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OfflineFamiliar Gnome
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Question regarding Spawn/Casing run & light sensitivity?
    #8150410 - 03/15/08 07:32 PM (14 years, 4 months ago)

I am wondering about the mycelium's sensitivity to light. I know that it takes a very brief exposure to light in order to stimulate the phototropic response and initate pinning.

I would like to be able to inspect my substrate during the spawn run and casing run, just to ensure the lack of contamination; but I don't want to prematurely initate pinning. I have a Petzel Tikka headlamp with a red filter for night-time map-reading (Specs: wavelength 670nm, output 3000mcd, on lowest out-put setting).

Will that wavelength avoid or initiate primordia formation?


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OfflineRogerRabbitM
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Re: Question regarding Spawn/Casing run & light sensitivity? (moved) [Re: Familiar Gnome]
    #8152740 - 03/16/08 11:38 AM (14 years, 4 months ago)

This thread was moved from Advanced Mycology.

Reason:
That crap about a few milliseconds of light to induce pinning is flat out wrong. The fact is, cubensis will 'pin' with no light at times, if the substrate is fully colonized and the survival instinct says, "make spores before you die". There is absolutely NO reason to keep your colonizing jars in the dark. During spawn and casing run, a few brief looks won't hurt too much, bur remember that looking drops the CO2 level, and that's a major pinning trigger.

I'll move this over to basic cultivation. It's off topic in advanced mycology.
RR


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Offlinedstark
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Re: Question regarding Spawn/Casing run & light sensitivity? (moved) [Re: RogerRabbit]
    #8152843 - 03/16/08 12:42 PM (14 years, 4 months ago)

Myc needs not alot of light and not strong1, I'm using special fluorescent that i bought when i was growing some weed, its not strong but gives mucho light :laugh:


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OfflineFamiliar Gnome
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Re: Question regarding Spawn/Casing run & light sensitivity? (moved) [Re: dstark]
    #8165685 - 03/19/08 10:32 AM (14 years, 4 months ago)

RR: Thanks for the info.

I'm not trying to avoid pinning per se, just trying to prevent it from happening until i've cased at least. I had a batch that started pinning before I had a chance to case, without having reduced CO2 levels; I think the only trigger could have been the built-in light in my terrarium... it was only on for a few seconds at most. I'm sure that this un-cased first flush did indeed adversely effect my yield.

dstark: Thanks also; but that wasn't really my question. Lack of light isn't my issue.


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