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OfflineManianFHS
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Old Spores??
    #5432228 - 03/22/06 10:31 PM (17 years, 10 months ago)

I have had one P. Cubenesis spore print laying around for some time in my desk drawer. I have used it twice before to grow shrooms, however it has been about 3 years since I first received it, will this strain go bad? Is it possible that it has attained a new bacteria, even though it has been zip locked in a small baggy?

Thanks


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notapillow said: "you are going about this endeavor all wrong. clear your mind of useless fear and concern. buy the ticket, take the ride, and all that.... "

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OfflineSnaggletooth
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Re: Old Spores?? [Re: ManianFH]
    #5432293 - 03/22/06 10:45 PM (17 years, 10 months ago)

Yes I would say the spores are good.

But as far as if it's contaminated no idea...

Make a LC test run or small jar......


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Atheist Chat


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Offlineskeletor
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Re: Old Spores?? [Re: Snaggletooth]
    #5432330 - 03/22/06 10:52 PM (17 years, 10 months ago)

spores can in theory last a hell of a long time. longer then any of us will live haha. if it was sterile when it when into the zip lock it continues to be sterile now unless the bag was opened of course. i think will aged spores you'll want to leave it in the spore solution for a day or more just to let the spores dehydrate a bit. I'm not sure where i read that but hey its not going to hurt waiting an extra day.


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im sorry about your mother. She was a terrible attrative woman.

Get back to nature; hunting burgers and gathering fries.


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Offlinestelthvue
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Re: Old Spores?? [Re: skeletor]
    #5432338 - 03/22/06 10:54 PM (17 years, 10 months ago)

skeletor, do you mean rehydrate?


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No statements made in any post or message by myself should be construed to mean that I am now, or have ever been, participating in or considering participation in any activities in violation of any local, state, or federal laws. All posts are works of fiction.


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InvisiblemushboyMDiscord
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Re: Old Spores?? [Re: stelthvue]
    #5432386 - 03/22/06 11:08 PM (17 years, 10 months ago)

my friend has used 4yr old print, but it was never opened. i assume that you used proper cleaniness while handling...if you did than id say go for it!


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Offlineredshadow
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Re: Old Spores?? [Re: mushboy]
    #5432670 - 03/23/06 12:33 AM (17 years, 10 months ago)

ive used spores that were in the open and completely for many months(mabey 4-6), i also mixed them with spores that were kept in sterlized water for many mothes and stored in the fridge. my syringe was a light black/grey with spores and everything turend out fine. im not to experineced with shroom growing but i would say go for it. the only complaint i have was they took forever to germinate and spread. hence old spores


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=<{:  Its only when you've lost everything that your free to do anything.......  :}>=


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Offlinewiggles
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Re: Old Spores?? [Re: redshadow]
    #5432680 - 03/23/06 12:35 AM (17 years, 10 months ago)

I'm not sure, but I think agar (may have been someone else) has used spore prints that were 30 some years old that'd been pressed between the pages of a book. They should be fine :smile:

Just run a test LC or culture to see if they're contammed or not.


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You can turn your back on a person, but never turn your back on a drug, especially when its waving a razor sharp hunting knife in your eye.
Hunter S. Thompson


Edited by wiggles (03/23/06 12:36 AM)


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Offlinehyphae
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Re: Old Spores?? [Re: wiggles]
    #5434152 - 03/23/06 11:48 AM (17 years, 10 months ago)

Old spores work best if rehydrated as in spore syringes, allow to sit 1-2 weeks before using for best results and optimum viability. GL


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Getting the most out of your casings!, A pinning strategy.
Oyster Shell "Flour" $2 for 1lb. a hell of a deal :wink:
Not what is overlay but rather what overlay is
Gas Exchange vs. FAE

"We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"


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InvisibleHolydiver
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Re: Old Spores?? [Re: hyphae]
    #5434159 - 03/23/06 11:51 AM (17 years, 10 months ago)

Quote:

hyphae said:
Old spores work best if rehydrated as in spore syringes, allow to sit 1-2 weeks before using for best results and optimum viability. GL




Pair that with a 15 minute ultrasonic dunk, and those old spores should fire up fine.


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To find a place to live between the negatives and positives.


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Offlineredshadow
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Re: Old Spores?? [Re: Holydiver]
    #5434313 - 03/23/06 12:40 PM (17 years, 10 months ago)

make sure you boil the water you want to use to re-hydtare your spores. i know its commom sence but let the water cool before dumping your spores into it otherwise youll nuke the spores! :eek:


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=<{:  Its only when you've lost everything that your free to do anything.......  :}>=


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InvisibleRoadkillM
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Re: Old Spores?? [Re: wiggles]
    #5434390 - 03/23/06 01:01 PM (17 years, 10 months ago)

Shdwstr has used spore prints that were 22 years old.

that is the oldest that I have seen posted.

http://www.shroomery.org/forums/showflat.php/Number/4850871#Post4850871


tc


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Laterz, Road

Who the hell you callin crazy?
You wouldn't know what crazy was if Charles Manson was eating froot loops on your front porch!


Brainiac said:
PM the names with on there names, that means they have mushrooms for sale.



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Offlineimpgl
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Re: Old Spores?? [Re: Roadkill]
    #5439297 - 03/24/06 07:00 PM (17 years, 10 months ago)

what if someone wanted to do agar? how would you go about germinating?


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omg really?


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Offlinehyphae
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Re: Old Spores?? [Re: impgl]
    #5439377 - 03/24/06 07:43 PM (17 years, 10 months ago)

Whenever doing agar work I always break the surface of the agar with my loop and deposit spores below the surface this works great and is almost always the first place germination occurs. Your best bet with very old dehydrated spores is place them in distilled water for a period of time to rehydrate then you can place a few drops on agar parafilm it or seal it depending on contain, remember optimal temps and slightly higher will germinate spores sooner.


--------------------
Getting the most out of your casings!, A pinning strategy.
Oyster Shell "Flour" $2 for 1lb. a hell of a deal :wink:
Not what is overlay but rather what overlay is
Gas Exchange vs. FAE

"We all have priorities. I used a closet once setup a nice little lab trouble was all the shit that was in there ended up in the bedroom that pissed off the GF then I ended up dumping her as she was getting in the way of my sterile culture technique! Ya I got priorities too!!!"


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Offlinerye
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Re: Old Spores?? [Re: hyphae]
    #5915529 - 07/30/06 04:27 PM (17 years, 6 months ago)

hey guys i inoculated 3 petri dishes about 10 days ago w/ some spores from fsrc and still nothing. any ideas what the hell my problem is?


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blue are the life giving waters taken for granted, they quietly understand.

                                  j    hendrix.


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Invisiblefastfred
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Re: Old Spores?? [Re: rye]
    #5917977 - 07/31/06 08:35 AM (17 years, 5 months ago)

You need to make you agar soft. About 12.5g/L has worked for me. Like hyphae said, you can use your loop to imbed them in the agar. I have used a spreader to imbed them with good success. It will spread any contamination around though, so YMMV.

I germinated some 10 year old spores using 1.5% malt extract, 0.5% dextrose, and a touch of deoxycycline in an LC. I actually cut a piece of the print and dropped it into a test tube LC. I did about 8 other LC's with it and that's the only one that worked. It may have had something to do with the paper being in there with the spores.

So anyway 3 years old is nothing.


-FF


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