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Mushrooms, Mycology and Psychedelics >> Contamination Forum

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Possible Contam Scenario
    #2909537 - 07/20/04 07:50 PM (13 years, 10 months ago)

Note- the following is a hypothetical situation put together with pictures taken from other online sources. The people and situations in the story are false, as this was just created to test Shroomers' contam identification skills.

Jimmy Ballet innoculated a jar one day around 4 o clock PM with one syringe. At 7:30 the same night, he checked the jars and noted a strange growth on two of them (10 were innoculated, and NO other jars showed this growth). One had it in one area down the side (not very thick), but the other had a ring around it as well as this "vertical" growth. A picture from another source documenting this is shown below. Is this "syringe skeet" where Jimmy injected too much liquid, a contam, mycelium (highly unlikely as this is way early), or some sign of humidity or other depletion/excess?

We will say the strain is mazatapec.

The growth continues around the side a little more, then stops (but it wraps around the top all the way, although weaker than the vertical stripe).


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Re: Possible Contam Scenario [Re: IAmTheWalrus212]
    #2911737 - 07/21/04 11:25 AM (13 years, 10 months ago)

Some questions first,
What section of the jar are you referring to, the right section or the left one ?
Is that yellowing some kind of reflection on the substrate caught on the pic or is it something yellow growing in there ?
How many days have passed since inoculation ?
Can you take more pics ?

Some thoughts,
The substrate looks too wet, sometimes there's only weak growth or it practically inhibits growth under this circumstances.
That wet section could also indicate the presence of bacterial growth, although sometimes invisible, it's very difficult for the mycelium to colonize such sections and the infected jars should be disposed.


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Re: Possible Contam Scenario [Re: MAIA]
    #2911951 - 07/21/04 12:41 PM (13 years, 10 months ago)

Well it hasn't grown since yesterday at all, and it is only in the three jars in the exact same place.

I am referring to the right side. The left is what most jars look like, and what they have looked like since substrate was created.
The yellowing is a reflection I believe; I think it is part of the vermiculite, as the yellowing has remained the same size.
The strange thing is that the strange spot occurred only 3 hours after innoc, so I believe that it is some kind of moisture problem or "spore skeet."

Pics are on the way right about now.


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Mushrooms, Mycology and Psychedelics >> Contamination Forum

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