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Offlinerequiem99
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Registered: 10/12/05
Posts: 35
Last seen: 17 years, 4 months
My straw log won't fruit! Help!
    #5771621 - 06/20/06 06:43 AM (17 years, 7 months ago)

Ok here are the details:

Strain: B+
Amount of spawn used: 4 quarts of fully colonized popcorn (that had sit in my cupboard for 1 month after full colonization before spawning).
Log size: 18.5"
Tek used: RR (pasturized straw after soak followed tek exactly and even added the 1 cup bleach to improve success)

Everything went perfectly until I birthed the log. I waited 2 days after full colonization and birthed it without clearly seeing pins (I thought I saw some but it turned out to be popcorn kernel tips). The log has sat in it's little humidity tent as per RR tek but now the damn thing won't fruit. It's been 6 days since I birthed it (I birthed it on day 12 or 13 instead of 15 because 4 quarts of spawn in a 18 inch log meant fast, fast colonization and that's exactly what happened). I have a little myc bruising on the log but not much (and the myc is white and fluffy and overgrows the bruising just fine!).

What can I do to get this damn thing to fruit? I've tried to do everything as right as possible in this tek, even using the right kind of lime (purchased at a steep price online), and a glowire blue light to improve pinset (but with no pins at all this has meant nothing).

HELP!


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InvisibleMagash
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Re: My straw log won't fruit! Help! [Re: requiem99]
    #5771627 - 06/20/06 06:54 AM (17 years, 7 months ago)

Don't sweat it your safe. I was never able to get B+ to fruit all that fast either. Hell I had some casings take 17 days to start and that was on rye grain. Give it another week I'm sure RR will be here to help ya before then anyway.

like I said it took em 17 days to start and they turned out fine
With your being on straw they will look much nicer then these little crappers.  :wink:


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OfflineBlalok
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Re: My straw log won't fruit! Help! [Re: Magash]
    #5771754 - 06/20/06 08:29 AM (17 years, 7 months ago)

I'm not so sure that Magash is right. I started trying to grow B+ in December. To date I have produced 2 sets of jars that were very good, fully colonized - about 6 quart jars each time, each time I have cased them with perlite and vermiculite, and kept them in a tub with humidity control. I have also cycled the lights every way you can think of....and still no fruiting. I put the last tub (beginning to show contams) in my closet and am just going to let it set for a month or two. Maybe then I will try again, but right now I am disheartened. All this time and effort just to have the ability to go on vacation and trip for the second time in ten years - and no progress. I even tried harvesting the myc directly from the grain jar like one of the techs suggested. It tasted pretty bad (worse than shrooms), and I didn't even have a mood change. Oh well.


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InvisibleMagash
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Re: My straw log won't fruit! Help! [Re: Blalok]
    #5772251 - 06/20/06 11:43 AM (17 years, 7 months ago)

What are your temps? Something has to be up with what your doing. First off stop casing with perlite and verm. Verm alone would be better.


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All creatures tremble when faced with violence. All creatures fear death, all love life. If we can only see ourselves in others, then how could we possibly hurt another creature?


:growingweed: Join us at the Growery! :growingweed:


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Offlinerequiem99
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Re: My straw log won't fruit! Help! [Re: Magash]
    #5774243 - 06/20/06 09:33 PM (17 years, 7 months ago)

Still nothing, and I'm starting to get worried because it's now day 18 with no pins.


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OfflineRogerRabbitM
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Re: My straw log won't fruit! Help! [Re: requiem99]
    #5774630 - 06/20/06 11:04 PM (17 years, 7 months ago)

I can think of a few things. First, a 'blue' light isn't what you want. What you want is light that is in the higher frequency end of the spectrum. Fluorescent lamps have a light temperature of around 5000K, while incadescent bulbs have a light temperature around 3200K. Perhaps the bluest light you could use would be a metal halide, but that's serious overkill for mushies. Trash the glowire and use fluorescents.

The strawlog tek doesn't call for bleach. If someone has added that, it was without my knowledge or approval. The correct lime to use is hydrated lime.

It's always best to wait to see pins before birthing. You should also expose to light from the day of spawning. The straw will colonize fast, so by giving light the whole time, you'll get one or two early pins, then when you birth, the massive change in gas levels along with full colonization will trigger a great pinset, providing you have a good strain.

