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Offlinerobzayyyy
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Registered: 03/10/22
Posts: 7
Last seen: 1 month, 16 days
Re: Recognizing and dealing with contamination [Re: Kizzle]
    #27710644 - 03/27/22 04:55 PM (4 months, 20 days ago)

Thankyou


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Invisiblesandman420
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Registered: 06/17/04
Posts: 5,214
Re: Recognizing and dealing with contamination [Re: robzayyyy] * 1
    #27710899 - 03/27/22 09:29 PM (4 months, 20 days ago)

Once actual mold grows on something it excretes all kinds of volatile and non-volatile metabolites that make it uninhabitable for your mushroom growth.

There are chemical signals and even mycotoxins in these metabolites.

Your good hyphae will recognize these signals and make a zone of inhibition where it encounters them.


--------------------
- Sandbag Tek - How To Sterilize Spawn Bags - All About Static Pressure / Pressure Drop for DIY Flow Hoods - Sandman's LC Tek - Sandman's Glass Petri Tek -

Marijuanaut escapes earth to cultivate - Grow-room is church temple of the new stoner breed


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Offlinedyel
growing mushrooms in the desert
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Re: Recognizing and dealing with contamination [Re: sandman420]
    #27711365 - 03/28/22 12:05 PM (4 months, 19 days ago)

It's full on chemical warfare, I once read a study about using p. ostreatus to neutralize aflatoxins produced by some species of black molds don't seem to find it anywhere it was done en Mexico i think


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OfflineFremenNomad
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Re: Recognizing and dealing with contamination [Re: dyel]
    #27711499 - 03/28/22 02:27 PM (4 months, 19 days ago)

Hi, I just harvested these two cakes, unfortunately I saw the blue fuzz on the back of one of them only after harvesting. What do you think, should I toss the fruits of the cakes?

The white pins also look weird to me, what are you saying?

Those cakes have been started a long time ago, I was already going to toss them but gave it a try with the water tub tek. You can see the story of those here: https://www.shroomery.org/forums/showflat.php/Number/27711494/vc/1#27711494











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OfflinePutrema
1shroomis1shroomer

Registered: 02/20/20
Posts: 117
Last seen: 9 days, 11 hours
Re: Recognizing and dealing with contamination [Re: FremenNomad]
    #27711618 - 03/28/22 04:31 PM (4 months, 19 days ago)

I would only eat tiny amounts fresh from the first cake, if at all. Someone said to me, that he dont like the fresh experience, only the dry. And only tiny amounts of the dried version I would do, too. Some material should be tossed for sure. I mean, I did 1,2 gram shrimpled dried not beautiful mushrooms the night. And it was filthy man. I made a tea out of it and drank currant juice before ingesting the tea. I ate only some fruit and vegetables yesterday and a tiny amount of cacao chocolate hours before. In the end its your choice what to do of course. Theres beauty but pathology also I think, but thats a general thing I guess. Ill write a report first time in english


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OfflineSpaceBabyS
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Registered: 11/01/20
Posts: 2,030
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Re: Recognizing and dealing with contamination [Re: Putrema]
    #27711674 - 03/28/22 05:09 PM (4 months, 19 days ago)

the last two pics look ok. let's get someone more knowledgable to disagree but I would bin anything in the other photos.


--------------------
SpaceBaby
SPACEBABY'S LAGM22 THREAD
MUSHBOY'S SHROOM TEA TEK

Me as a cube

Another Day's Work:



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OfflineB Traven
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Re: Recognizing and dealing with contamination [Re: FremenNomad]
    #27711880 - 03/28/22 08:16 PM (4 months, 19 days ago)

Quote:

FremenNomad said:
Hi, I just harvested these two cakes, unfortunately I saw the blue fuzz on the back of one of them only after harvesting. What do you think, should I toss




Pictures can be tricky, but I don't see anything to be too concerned about here.

The blue looks like bruising to me.

I personally would pick everything on those cakes, then rehydrate them and go for a second round. And I'd only discard those tiny white immature fruit if they felt squishy, smelled off, or looked rotten on the inside. All of the more mature fruit looks fine to me. I do pull all my mushrooms apart to inspect the interior, though, and discard any individual fruits if they show even a hint of rot.

