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OfflineDarkStar1
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Registered: 06/21/02
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casings
    #879166 - 09/12/02 12:14 AM (14 years, 2 months ago)

Maybe I got lucky but i cased several cakes without steralizing the vermiculite layor and got no contamination so far. What are the chances it will remain healthy?


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OfflineBruiser
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Re: casings [Re: DarkStar1]
    #879170 - 09/12/02 12:18 AM (14 years, 2 months ago)

You should hopefully be okay. Verm has no nutritional value (as a casing shouldn't) so just wait and see. Misting with a 3% h202 solution might help too. Good luck. :smile:
-Bruiser 


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-I put the chrome to your dome


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Offlinehappygrins
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Re: casings [Re: DarkStar1]
    #879171 - 09/12/02 12:19 AM (14 years, 2 months ago)



Probably about the same chances of you sterilizing the verm. layer next time.  :wink:  ....Just make sure you mist it when it looks dry (And dont mist to much.. You dont want puddles or anything just a nice spray. Also spray upwards so it lands softly on Verm.)  and spray lysol around your area before fanning and you may make out ok...

--happygrins :grin:


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OfflineMortMtroN
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Registered: 09/09/02
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Re: casings [Re: Bruiser]
    #879535 - 09/12/02 03:46 AM (14 years, 2 months ago)

"Verm has no nutritional value (as a casing shouldn't)"

Then why do people use peat moss?


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OfflineBruiser
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Re: casings [Re: MortMtroN]
    #879632 - 09/12/02 04:50 AM (14 years, 2 months ago)

A casing is used to supply water to the forming fruitbodies. People use all kinds of different things as casings. Some things hold water better than others.
From The TMC:
Functions

The basic functions of the casing layer are:
1. To protect the colonized substrate from drying out.
Mushroom mycelium is extremely sensitive to dry air. Although a fully colonized substrate is primarily protected from dehydration by its container (the tray, jar or plastic bag), the cropping surface remains exposed. Should the exposed surface dry out, the mycelium dies and forms a hardened mat of cells. By covering the surface with a moist casing layer, the mycelium is protected from the damaging effect of drying. Moisture loss from the substrate is also reduced.
2. To provide a humid microclimate for primordia formation and development.
The casing is a layer of material in which the mushroom mycelium can develope an extensive, healthy network. The mycelium within the casing zone becomes a platform that supports the formation of primordia and their consequent growth into mushrooms. It is the moist humid micro climate in the casing that sustains and nurtures mycelial growth and primordia formation
3. To provide a water reservoir for maturing mushrooms.
The enlargement ot a pinhead into a fully mature mushroom is strongly influenced by the available water, without which a mushroom remains small and stunted. With the casing layer functioning as a water reservoir, mushrooms can reach full size. This is particularly important for heavy flushes when mushrooms are competing for water reserves.
4. To support the growth of fructification enhancing microorganisms.
Many ecological factors influence the formation of mushroom primordia. One of these factors is the action of select groups of microorganisms present in the casing. A casing prepared with the correct materials and managed according to the guidelines outlined in this chapter supports the growth of beneficial microflora.

-Bruiser


--------------------
-I put the chrome to your dome


Edited by Bruiser (09/12/02 05:03 AM)


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OfflineMortMtroN
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Re: casings [Re: Bruiser]
    #879760 - 09/12/02 05:58 AM (14 years, 2 months ago)

Well peat moss would do all of the above, I think. If you were a mushroom grower, what would you use?


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OfflineBruiser
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Re: casings [Re: MortMtroN]
    #879773 - 09/12/02 06:02 AM (14 years, 2 months ago)

If I was going  to grow mushrooms, I would try coco coir. I haven't used it, but it gets some pretty good reviews. Dries out quickly though. 50/50 and straight verm always work well too, so I hear. :wink:
-Bruiser 


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OfflineDarkStar1
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Re: casings [Re: Bruiser]
    #881172 - 09/13/02 12:53 AM (14 years, 2 months ago)

Once the mycelium starts growing on the surface of the casing should the mist be allowed to land directly on the casing or should a dual chambered tank be used?


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OfflineAnnoA
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Re: casings [Re: DarkStar1]
    #881199 - 09/13/02 01:08 AM (14 years, 2 months ago)

>should the mist be allowed to land directly on the casing
Yes.
Read http://shroomery.org/faq/faq.php?display=faq&nr=59&catnr=4&prog=1&lang=en .


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