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Offlinesubstrate33
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Registered: 02/23/13
Posts: 26
Last seen: 7 years, 8 months
rye grain substrate
    #17851478 - 02/23/13 07:59 AM (11 years, 26 days ago)

Hello shroomery,

swim needs a little advice in rye grain Cubensis cultivation.
Swim has one brf cake and one rye grain "cake" in the same terrarium with identical conditions for both substrates.
Temp ~23C (73,4F), RH% 85-100 (ultrasonic mister working 24/7 in 15min intervals), plenty of fresh air (no CO2 PPM meter yet, but the fresh air supply in the terrarium is decent enough).
BRF cake was inoculated with syringe, colonized about a month, birthed, soaked for 20h, covered with vermiculite layer, sitting in the terrarium and fruiting normally.
Next to it is rye grain substrate. Inoculated with grain to grain transfer, it was colonising for about 2 months in plastic container. After this it was impossible to shake it, as the substrate was grown into a solid "cake". Swim just prepared the substrate as a regular brf cake, soaked, covered with vermiculite layer and put in the tarrarium (knowing that cubensis substrate does not necessarily need extra casing layer to induce fruiting).
The fruitbodies on the rye cake are forming really slowly. They develop really fat and short (~10mm) stems and almost no caps are forming. Then they stall at this size.
Dimensions of both cakes are W 10cm (3,94"), L 20cm (7,87"), H 5cm (1,97"), so there should not be the case of lack of nutritional mass. Although swim admits, there are no other "growth boosting" additives in the rye grain substrate, only pure ecologically cleanly grown grains. Still, the mushrooms should have plenty of nutrients to grow from.
One other reason could be high CO2 level, but as mentioned earlier, that is certainly not the case. The water supply is plentiful too, the cakes sometimes dip droplets of water and the surfaces of the cakes are always mist.
Lightning of the terrarium is built with high-lumen output LEDs and has also the 460-470nm blue LEDs included to induce primordia formation. Light cycle 12/12 as usual.
Considering everything, swim has no idea why the mushrooms on the rye cake are not forming as they should, so it would be appreciated if someone more experienced could give him some advice :smile:

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OfflineBlackPeace
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Registered: 11/18/07
Posts: 1,069
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Re: rye grain substrate [Re: substrate33]
    #17851517 - 02/23/13 08:24 AM (11 years, 26 days ago)

Your rye cakes would work better if they were properly cased with pasteurized peat moss, verm, gypsum, lime/calcium carbonate.

And stop SWIMing if you want advice, I'm pretty sure that a lot of people here just walk away when someone swim like that.

Welcome here :smile:

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Offlinesubstrate33
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Registered: 02/23/13
Posts: 26
Last seen: 7 years, 8 months
Re: rye grain substrate [Re: BlackPeace]
    #17851590 - 02/23/13 09:06 AM (11 years, 26 days ago)

hey,

thanks for the advice on swiming, it's kind of oldschool thing i know :smile:
When everything is done "by the book" it works a lot better, this sounds logical too.

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OfflineBlackPeace
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Registered: 11/18/07
Posts: 1,069
Loc: Canada Flag
Last seen: 10 months, 10 days
Re: rye grain substrate [Re: substrate33]
    #17856724 - 02/24/13 07:37 AM (11 years, 25 days ago)

Basicly, pining performance is very poor with only grain as substrate without a casing. For better result, this kind of substrate need a very good texture on top that also act like a small water reservoir.

The casing layer, or bulk subatrate material also  kinda protect the grains from contaminating too fast.

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