My general rule of thumb now is to discard any fruit coming from a tub with pathogenic spores that would rub off onto my finger if I touched them (usually just green trichoderma spores, but there are plenty of other colors/options.) That's also my hard line for dumping the tub and sanitizing it for the next round. I don't do PF cakes at the moment, but I'd use the same rule if I did. However, my rationale is all about not spreading contaminant spores around my space when the fruits are in the dehydrator. 9 times out of 10, the fruits that managed to come through are fine to eat. I just don't want to risk fucking up my space with invisible spores for a few extra grams of yield.


--------------------
I must not fear.
Fear is the mind-killer.
Fear is the little-death that brings total obliteration.
I will face my fear.
I will permit it to pass over me and through me.
And when it has gone past I will turn the inner eye to see its path.
Where the fear has gone there will be nothing. Only I will remain.


Edited by B Traven (03/28/22 08:18 PM)


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OfflineFremenNomad
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Re: Recognizing and dealing with contamination [Re: B Traven]
    #27712383 - 03/29/22 03:13 AM (4 months, 19 days ago)

Thanks, that sounds reasonable.The fruit were in the drier over night, the white ones were separated and now in dry state they look okay. - Im gonna check the inner parts.


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OfflineSchaCarlos
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Registered: 03/29/22
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Re: Recognizing and dealing with contamination [Re: FremenNomad]
    #27712469 - 03/29/22 07:09 AM (4 months, 18 days ago)

Hello guys,

I am wondering about my mushroom growkits(Colombian and McKennaii from Avalon). After 5 days a bright white aerial mycelium appeared on the surface of the substrate.
Now there passed already 17 days(from beginning) and there are still no mushrooms apearing.
The white stuff on the substrate doesn't changed or growed a lot. Color still white.
Shall I still wait or maybe try anything else? Does it need maybe more aire?

Thanks for your support and help!
Carlo

https://


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OfflineFremenNomad
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Re: Recognizing and dealing with contamination [Re: SchaCarlos]
    #27712829 - 03/29/22 02:14 PM (4 months, 18 days ago)

Quote:

SchaCarlos said:
Hello guys,

I am wondering about my mushroom growkits(Colombian and McKennaii from Avalon). After 5 days a bright white aerial mycelium appeared on the surface of the substrate.
Now there passed already 17 days(from beginning) and there are still no mushrooms apearing.
The white stuff on the substrate doesn't changed or growed a lot. Color still white.
Shall I still wait or maybe try anything else? Does it need maybe more aire?

Thanks for your support and help!
Carlo

https://




Unfortunately, it can be a bit tough to get help on this forum when working with a growkit. I'm not really sure if what you have is mycelium or mold there, but it might be cobweb. Try again later maybe with some more close-up pictures. 

And check this thread, search it for "cobweb" and compare: https://www.shroomery.org/forums/showflat.php/Number/17231150#17231150


Edited by FremenNomad (03/29/22 02:21 PM)


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OfflineFremenNomad
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Re: Recognizing and dealing with contamination [Re: FremenNomad]
    #27712839 - 03/29/22 02:19 PM (4 months, 18 days ago)

What are those white pins? They don't look right, do they? Growth is very slow




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OfflineB Traven
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Re: Recognizing and dealing with contamination [Re: FremenNomad]
    #27713151 - 03/29/22 06:47 PM (4 months, 18 days ago)

Quote:

FremenNomad said:
What are those white pins? They don't look right, do they?




You're probably observing more over time than is coming through in the pictures, so I'm sure you're picking up on an issue there. But to my eyes, those pictures all look fine.


It does look to me like you've got A LOT of pinning going on. If that culture were in a shoebox or monotub it would probably be going apeshit. But since there's a limit to how much one cake can support, I'm guessing that you're just watching those pins start to abort. (Very common in PF cakes) But that's just a guess.


--------------------
I must not fear.
Fear is the mind-killer.
Fear is the little-death that brings total obliteration.
I will face my fear.
I will permit it to pass over me and through me.
And when it has gone past I will turn the inner eye to see its path.
Where the fear has gone there will be nothing. Only I will remain.