At this point, just wait. Make sure it gets plenty of air exchange.
RR


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"I've never had a failed experiment.  I've only discovered 10,000 methods which do not work."
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Offlinerequiem99
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Registered: 10/12/05
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Last seen: 17 years, 4 months
Re: My straw log won't fruit! Help! [Re: RogerRabbit]
    #5776095 - 06/21/06 11:13 AM (17 years, 7 months ago)

http://mycotopia.net/discus/messages/5/26684.html?1062098623

At the very bottom an admin added the thing about bleach.

I'm starting to see suspicious areas all over the log now that might be contam. Slightly too dark for bruising I think, and still NO PINS.

The reason I went with a specifically blue glowire is because a seasoned shroomer who grows bulk a lot said he uses them exclusively due to their color frequency being directly on what mushrooms want to pin. I forget the frequency, maybe you can refresh my memory.

On my next log I will definitely wait for pins before birthing. This sucks.


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Offlinerequiem99
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Registered: 10/12/05
Posts: 35
Last seen: 17 years, 4 months
Re: My straw log won't fruit! Help! [Re: requiem99]
    #5777538 - 06/21/06 06:48 PM (17 years, 7 months ago)

I threw the log out today, and unfortunately must chalk this one up as a total and complete failure. Not one single pin even though I followed RR's tek pretty much to the letter. I did birth 2 days early, but considering I NEVER SAW A SINGLE PIN I'm thinking this log was just not ever going to pin no matter what I did. Is 1 month too old for popcorn spawn or something? I'm very displeased with these results, and probably will not try the straw log tek again for some years due to the fact that I live in an apartment and it was a major league pain in the ass to deal with a bale of straw.


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OfflineRogerRabbitM
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Re: My straw log won't fruit! Help! [Re: requiem99]
    #5777877 - 06/21/06 07:59 PM (17 years, 7 months ago)

As a spawn material, popcorn is the absolute worst choice. The large kernel size means there is a lot of real estate to recover across whenever they are damaged by spawning. In addition, the month old jars of mycelium had considerably slowed down from the rapid growth they had during colonization. I no longer use popcorn at all unless I'm totally out of everything else and there happens to be a bag on the shelf. Rye will work much better. The smaller kernels also mean there is many more points of inoculation, as well as much more mycelium in each jar.

Next time, try rye berries, don't use bleach, and wait for pins before birthing. Use a full spectrum light or at least fluorescents. Indirect sunlight also works great.

There is no certain frequency of light that makes mushrooms pin. There is a sentence in one of paul's books where he mentions an experiment that somebody did that showed light at the high end of the spectrum works better. I can concur because I had another project going in my mushroom room once that required a 400 watt metal halide fixture, and the pinsets on my mushroom crop went way up. Jars would pin invitro almost as soon as full colonization, and these were strains that don't normally pin invitro. Just remember, when he says blue light, it doesn't mean light that 'looks' blue. Often you see the blue because that's what the glass cover filters out, making it the opposite of what you want.

It's a bummer that all that hard work went to waste. Just remember, you can't blame a tek when you deviate so much away from it. If you still have some straw left, do it again with fresh spawn and properly pasteurized straw, expose to full spectrum light from day one, and birth when you see two to three pins.
RR


--------------------
Download Let's Grow Mushrooms



semper in excretia sumus solim profundum variat

"I've never had a failed experiment.  I've only discovered 10,000 methods which do not work."
Thomas Edison


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Offlinerequiem99
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Registered: 10/12/05
Posts: 35
Last seen: 17 years, 4 months
Re: My straw log won't fruit! Help! [Re: RogerRabbit]
    #5778803 - 06/21/06 11:50 PM (17 years, 7 months ago)

The Glowire light in question -supposedly- had been tested by a myconut from a private forum I frequent and it was the proper frequency for massive pinning. It didn't "look blue", it was the right frequency of coloured light. Supposedly. I doubt you have personally tested this so I would be careful to assume that because it's unlikely, it's impossible. The information I relate came from a very trusted, experienced source, and unless you can prove to me that it's a myth, I'm doing it again next time (along with a flourescent of course). How do you apply the light to yours? 12 hour shifts?

Thanks for the tips for next time, and no, I didn't fault your tek. Don't be so defensive. You've done wonderful work.

PS: Where can I buy rye berries?


Edited by requiem99 (06/21/06 11:53 PM)


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