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Cull
Stranger
Registered: 04/19/03
Posts: 2
Last seen: 20 years, 9 months
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Slowing Incubation and Maximum Incubation Times
#1473460 - 04/19/03 02:51 PM (20 years, 9 months ago) |
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Someone I met woud like to know whether variations in temperature can be used to control the total incubation time for a p. cubensis culture. He said that he knew mycelium growth slowed with lower temperatures, but he didn't know whether there was a total incubation time past which the mycelium must either fruit or die.
An example scenario: Mr. X has an incubation jar around two weeks old. For whatever reason, Mr X doesn't want to have to birth this jar for another month, though mycelium has already spread to ~80% of the jar. Can Mr X slow the growth enough by lowering the temperature to make the incubation period a month longer without harming the mycelium? How long can a culture stay in a jar, after first signs of pinning? Can growth be halted completely through refridgeration, thus keeping the culture in a suspended state? If so, for how long?
Again, thanks.
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flow
outlaw immortal
Registered: 11/20/02
Posts: 496
Last seen: 9 years, 1 month
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Re: Slowing Incubation and Maximum Incubation Times [Re: Cull]
#1473556 - 04/19/03 03:22 PM (20 years, 9 months ago) |
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yes, you can put it in the fridge to slow growth without harming the mycelium. as for whether or not there is a limit to the amount of time spent colonizing, common sense would say yes, because the mycelium will eventually use up all the nutes in the jars, but im no expert.
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RogerRabbit
Bans for Pleasure


Registered: 03/26/03
Posts: 42,214
Loc: Seattle
Last seen: 11 months, 22 days
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Re: Slowing Incubation and Maximum Incubation Times [Re: flow]
#1473599 - 04/19/03 03:42 PM (20 years, 9 months ago) |
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Paul Stamets claims to have viable strains of myc in his fridge that are 20 years old. I think he shoots for 33F. I've kept fully colonized quarts of grain for several months in a normal household fridge, and it was fine.
-------------------- Download Let's Grow Mushrooms semper in excretia sumus solim profundum variat "I've never had a failed experiment. I've only discovered 10,000 methods which do not work." Thomas Edison
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debianlinux
Myconerd - DBK



Registered: 12/09/02
Posts: 8,334
Loc: Over There
Last seen: 7 months, 20 days
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Re: Slowing Incubation and Maximum Incubation Times [Re: RogerRabbit]
#1477335 - 04/20/03 08:04 PM (20 years, 9 months ago) |
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i have used the fridge (33F) to maintain spawn masters until i needed them. that is beside the point i want to add which would be: I think you would do yourself a service to refridgerate a fully colonized substrate as opposed to using refridgeration to slow colonization of an incompletely colonized substrate. just wasn't clear on your intentions there.
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JSshroom
dont be paranoid, just aware

Registered: 06/16/05
Posts: 825
Loc: I love that spore drop
Last seen: 3 months, 2 days
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Re: Slowing Incubation and Maximum Incubation Times [Re: debianlinux]
#4495347 - 08/04/05 01:43 PM (18 years, 6 months ago) |
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cover your jars with some saran wrap and a rubber band or some coffee filters or something. I have lost jars that were fine when they were done colonizing then taken over after sitting the fridge for a month.
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