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OfflinePinStalk
Stranger

Registered: 03/31/22
Posts: 1
Last seen: 4 months, 15 days
Mold/Rot?? What should i do? [Re: B Traven]
    #27715157 - 03/31/22 11:03 AM (4 months, 16 days ago)

Hello this is my first grow and so far i have realised what mistakes I've made (one being that i haven't put holes at the bottom on my sgfc) however i have come into an issue and im not sure id its because of the lack of airflow that caused this or it would be me over misting as on the 2 cakes i have in the chamber I've spotted mold or a rot like substance that have appeared on them as in the pictures. I was Wondering if someone could shed some light on this and what i could/SHOULD do.
Some extra info: they have been in the sgfc for about their 3rd day now and ive only spotted it today
Thanks for ya time :smile:
[/url]150323.jpg[/image][/url]


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OfflineSpaceBabyS
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Registered: 11/01/20
Posts: 2,030
Loc: SPACE
Last seen: 2 months, 6 days
Re: Mold/Rot?? What should i do? [Re: PinStalk]
    #27715162 - 03/31/22 11:05 AM (4 months, 16 days ago)

Quote:

PinStalk said:
Hello this is my first grow and so far i have realised what mistakes I've made (one being that i haven't put holes at the bottom on my sgfc) however i have come into an issue and im not sure id its because of the lack of airflow that caused this or it would be me over misting as on the 2 cakes i have in the chamber I've spotted mold or a rot like substance that have appeared on them as in the pictures. I was Wondering if someone could shed some light on this and what i could/SHOULD do.
Some extra info: they have been in the sgfc for about their 3rd day now and ive only spotted it today
Thanks for ya time :smile:
[/url]150323.jpg[/image][/url]





Trash it


--------------------
SpaceBaby
SPACEBABY'S LAGM22 THREAD
MUSHBOY'S SHROOM TEA TEK

Me as a cube

Another Day's Work:



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Offlineoldguynewtry
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Posts: 57
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Re: Mold/Rot?? What should i do? [Re: SpaceBaby]
    #27715321 - 03/31/22 02:02 PM (4 months, 16 days ago)

Quote:

Hello this is my first grow and so far i have realised what mistakes I've made





sorry....both are mold contaminated!


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OfflineUFOAstro
mushy


Registered: 02/15/22
Posts: 84
Last seen: 19 days, 1 hour
Green [Re: oldguynewtry]
    #27715514 - 03/31/22 04:38 PM (4 months, 16 days ago)

I inoculated 8x 16oz BRF/verm mixes and 5 days later I see... green?!



argh I assume this is beyond hope


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OfflineForresterM
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Re: Green [Re: Kizzle]
    #27715630 - 03/31/22 06:03 PM (4 months, 16 days ago)

Yup


--------------------
Repugnant is a creature who would squander the ability to lift an eye to heaven, conscious of his fleeting time here.
-------------------

Have some medicinal mushrooms and want to get the most out of them?  Try this double extraction method.


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Offlineoldguynewtry
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Re: Green [Re: Forrester]
    #27715662 - 03/31/22 06:48 PM (4 months, 16 days ago)

Quote:

beyond hope





faar, faar beyond hope...mycelium is white and the organism on your picture isn't white!


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OfflineUFOAstro
mushy


Registered: 02/15/22
Posts: 84
Last seen: 19 days, 1 hour
Re: Green [Re: Forrester]
    #27716005 - 04/01/22 03:41 AM (4 months, 16 days ago)

Quote:

Forrester said:
Yup




Quote:

oldguynewtry said:
Quote:

beyond hope





faar, faar beyond hope...mycelium is white and the organism on your picture isn't white!




From now on always doing agar and ONLY agar and EATING agar

maybe not eating


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Offlineoldguynewtry
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Re: Green [Re: UFOAstro]
    #27716343 - 04/01/22 12:35 PM (4 months, 15 days ago)

Hi,

you it can also eat ;-)

In any case, it is often recommended to test unknown MSS or LC on agar, then you will know about their quality.

In any case, you have to ask yourself why your fruity cakes go moldy, that has nothing to do with the quality of the syringe.
Moldy cultures at vaccination sites, on the other hand, already indicate contaminated vaccine solutions!


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