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ever seen this strange contam? [ slime mold ?]


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#21 oeisa

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Posted 11 September 2007 - 12:20 PM

Is there a funny smell like ammonia or fish? Was the manure bagged or fresh from the farm?


pretty sure it was that black kow brand. but i had been using the same bag for months before, and pasteurizing every time. no weird smells that i remember.

#22 oeisa

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Posted 11 September 2007 - 12:27 PM

I don't know if pseudomonas goes aerial like in your pics, since it's a slime mold, but I've only seen it on agar as yet so I don't know for sure if that's what it could be, but it's my guess. It also thrives in high humidity, so your environment may be too wet. Some species are beneficial to fruiting (in Agaricus culture anyway) but some can cause problems for people, such as blindness. There are well over a hundred species of pseudomonas, and your contaminant may not even be one of them, but I'm also voting for "don't eat 'em."


Well, I can verify that this stuff has the consistency/texture of snot/slime.

And there was never any danger of anyone eating any of it. Enough stuff to be anxious about when tripping without worrying about dying from contaminants.

At this point I'm just watching to see if anything interesting happens to it. Eventually it'll be moved from quarantine to the 100+ degree cement graveyard where all casings go to compost.

#23 Hippie3

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Posted 11 September 2007 - 12:29 PM

this stuff seems to have no effect on the growing pins at all. they just keep going and take it along with them. i don't know what to make of it.

whoa, that's a new one even for me.
WTF ?

#24 cheshire

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Posted 11 September 2007 - 12:35 PM

if thats what i had then id be careful.. i had summin similar to that, it seemed as if another form of ryzomorphic growth had
come and attacked the plant in the form of black slimy spikey mycelium.. if its the same thing as mine, should u break ur cake open
you will see that the entire thing will have been eaten from the inside and it will all be that colour, had ages ago and it scared me hehe

have u broken it open yet? if im right and its what happened to me ur cake will be black on the inside :(

dont think eatings a good idea?:flamer:

#25 Beast

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Posted 11 September 2007 - 12:40 PM

Yeah, I second what TVCasualty says, that looks just like a slime mold to me.

The one's I've seen in the forest have generally been yellowish.

They are really neat organisms, too bad its on your mushrooms and all, but I still think they are fascinating. They sort of move, not only relocate, but if you look real close, you can see a sort of vascular activity, from what I recall from botany class.

#26 oeisa

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Posted 11 September 2007 - 06:15 PM

have u broken it open yet? if im right and its what happened to me ur cake will be black on the inside :(


it's actually a casing, in one of those 12 qt dish washing tubs. it stalled and didn't colonize 100%, which i'm sure is why this contam happened. whenever i dump it, i'll look for black that isn't uncolonized substrate/casing/whatever.

#27 cheshire

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Posted 11 September 2007 - 06:26 PM

it's actually a casing, in one of those 12 qt dish washing tubs. it stalled and didn't colonize 100%, which i'm sure is why this contam happened. whenever i dump it, i'll look for black that isn't uncolonized substrate/casing/whatever.


yeah foaf was casing also.. im sure its that thing qhich caused the stall haha :weedpoke:

yeah if its the same thing as mine ul open it up to see black mycelium like growth inside.. on not :p


either way chuck it dont take the risk.............

#28 BuckarooBanzai

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Posted 11 September 2007 - 09:05 PM

PLEASE take pictures when you trash it. Documenting bad stuff is almost as important as documenting good stuff!

Very glad to hear you aren't planning on eating those...

#29 oeisa

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Posted 12 September 2007 - 11:54 PM

So now there is this brown stuff growing. I tried to scrape most of the original contam away when I was picking off the first flush, to see if it would come back. I don't know if this brown stuff is a whole different contam, or part of the life cycle of the original one. The brown stuff is dry and it seems very sticky. I immediately washed my hands after I poked at it. I think tomorrow I will have to dispose of this whole thing and take pictures of the inside if there's anything weird in it.

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#30 oeisa

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Posted 13 September 2007 - 12:10 AM

better pic

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#31 dial8

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Posted 13 September 2007 - 08:48 AM

Whoa! That is some weird shizzle. My vote goes to slime mold too. If I recall correctly the individual cells can move and agregate towards one another. When they come together they form a reproductive structure. Where the cell is located, relative to the other cells in this reproductive structure, dictates its function.

Pretty cool!

#32 TVCasualty

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Posted 13 September 2007 - 09:27 AM

I attached a pic showing a similar structure to yours... Looks like the fruiting bodies of a slime mold.

This is a pic of Stemonitis fusca fruit bodies, which looks like the stuff stuck to the sides of your tray. The pic is just an example; there are many species that look like that so there's a high probability that it's not Stemonitis but it's probably in the same family. It'll be impossible to I.D. to species through pictures; time to buy a microscope!

Oh, and the appearance of the brown things means this mold has sporulated, so now I would highly recommend a thorough bleach-mopping of the room they were in (including the walls and ceiling), and as much of the rest of your place as you feel like mopping... Just as precaution against future contamination. I would also reduce the humidity in future grows and increase aeration (an rH of over ~95% after pins have set is too wet for a casing unless there's constant air movement and a high rate of FAE, IME).

Thanks for sharing the pics, very interesting!

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#33 dumbfounded1600

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Posted 19 January 2008 - 12:13 PM

High humidity+low air exchange=that and being
"deleted"

#34 oeisa

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Posted 21 January 2008 - 03:08 AM

and being
"deleted"


?

#35 Lazlo

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Posted 21 January 2008 - 10:27 AM

Don't ask. You now see "former member" under his nym for good reasons.

#36 AlterdImage

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Posted 22 January 2008 - 12:54 AM

Whoa! That is some weird shizzle. My vote goes to slime mold too. If I recall correctly the individual cells can move and agregate towards one another. When they come together they form a reproductive structure. Where the cell is located, relative to the other cells in this reproductive structure, dictates its function.

Pretty cool!


Ya when I got my IAQ Specialist certification there was a paragraph on slime molds. They come together and create a single creature sort of that crawls across the surface and when it gets to where it wants to be a tower grows out of it and it ejects the spores from it's tip. Something like that. I just remember joking that if I ever saw mold taking a walk across a piece of drywall I would quit remediation work....lol
never seen it though. The one they spoke of was green though. I have only seen white mold on plastics and it was aspergillus which is usually black.

#37 dial8

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Posted 22 January 2008 - 09:12 AM

Yeah man, slime mold is wierd. When the cells come together to form the reproductive structure the cells differentiate themselves based on where they are positioned on the reproductive "tower" and how they are oriented relative to the other cells on that tower. So the ones closer to the tip/end are the sporulators and the others closer to the base have other functions.

#38 eatyualive

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Posted 22 January 2008 - 09:27 AM

looks like shredded cheese, i wouldn't eat it!

#39 bobdolerson

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Posted 04 March 2008 - 10:17 PM

This thread has been inactive for a while, but i'm in a bio class, and my prof put up a picture of plasmodial slime mold. I had to stop myself from yelling, "hey! that's what was growing on those magic shrooms!!"

any idea what species? you said it turns orange, so it makes me think plasmodial (bright colors are plasmodial, single cell, says my book). Anyway, i don't know if you've already dealt with the issue and figured it out or not, i just thought it was interesting to see something on here in class too, and would bring any info i got to the table.

good luck with the slimy moldy stuff.




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