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Mateo_swe
Svampsnubbe


Registered: 11/18/06
Posts: 13
Loc: Sweden
Last seen: 14 years, 6 months
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Shrooms in preasure other than 1ATM??
#6327731 - 12/02/06 03:47 PM (17 years, 5 months ago) |
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Today at work I saw this small plastc dome witch we use to test our products. We put it in there, connect the power wires, start it, and close the doom and connect preassure or suction hose. It is to simulate wear and tear of the products over years, only taking a couple of weeks.
Now the doomes have transparent lids and looks like a fruiting chamber. /at least to me... 
Any one tested to grow shrooms in under/over preassure? In my imaginary fantasy dreams they go supersize when grown with suction applied... 
Have I totaly lost it and should i call the psyciatric emergency asking them to take me in right away? Or maybee it could be a intresting experiment??
What do U think??
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shirley knott
not my real name

Registered: 11/11/02
Posts: 9,105
Loc: London
Last seen: 7 years, 4 months
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Re: Shrooms in preasure other than 1ATM?? [Re: Mateo_swe]
#6329663 - 12/03/06 07:20 AM (17 years, 5 months ago) |
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uh..... wrong forum?
-------------------- buh
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total
Post Office Tyvek Advocator



Registered: 10/03/04
Posts: 11,406
Last seen: 3 months, 6 days
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Re: Shrooms in preasure other than 1ATM?? [Re: shirley knott]
#6331878 - 12/04/06 12:51 AM (17 years, 5 months ago) |
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seems like it would be really tough to get Fresh Air in there without releasing the vacuum though...hummm...so you would prob be exposing the mushrooms to both 1atm and higher?
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deucedbi9
Stranger


Registered: 10/24/06
Posts: 4,635
Loc: UK
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Re: Shrooms in preasure other than 1ATM?? [Re: Mateo_swe]
#6332135 - 12/04/06 05:37 AM (17 years, 5 months ago) |
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i was thinking along the same lines recently mateo. what if any role does atmospheric pressure play in the initiating of fruiting. may only be intuitive and based on scientifically floored reasoning,but if eel that higher pressure during the incubating grain and bulk substrate phase,then reducing pressure(the relative change to ambient may suffice) during the fruiting phase, might mimic the natural conditions in the wild,especially when growing 'out of season'.
ok low pressure in the autumn months tend to bring with it the windy/rainy conditions that are conducive to fruiting, ie increased moisture/air exchange,so, the atmospheric pressure may be totally irrelevant of it's self,but nevertheless could be an interesting to experiment.
no idea how much pressure would be required to mimic the natural changes i wouldn't have thought it would be to extreme.maybe in the order of a few grams/ounces per square foot rather than LLB psi.to that end maybe a positive pressure type glovebox may work,using either a fan or small compressor(aquarium bubbler pump?) like i say, maybe scientifically floored.
"Now the domes have transparent lids and looks like a fruiting chamber." maybe your boss will let you use it in your lunch break mateo... lol
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creamcorn
mad scientist


Registered: 03/13/06
Posts: 2,962
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Re: Shrooms in preasure other than 1ATM?? [Re: deucedbi9]
#6332416 - 12/04/06 10:14 AM (17 years, 5 months ago) |
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such a device is useful in the germination of old or stubborn spores, as they will germinate easier in a lower pressure environment.
as for its effects on a fruitbody, slightly lower pressure could feasibly allow for quicker and perhaps larger fruit development, but i agree that FAE and such would be a major stumbling block, and the whole thing reeks of impracticality.
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acacia314
Stranger

Registered: 10/16/06
Posts: 103
Last seen: 14 years, 8 months
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Re: Shrooms in preasure other than 1ATM?? [Re: creamcorn]
#6332930 - 12/04/06 01:26 PM (17 years, 5 months ago) |
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Yeah I was thinking you might get large fruits cuz the fruit bodies grow by increasing cell size not the number of cells.
Ever see a marshmallow in one of those things. They get huge then completely deflate (i guess its more of a collapse but w/e).Imagine seeing your massive fruits deflate as soon as you returned pressure
-------------------- Here I sit my mind reposed. Pond'ring what i do not know.
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Mateo_swe
Svampsnubbe


Registered: 11/18/06
Posts: 13
Loc: Sweden
Last seen: 14 years, 6 months
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Re: Shrooms in preasure other than 1ATM?? [Re: acacia314]
#6333034 - 12/04/06 02:08 PM (17 years, 5 months ago) |
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I think i will examine the "doomes" little more and maybee they have more of those than they actually need. Maybee i can have one if i hand over some sweets to the workers at that production unit..:-)
hmm, airexchange will be a problm. but problems are there just to be solved.
And deucedbi9, yes that sounds intresting. If i succed getting my semilanceata mycelium to grow, things like that would be fun to experiment with.
/Mateo
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waixingren


Registered: 03/14/05
Posts: 2,645
Loc: SW Florida
Last seen: 11 days, 13 hours
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Re: Shrooms in preasure other than 1ATM?? [Re: Mateo_swe]
#6333170 - 12/04/06 03:01 PM (17 years, 5 months ago) |
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it may be more feasible and interesting to see how a sclerotia forming species would do in such an environment since fresh air wouldn't be as much of an issue.
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Mateo_swe
Svampsnubbe


Registered: 11/18/06
Posts: 13
Loc: Sweden
Last seen: 14 years, 6 months
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Re: Shrooms in preasure other than 1ATM?? [Re: waixingren]
#6336300 - 12/05/06 12:37 PM (17 years, 5 months ago) |
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As sclerotia is some kind of deposit or resorvair for better "fruiting times", i guess altering all kinds of parameters in the "non-fruiting times" maybee can get it to produce more sclerotia. Intresting experiment ideas indeed.
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toastdth
strangest
Registered: 12/12/06
Posts: 138
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Re: Shrooms in preasure other than 1ATM?? [Re: Mateo_swe]
#6365444 - 12/13/06 10:06 AM (17 years, 5 months ago) |
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You use a vacuum and a regulator to provide airflow, as some chemistry requires this. Turn your vacuum on, and dial in your regulator at the pressure you want. The more your vacuum pulls, the higher the airflow through the chamber will be. Thus, you set your pressure with the regulator and decide airflow with the pump itself.
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