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Amazon Shop for: Agar, Cordyceps, Potato Dextrose

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OfflineAnnoA
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P. ostreatus and A. bisporus "Crimini" on agar
    #1600479 - 06/02/03 05:01 AM (13 years, 8 months ago)

Cloned from supermarket 10 days ago on potato water-oatmeal-sucrose agar. Notice how the A. bisporus is altering the color of agar. This is NOT bacterial contamination.



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Offlinezeronio
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Re: P. ostreatus and A. bisporus [Re: Anno]
    #1600502 - 06/02/03 05:20 AM (13 years, 8 months ago)

That ostreatus is quite quick. Good job! I also noticed altering of the agar color in some cultures. Are you sure that's OK?


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OfflineAnnoA
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Re: P. ostreatus and A. bisporus [Re: zeronio]
    #1600558 - 06/02/03 05:54 AM (13 years, 8 months ago)

Yes, look for yourself:



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Offlinezeronio
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Re: P. ostreatus and A. bisporus [Re: Anno]
    #1600600 - 06/02/03 06:24 AM (13 years, 8 months ago)

The myc and the agar surface looks healthy.
Currently I don't have A. bisporus but I saw this before with a different species - Polyporus tuberaster - and it dissapeared over time!


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InvisibleBi0TeK
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Re: P. ostreatus and A. bisporus [Re: Anno]
    #1600788 - 06/02/03 09:12 AM (13 years, 8 months ago)

Now you tell us !

I've thrown out a few cultures due to that same discoloration !!!  :blush: 


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Offliner05c03
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Re: P. ostreatus and A. bisporus "Crimini" on agar [Re: Anno]
    #1601313 - 06/02/03 02:15 PM (13 years, 8 months ago)

Yeah, I have found that following species alter the color of the agar that I use which is a Potato Dextrose Agar Oatmeal agar (with a little peptone and Yeast extract): A. campestris, Macrolepiota rhacodes, Coprinus comatus (really darkens the oatmeal peices), Phellinus ignarius, and Fomes fometopsis.


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OfflineRaadt
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Re: P. ostreatus and A. bisporus "Crimini" on agar [Re: r05c03]
    #1604657 - 06/03/03 03:03 PM (13 years, 8 months ago)

C. Comatus is really bad in that aspect. It trips me out to look at the underside of the agar.


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-- The information I provide is only information from readings, growing of gourmet mushrooms, and second hand stories--


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OfflineSuntzu
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Re: P. ostreatus and A. bisporus [Re: Anno]
    #1605468 - 06/03/03 06:21 PM (13 years, 8 months ago)

I used to get a lot of sabauraud's agar [surplus] and it darkened with almost everything I grew on it.  Identical inoculations onto PDA did not do it as much.
Playing around with Bio's cordyceps culture, I found that it REDDENED PDA agar, but not sabaurauds.  It was not contaminated, just red.  Interesting :tongue:
Nice clones, Anno! 


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Amazon Shop for: Agar, Cordyceps, Potato Dextrose

Mushrooms, Mycology and Psychedelics >> Gourmet and Medicinal Mushrooms

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