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 Fungi Fundus
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Registered: 05/20/08
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Last seen: 15 days, 21 hours
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 Casing Problem?
#8567412 - 06/26/08 03:55 PM (5 months, 3 days ago) |
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My friend who has done some mycology in the past is having some trouble getting back into it and cant figure out exactly what is going on.
She is using straw/horse dung substrate which went well with the rye grain spawn run. Then she cased with 50/50+ using hydrated lime. She doesn't have a way of testing pH but used this same casing in the past with great results. Casing layer is about 3/4 inch thick with the sub being 4".
The casing layer was slow to have any myc getting into it. Moisture level seemed fine. She patched the few spots that were coming in and waited until she could see some myc in the valleys then went into fruit conditions. She remembers only doing 20 minutes of light in the past with good results, but started to try to run longer periods which are being suggested in posts shes been reading.
The myc growth seems almost to have retracted and is getting the sub pulling away from the sides of the tray. Shes got a bit of a fruit fly problem but not terrible. She is in day 4 of fruit conditions. Good air exchange.
Being as the casing layer took a long time and was only colonized maybe 20% when she went into fruit conditions she wonders if she just didn't let it run through the casing long enough?
What might she be doing wrong?
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WakingUp
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Registered: 04/12/08
Posts: 560
Loc: New Mexico
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how long after you cased it did you introduce to fruiting conditions
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Fungi Fundus
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Re: Casing Problem? [Re: WakingUp]
#8569002 - 06/26/08 09:58 PM (5 months, 2 days ago) |
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It was about 9 days from casing to inducing fruiting conditions and the casing colonization was fairly sparse. She remembers letting the casing colonize more before going into fruiting but has been reading here that you only need to wait until it's about 20% which is what she did.
One thing she just mentioned, when using the flourecent light she is laying it across the open trays and the temp from the light causes a bit of a spike. She is going back to just 20 minutes of light per day. She really grew some boomers back in the day, but is fuzzy on how it all went.
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Psuper
W-W-Wyzzerdd
Registered: 02/12/08
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Loc: PNW (where else?)
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What was your spawn ratio, just out of interest?  ~Pixie~
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M.S.---> rye berries---> coco-coir, coffee grounds, vermiculite, gypsum---> 6quart trays, no casing layer
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Fungi Fundus
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Re: Casing Problem? [Re: Psuper]
#8570358 - 06/27/08 09:03 AM (5 months, 2 days ago) |
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Her spawn ratio was somewhere around 5:1? She used a quart of rye spawn into a bin with 4" x 18" x 16" of lightly compacted horse dung/straw, finely shredded.
When talking about the spike in the last post she was meaning in heat. It starts drying the top of the casing layer, thus her decision to start back into 20' light cycles which is what she did in the past.
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Fungi Fundus
Stranger
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So....
What about if she takes the casing off and recase's? She's wondering if pH is messed up. She couldn't quite remember how she pasteurized in the past. She actually put the casing material in water and kept it at 170 degrees for .5 hour. Could this have done something different to the lime?
In the 50/50+ does Ryche mean 1.5 cups of lime? She is wondering if that is wrong or what he meant by 1.2?
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RogerRabbit
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Registered: 03/26/03
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Loc: USA Mountain Northwest
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Don't fix what isn't broken. Increase light to roughly 12 hours per day of bright fluorescent light. Put the lights just far enough away so heat isn't a problem.
Fill around the edges of the tray with water and let it sit overnight, and then pour off any that will pour out. Make sure you have near 100% humidity and lots of fresh air getting to your fruiting environment. Keep the casing layer moist with several mistings per day. If humidity is low, you can lay a sheet of wax paper over the tray to hold humidity high right at the surface. It might take several more days to see pins.
RR
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Fungi Fundus
Stranger
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thanks RR.
My friend dug through one of the casings and found zero myc colonization now. She's not sure if it is too dry, too much heat from having light too close, or pH. She thinks its just going to be trouble shooting one thing at a time.
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Fungi Fundus
Stranger
Registered: 05/20/08
Posts: 6
Last seen: 15 days, 21 hours
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She is getting pinning and little guys around the outside of the casing.
She wonders if this suggest something wrong with casing? Sure seems like the myc doesn't want to grow in it.
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Anuta
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Registered: 04/11/08
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Hey, I just wanted to say that I am having almost exactly the same problem - used to grow a lot but stopped for several years, just got back into it and having exactly the same trouble with the casing layer. Myc doesn't seem to want to colonise it, or if it does it shrinks back when sprayed or introduced to fruiting chamber, then it fruits but only around the edges. I never used to have trouble with this, and I used to use exactly the same method. Pans and cubes seem to react the same, am using MushMush casing recipe. I would really like some help also!
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