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Amazon Shop for: ½ Pint Jars, Agar, Petri Dish

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OfflineSko
Democrat

Registered: 04/21/03
Posts: 203
Loc: Pacific Northwest
Last seen: 11 years, 8 months
Possible Popcorn Contam
    #1598270 - 06/01/03 03:21 PM (13 years, 6 months ago)

Hi, my mycelium on my popcorn is doing pretty well, I'd say they are about 25% colonized, and one is like 40%.

My problem is that some of the popcorn is turning red... not all, but at least 5 kernals in each jar I would say is turning red, is this normal, will the mycelium win the battle? or is my culture doomed?


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Sko


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OfflineFallenShroom
Shagadelic

Registered: 05/01/03
Posts: 879
Last seen: 8 years, 8 months
Re: Possible Popcorn Contam [Re: Sko]
    #1598273 - 06/01/03 03:23 PM (13 years, 6 months ago)

thats pretty normal when the corn is over cooked like carmel color


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OfflineSko
Democrat

Registered: 04/21/03
Posts: 203
Loc: Pacific Northwest
Last seen: 11 years, 8 months
Re: Possible Popcorn Contam [Re: FallenShroom]
    #1598286 - 06/01/03 03:29 PM (13 years, 6 months ago)

ok, cause it's been like about... 1-1/2 weeks and it wasn't red til yesterday...?

that's normal? :confused:


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Sko


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OfflineMAIA
World-BridgerKartikeya (DftS)
Male User Gallery

Registered: 04/27/01
Posts: 7,275
Loc: Erra - 20 Tauri - M45 Sta...
Last seen: 6 months, 7 days
Re: Possible Popcorn Contam [Re: Sko]
    #1598308 - 06/01/03 03:43 PM (13 years, 6 months ago)

Only time will tell but it doesn't sound any good...

MAIA


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Spiritual being, living a human experience ... The Shroomery Mandala



Use, do not abuse; neither abstinence nor excess ever renders man happy.
Voltaire


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InvisibleSixTango
Mycota

Registered: 01/21/02
Posts: 1,996
Loc: A little North of Paradis...
Re: Possible Popcorn Contam [Re: Sko]
    #1598573 - 06/01/03 05:24 PM (13 years, 6 months ago)

Both these nasties turn a BRIGHT RED (from the FAQ)

Lipstick Mold – Sporendonema purpurescens (Geotrichum candidium)

This fungus colonizes compost or casing. As spores mature, the color of the mold changes from white to pink, to cherry red, and finally to dull orange. It is slow growing. Spores spread in air, during watering, and on pickers. The lipstick mold utilizes certain fats in the compost. It is an uncommon problem. Control is centered around sanitation.

Pink Mold; Red Bread Mold – Neurospora

Commonly to occasionally seen on agar and grain. Neurospora is fast growing, sometimes taking only 24 four hours to totally colonize a media filled petri dish. It is ubiquitous in nature, occurring on dung, in soils and on decaying plant matter. Since this fungus grows through cotton stoppers or filter discs, a single contaminated jar, though sealed, can spread spores to adjacent spawn jars within the laboratory. This condition is more likely if the filter discs or cotton plugs are the least bit damp; or if the external humidity is high. Furthermore, Neurospora spores germinate more readily at elevated temperatures. The pink mold seen in mushroom culture is most frequently Neurospora sitophila, a pernicious contaminant that is difficult to eliminate. All infected cultures should be removed as soon as possible from the laboratory and destroyed. A thorough cleaning of the laboratory is absolutely necessary. If contamination persists, remove all spawn and start anew.




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~whiskey river rafting, hot tubbing, dirty dancing & spending money on - wild women - having fun & just gonna waste the rest~


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Invisibledog
straw dog

Registered: 06/20/02
Posts: 2,790
Loc: Route 66
Re: Possible Popcorn Contam [Re: Sko]
    #1598584 - 06/01/03 05:27 PM (13 years, 6 months ago)

Quote:

My problem is that some of the popcorn is turning red... is my culture doomed?



No.

I have seen this described in several threads, like this one, and it is normal.

You should be fine.


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Fascism (fash'izem) n. A governmental system marked by a centralized dictatorship, stringent socioeconomic controls, and often belligerent nationalism. see also: the Bush Administration.


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Invisiblerobinhood2
merry man w/outthe tights!
Registered: 07/22/02
Posts: 110
Re: Possible Popcorn Contam [Re: dog]
    #1598634 - 06/01/03 05:38 PM (13 years, 6 months ago)

Yeah listen to dog.....popcorn is supposed to turn red when fully colonized. It's all over the threads on popcorn.


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"Rob? That's a naughty word, we never rob. We just.. borrow a bit from those who can afford it."


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OfflineSko
Democrat

Registered: 04/21/03
Posts: 203
Loc: Pacific Northwest
Last seen: 11 years, 8 months
Re: Possible Popcorn Contam [Re: robinhood2]
    #1601759 - 06/02/03 04:36 PM (13 years, 6 months ago)

Ok, I'll be alright, thanks mucho!  :smile:


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Sko


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Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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