the gills of a mushroom.
  
  
• Mummy desease
  
  Peter Flegg Investigates: A mushroom mystery – Mummy   This article is reprinted from the August edition of The Mushroom Journal, the journal of the MGA.
  
  
• How do I tell contamination from healthy mycelium?
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  Most contaminants look very different than mushroom mycelium.
  
  
• How can I tell bruising from mold?
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  Sometimes the mushrooms or mycelium bruise bluish/greenish, mostly due to handling or low humidity.
  
  
• Dealing with Mushroom Flies
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  ‘Mushroom Flies’ Damn!