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Lukemak
Stranger
Registered: 04/04/13
Posts: 7
Last seen: 9 years, 19 days
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Stalled Fruiting Z Strain-Help
#19135863 - 11/14/13 11:48 AM (10 years, 2 months ago) |
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Hello, I have been fruiting my mushrooms now for 3 weeks and they have completely stalled out. I combined 9 1L jars of fully colonized (zstrain) wheat berries with 11 1L jars of 60% vermiculite, 40% coco-quire, 10% gypsum into my monotub fruiting chamber. I incubated for 1 week till the substrate was ~85% colonized then began exposing to light, fanning 2-3 times a day and misting 1-2 times a day. Pins began forming on days 2-7 with some small bodies forming on days 5-7. At this time growth appeared to stop and has been at this point for 14 days now. The fruiting chamber is at ~71F, and has visible condensate on the walls of the chamber. The caps of the bodies appear to have some mycelium growth on them with after searching this form appears to be indicative of a high humidity environment. Is it possibly that the air inside the monotub is at a high humidity and the substrate has dried out enough to stop growth? Should I late case them or is it to late? Any help is greatly appreciated.




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Mush4Brains
LOOL HACKED!!!

Registered: 07/31/13
Posts: 4,419
Last seen: 9 years, 2 months
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Re: Stalled Fruiting Z Strain-Help [Re: Lukemak]
#19135885 - 11/14/13 11:54 AM (10 years, 2 months ago) |
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Why would you only wait until it is 85% colonized?
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cronicr



Registered: 08/07/11
Posts: 61,436
Loc: Van Isle
Last seen: 2 years, 8 days
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Re: Stalled Fruiting Z Strain-Help [Re: Mush4Brains]
#19135908 - 11/14/13 11:59 AM (10 years, 2 months ago) |
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verticillium?
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  It doesn't matter what i think of you...all that matters is clean spawn I'm tired do me a favor
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Lukemak
Stranger
Registered: 04/04/13
Posts: 7
Last seen: 9 years, 19 days
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Re: Stalled Fruiting Z Strain-Help [Re: cronicr]
#19135936 - 11/14/13 12:05 PM (10 years, 2 months ago) |
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Quote:
Mush4Brains said: Why would you only wait until it is 85% colonized?
Unfortunately I was told I would be leaving town for work the next week for an undisclosed amount of time so I initiated fruiting. I ended up not having to leave town at this time, however likely will have to in the next couple weeks.
Sorry I should have added my reasoning for my decisions in my original post.
Quote:
verticillium?
Edit: I am having trouble finding what indicative traits of verticillium are. I read on a post by RogerRabbit that misting with peroxide can help identify fruits that are contaminated with verticillium. If the fruits turn to a fizzing ball of slime then it is contaminated with verticillium or Dactylium. Will this damage the fruits if they turn out not to be contaminated with verticillium?
Edited by Lukemak (11/14/13 12:17 PM)
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Pastywhyte
Say hello to my little friend



Registered: 09/15/12
Posts: 37,810
Loc: Canada
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Re: Stalled Fruiting Z Strain-Help [Re: Lukemak]
#19136030 - 11/14/13 12:39 PM (10 years, 2 months ago) |
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Looks like verticilium to me. I should know I've had enough of it The giveaways are the freckles on the stipes, greyish poorly formed caps, and the splitting. Normally if it was just one or two fruits infected I would say you could carefully remove them and the rest might be ok but, that thing is raging. I would dump that whole thing and be sure to clean the tub outside, or in a room that you don't work in, cause water splashing will scatter the spores everywhere. Then clean your grow space, hopefully you didn't mist those, cause then you have a big spore load on your hands.
In the future OP I recommend keeping your temps as low as possible, and your FAE high. Verticilium can't thrive in high FAE and prefers high temps. I also recommend proper pasteurization, it seemed to help me. I had such an issue with it one summer I actually had to change my grow location. If you grow in a closet, move it into the room, and don't have tubs spawning nearby, the heat they throw off is considerable.
Good luck OP 
Edit: I should also mention that getting field capacity down seemed to really help. I like to err on the dry side of things and I use Frank Horrigans dunk your grains tek to make up for it. Really speeds up colonization as well. Every sub I got verticilium in took longer than usual to spawn and was bit on the wet side.
Edited by Pastywhyte (11/14/13 12:55 PM)
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Lukemak
Stranger
Registered: 04/04/13
Posts: 7
Last seen: 9 years, 19 days
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Re: Stalled Fruiting Z Strain-Help [Re: Pastywhyte]
#19136146 - 11/14/13 01:14 PM (10 years, 2 months ago) |
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I sprayed with a 10% peroxide solution and it reacted vigorously. Looks like I will be tossing the tub contents out and starting fresh. Thanks for the quick replies.
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