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Seuss
Error: divide byzero


Registered: 04/27/01
Posts: 23,480
Loc: Caribbean
Last seen: 28 days, 3 hours
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How important is a casing?
#584062 - 03/20/02 08:48 AM (21 years, 8 months ago) |
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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.
-------------------- Just another spore in the wind.
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tomldp
Shroomeur

Registered: 10/03/01
Posts: 389
Loc: Europe
Last seen: 20 years, 1 month
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Re: How important is a casing? [Re: Seuss]
#584095 - 03/20/02 09:29 AM (21 years, 8 months ago) |
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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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Visit and support the Free Spore Ring Europe
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kayaman9
enthusiast
Registered: 06/08/01
Posts: 391
Loc: windy city
Last seen: 12 years, 2 months
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Re: How important is a casing? [Re: tomldp]
#584104 - 03/20/02 09:38 AM (21 years, 8 months ago) |
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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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tomldp
Shroomeur

Registered: 10/03/01
Posts: 389
Loc: Europe
Last seen: 20 years, 1 month
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Re: How important is a casing? [Re: kayaman9]
#584111 - 03/20/02 09:42 AM (21 years, 8 months ago) |
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peat+lime = jiffy mix ! I agree, it's perfect. I prefer it to coco.
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Visit and support the Free Spore Ring Europe
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Seuss
Error: divide byzero


Registered: 04/27/01
Posts: 23,480
Loc: Caribbean
Last seen: 28 days, 3 hours
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Re: How important is a casing? [Re: kayaman9]
#584212 - 03/20/02 12:11 PM (21 years, 8 months ago) |
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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.
-------------------- Just another spore in the wind.
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babyshroom
addict
Registered: 09/09/01
Posts: 456
Loc: Florida
Last seen: 19 years, 8 months
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Re: How important is a casing? [Re: Seuss]
#584342 - 03/20/02 02:27 PM (21 years, 8 months ago) |
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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.
-------------------- I don't really know anyone who grows mushrooms. I just come here for fun.
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Swami
Eggshell Walker

Registered: 01/18/00
Posts: 15,413
Loc: In the hen house
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Re: How important is a casing? [Re: Seuss]
#584374 - 03/20/02 02:54 PM (21 years, 8 months ago) |
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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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The proof is in the pudding.
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