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TryptamineDream
Stranger
Registered: 07/22/09
Posts: 194
Last seen: 1 year, 2 months
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Possible contamination
#11070963 - 09/16/09 03:24 PM (14 years, 6 months ago) |
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I'm not sure, but this looks as if it could be some sort of contamination. It is definitely suspicious and somewhat unhealthy looking, but I am no expert. When I first noticed this abnormality the jar was perhaps around 70% colonized, and this contamination was directly above the uncolonized area of the jar ("on" the mycelium), but did not occupy the uncolonized substrate. Since then, a week has passed, and this "contamination" has not grown or changed in appearance significantly. The mycelium has successfully colonized the remaining substrate at a normal speed. These two factors lead me to believe there is a significant possibility that this isn't a contamination, but just some substrate that got squished against the side of the jar or something.
Also, this jar was inoculated on August 7th, which means it has been colonizing for over five weeks. The slow colonization is a result of the fact that I used MS inoculation and only one inoculation point germinated, and the entire jar has been colonized from that one point. This "contamination" is on the opposite side of the jar where the mycelium has grown through the substrate to the other side. Because the mycelium has been colonizing this jar for so long, I think there is also a possibility that this stuff is just metabolites.
Feedback is appreciated... the appearance of this "contamination" reminds me of some pictures of bacterial contamination I've seen, so I want to be safe before I try birthing this jar. I've got five other successful cakes from the same batch, so if this jar is contaminated, it's no loss... however, the fact that it hasn't grown or changed (while meanwhile, the mycelium continues to colonize as rapidly as ever) leads me to believe it's not a contamination after all.
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myco_mikey_mo
Mycologist For Hire
Registered: 09/11/09
Posts: 1,460
Loc: The PNW
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if you can birth it out in a seperate fruiting chamber. just in case it is bad. but you may be suprised, it could be nothing. whenever im not SURE its contams. i just cut a section of a two liter bottle out and birth a single cake in that. few times i've had to throw out but more than not the myc. will just grow over and it turns to be a healthy cake. but if it is contam. don't try to save it. throw it out. you can even go one step further and PC the jar before opening it...to kill everything. then make sure to discard and bleach the jar real good.
-------------------- -Give a man some mushies, He'll trip for a day...Teach a man to cultivate, He'll trip for a lifetime- Self healing Tyvek and Silcone lids for Trade... PM me Looking for anybody with extra spawn bags for trade... PM me
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TryptamineDream
Stranger
Registered: 07/22/09
Posts: 194
Last seen: 1 year, 2 months
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I might go to the trouble of making another fruiting chamber, but I'd like to get some more opinions on whether or not it's a contam, if possible... so... I'm basically bumping this thread. Does anyone else have any input? Oh, and I should add that the jar doesn't smell particularly strange.
Edited by TryptamineDream (09/17/09 07:06 PM)
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MycoDan
Horticulture.2.Mycology
Registered: 08/26/09
Posts: 75
Loc: OHIO
Last seen: 13 years, 9 months
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I dont think that its a contam. i had that happen to 1 of my jars and when i birthed it was healthy as can be. It might be metabolites, or it could be drying out a little..
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myco_mikey_mo
Mycologist For Hire
Registered: 09/11/09
Posts: 1,460
Loc: The PNW
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Re: Possible contamination [Re: MycoDan]
#11080902 - 09/17/09 11:41 PM (14 years, 6 months ago) |
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i have a few cakes right now that look exactly like yours. shouldn't be a problem. i'm gonna fruit mine out. and the extra fruiting container is just for extra measure. im always like that. its not needed but better safe than sorry my mama always told me.
-------------------- -Give a man some mushies, He'll trip for a day...Teach a man to cultivate, He'll trip for a lifetime- Self healing Tyvek and Silcone lids for Trade... PM me Looking for anybody with extra spawn bags for trade... PM me
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