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Offlineinvitro

Registered: 05/03/13
Posts: 2,489
Last seen: 1 year, 2 months
White mold
    #22211531 - 09/09/15 12:23 PM (5 years, 5 months ago)





I believe there is a white mold contaminating this sub, It's isolated to one spot (can you see it?).  What I would like to know is is it going to
take over the whole sub or can the good myc hold it's own against it?

Tough question I know!


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Invisiblesweetpea
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Registered: 12/29/13
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. [Re: invitro]
    #22211559 - 09/09/15 12:30 PM (5 years, 5 months ago)

.


Edited by sweetpea (09/09/15 04:50 PM)


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Offlineinvitro

Registered: 05/03/13
Posts: 2,489
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Re: White mold [Re: sweetpea]
    #22211795 - 09/09/15 01:31 PM (5 years, 5 months ago)

I've dealt with this mold for a while now, it doesn't sporulate(or if it does the spores are white too), it does have a distinctive smell, and denser colonization pattern.  I think with age the appearance changes to become more obvious (maybe not in all cases- hard to say I usually pitch it out as fast as I can) , it makes odd little mounds and starts to yellow a bit and makes these structures that resemble clusters of small ice crystals.  Oh well, I guess I'll find out soon since I birthed them just now.

It's the upper right corner in pic #1, it smells like chemicals.


Edited by invitro (09/09/15 01:34 PM)


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InvisibleMad Season
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Re: White mold [Re: invitro]
    #22212170 - 09/09/15 03:00 PM (5 years, 5 months ago)

I see bacteria for sure. The lumpy white cottage cheese look is generally a reaction to bacteria. If you have clean agar and spawn.. along with a properly prepared substrate, you should be getting no bacteria or unknown white molds.

http://www.shroomery.org/forums/showflat.php/Number/22020260
This is a good link if you haven't read it already.


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Offlineinvitro

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Re: White mold [Re: Mad Season]
    #22212192 - 09/09/15 03:05 PM (5 years, 5 months ago)

Could be bacteria, I was thinking mold because of how thick the myc gets, but maybe that's just a reaction..

Is bacteria known to spear though a colonized sub?  Not to my knowledge... so there is hope for some fruits...


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Invisiblesweetpea
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. [Re: invitro]
    #22212202 - 09/09/15 03:08 PM (5 years, 5 months ago)

.


Edited by sweetpea (09/09/15 04:51 PM)


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InvisibleMad Season
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Re: White mold [Re: invitro]
    #22212215 - 09/09/15 03:13 PM (5 years, 5 months ago)

Quote:

invitro said:
Could be bacteria, I was thinking mold because of how thick the myc gets, but maybe that's just a reaction..

Is bacteria known to spear though a colonized sub?  Not to my knowledge... so there is hope for some fruits...



Yeah there's hope. Bacteria thrives in a low fae, high hydration/humidity and high temperature environment. To keep it at bay just up the fae, keep temps around 70, and don't let it get so wet. It looks a little too wet in the pic, but the quality is hard to make out.

Generally it isn't a problem in fruiting because of the high fae we provide. But we always get those oddballs during the summer time.


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Edited by Mad Season (09/09/15 03:16 PM)


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Offlineinvitro

Registered: 05/03/13
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Re: White mold [Re: Mad Season]
    #22212229 - 09/09/15 03:17 PM (5 years, 5 months ago)

It only looks wet because I just introduced fae today.

I put 1/2 inch of verm on top.  I'm leary of fruits grown on directly on bacterial subs, I think those fruits are basically worthless, somehow the chemical composition is changed for the much worse I think..


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InvisibleMad Season
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Re: White mold [Re: invitro]
    #22212243 - 09/09/15 03:24 PM (5 years, 5 months ago)

Fruits from a bacterial substrate aren't bad. In fact any contamination on the substrate won't effect fruits edibility (Although contaminations on fruits, I would stay clear from those). No one's ever gone to the hospital from eating a fruit from a contaminated substrate (and in the wild every substrate is contaminated with some sort of mold or bacteria). The only reason I don't like bacterial subs is the lower BE and an increased chance of contams.

But higher fae will keep it down man. Just keep an eye on it, and make sure there's no other sporulating molds :smile:


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OfflineKizzle
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Re: White mold [Re: invitro]
    #22216555 - 09/10/15 01:46 PM (5 years, 5 months ago)

Quote:

invitro said:
It only looks wet because I just introduced fae today.

I put 1/2 inch of verm on top.  I'm leary of fruits grown on directly on bacterial subs, I think those fruits are basically worthless, somehow the chemical composition is changed for the much worse I think..



You know some mushroom species can't even produce fruits without bacteria. They cater to certain bacteria just as your body does. So while substrate can support all sorts of bacterial growth a living mushroom itself only supports certain kinds. There's a long history or people eating mushrooms grown on all sorts of crap, including actual crap :tongue: and yet no evidence it makes the mushroom harmful in any way.


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Offlineinvitro

Registered: 05/03/13
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Re: White mold [Re: Kizzle]
    #22216609 - 09/10/15 02:02 PM (5 years, 5 months ago)

Well, a couple of times I ate mushrooms that were fighting heavy infection, the mushrooms were stunted/aborted but otherwise it didn't seem like any bacteria or mold was growing on the mushroom.  I felt very ill after taking them.  I thought maybe the first time was a fluke but I've done that atleast twice. 

Maybe I should revise that to, if the mushroom develops normally it's probably ok, but if it is malformed and stunted(in a variety that does not normally show mutants), be careful, I personally would toss them, it was a very unpleasant experience.


Edited by invitro (09/10/15 02:03 PM)


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