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Shop: Mushroom-Hut Mono Tub Substrate, Substrate Bags   North Spore Injection Grain Bag, North Spore Mushroom Grow Kits & Cultivation Supplies

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OfflineSeussA
Error: divide byzero

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Registered: 04/27/01
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How important is a casing?
    #584062 - 03/20/02 08:48 AM (21 years, 8 months ago)

How much does a casing really help with yields for P.Cubensis? I seem to have a lot better success avoiding contamination when I birth trays without adding a casing layer. My loss rate with casing is nearly 100% and I am wondering if I should continue trying to improve my techniques or just skip the casing altogether and stick to the noncased trays.

I am using a 1 inch 50/50 mix of coir/vermiculite sterilized for 1hr at 20psi on top of 4 inches of 100% colonized rye berries with a 1/4 inch of plain vermiculite on the bottom of the tray. Cobweb is the only contamination I currently have a problem with.


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Offlinetomldp
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Registered: 10/03/01
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Re: How important is a casing? [Re: Seuss]
    #584095 - 03/20/02 09:29 AM (21 years, 8 months ago)

Here is my answer :
I harvest 20 shrooms from a cake (first flush) against 70 shrooms from a casing made with one cake (first flush). 50 shrooms gained just by casing (average) !
Keep on trying. You could try to put the same material on the top and on the bottom layer, so that you would be sure everything is sterilised (+ it's better than verm). Are you sure it's cobweb ? Sometimes, mycelium looks strange. If so, really clean your fruiting chamber.
Good luck !


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Offlinekayaman9
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Re: How important is a casing? [Re: tomldp]
    #584104 - 03/20/02 09:38 AM (21 years, 8 months ago)

Whenever my friend uses the coir and pressure cooks it he always gets the cobweb too but when he just pasteurizes it he never has any problems. Also peat-verm-lime mix works real well too.


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Offlinetomldp
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Re: How important is a casing? [Re: kayaman9]
    #584111 - 03/20/02 09:42 AM (21 years, 8 months ago)

peat+lime = jiffy mix !
I agree, it's perfect. I prefer it to coco.


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OfflineSeussA
Error: divide byzero

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Registered: 04/27/01
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Re: How important is a casing? [Re: kayaman9]
    #584212 - 03/20/02 12:11 PM (21 years, 8 months ago)

I will have to try the pasteurization to see if it makes a difference over sterilization. If I do nothing, I get green and if I sterilize I get cobweb... maybe with pasteurization I will get "nothing" in between. Thanks for the input. If I continue to have problems, I will probably just switch back to 50/50 verm/peat. I hardly had any problems until I switched to coir, but I don't have a huge amount of casing experience.


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Offlinebabyshroom
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Re: How important is a casing? [Re: Seuss]
    #584342 - 03/20/02 02:27 PM (21 years, 8 months ago)

I sterilized & got cobweb, too. But I'm thinking I may have stored my sterilized casing wrong. I'm casing with Jiffy Mix. I'm planning on sterilizing in 1/2 pints and storing unopened until needed as my next plan of attack.
Update this thread after you try pasteurizing - I'd like to know the results.


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InvisibleSwami
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Registered: 01/18/00
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Re: How important is a casing? [Re: Seuss]
    #584374 - 03/20/02 02:54 PM (21 years, 8 months ago)

I too, had no luck with casings. All got contaminated with the dreaded green and cobweb molds.

This last batch, I mixed around 2 parts Dr. Bluethumbs' compost to one part grain. So far I have had zero contams. I will never go back to casing! No fruits yet (2 weeks since transfer), but rapid colonization. Will let you know the results in a few weeks.


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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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