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Offlinejaytonbye
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Registered: 01/26/08
Posts: 89
Last seen: 3 years, 6 months
why aren't my invitro's pinning again after first flush?
    #8137171 - 03/12/08 02:19 PM (16 years, 10 months ago)

Hey guys. I grew a bunch of invitros. After the first flush I dunked, but its been 3 weeks and there is no growth on any of them (15). There is no visible mold. I opened a cake just now and it still smells fresh and seems damp.

I dont know which strain I am using as I got it from a friend (it is p. cubensis though, I just forgot the name). It took a really long time for the cakes to begin pinning after they had fully colonized the jars (maybe 3 weeks), I probably should have cold shocked them, but whatever.

Do you guys think that cold shocking them at this point will cause them to resume pinning? I had the same problem with these cakes in my PF tek (they took a long time to beggin pinning again after the first flush).

My dunks have been 18-24 hours and they were not in the fridge (I had to be stealthy, but I no longer have that issue and all subsequent dunks will be done in the fridge).

The cakes did have a semi-sweet smell after dunking, but so did the ones that resumed growing in my PF.

all feedback is much appreciated, thanks a lot.

~Jayton

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Offlinejaytonbye
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Registered: 01/26/08
Posts: 89
Last seen: 3 years, 6 months
Re: why aren't my invitro's pinning again after first flush? [Re: jaytonbye]
    #8137180 - 03/12/08 02:21 PM (16 years, 10 months ago)

I forgot to mention that the temperature is in the low-mid 70's.

thanks

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OfflineGrowBuddy
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Registered: 02/29/08
Posts: 109
Last seen: 16 years, 5 months
Re: why aren't my invitro's pinning again after first flush? [Re: jaytonbye]
    #8137508 - 03/12/08 03:49 PM (16 years, 10 months ago)

I think the temperature is probably fine. Try cold shocking them maybe for 24 hours and seeing if that helps at all.


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Offlinejaytonbye
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Registered: 01/26/08
Posts: 89
Last seen: 3 years, 6 months
Re: why aren't my invitro's pinning again after first flush? [Re: GrowBuddy]
    #8137535 - 03/12/08 03:56 PM (16 years, 10 months ago)

yea, I already through two in the fridge. gonna see if that helps. If it does, the rest will follow.

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Invisiblelipa


Registered: 07/24/07
Posts: 2,684
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Re: why aren't my invitro's pinning again after first flush? [Re: jaytonbye]
    #8137571 - 03/12/08 04:06 PM (16 years, 10 months ago)

Cubensis doesn't need a cold shock to fruit. Invitros actually do pretty well if you just pour a sterile water in there 1/4 the way up. I have done this many times. Usually the culture will soak it up before it fruits and literally spit what it doesn't use back out when it's done. I've done this with hundreds of jars in the past. Works especially well with invitro coir cultures.

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OfflineBikerfool
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Registered: 11/21/05
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Re: why aren't my invitro's pinning again after first flush? [Re: lipa]
    #8137582 - 03/12/08 04:10 PM (16 years, 10 months ago)

The cakes may not have enough fresh air exchange to induce pinning. Try a terrarium.

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OfflineRogerRabbitM
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Re: why aren't my invitro's pinning again after first flush? [Re: Bikerfool]
    #8137592 - 03/12/08 04:13 PM (16 years, 10 months ago)

They often don't fruit invitro a second time. I'd dunk again and place in a terrarium, or bury outside in manure if temperatures are suitable.
RR


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InvisibleBUDDHA_702
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Registered: 02/17/07
Posts: 1,296
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Re: why aren't my invitro's pinning again after first flush? [Re: Bikerfool]
    #8137597 - 03/12/08 04:15 PM (16 years, 10 months ago)

Cold shocking is BS!!!


How long has it been after the last dunk?
They probably just need some more time.

most of my invitro coir bags took 7-10 days to start pinning again.

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Invisiblelipa


Registered: 07/24/07
Posts: 2,684
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Re: why aren't my invitro's pinning again after first flush? [Re: Bikerfool]
    #8137598 - 03/12/08 04:16 PM (16 years, 10 months ago)

|If you have some kind of filter on the jars or bags just put a fan in the room to cause turbulence. That should be enough to get things going with cubes. They can tolerate quite a bit of co2 and still fruit.

Edited by lipa (03/12/08 04:17 PM)

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Invisiblelipa


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Re: why aren't my invitro's pinning again after first flush? [Re: RogerRabbit]
    #8137625 - 03/12/08 04:22 PM (16 years, 10 months ago)

Quote:

RogerRabbit said:
They often don't fruit invitro a second time. I'd dunk again and place in a terrarium, or bury outside in manure if temperatures are suitable.
RR




I don't agree with this! I have a good 7 years under my belt doing this with cubes. As long as you have some kind of filter for air exchange you can get from 5 to 8 flushes in a quart jar off coir, popcorn, coir /bran or rye berries ect. Of couse each flush will be smaller as time goes by. Like I said make sure you have some turbulence in the room.

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Offlinejaytonbye
Stranger
Registered: 01/26/08
Posts: 89
Last seen: 3 years, 6 months
Re: why aren't my invitro's pinning again after first flush? [Re: lipa]
    #8138423 - 03/12/08 07:17 PM (16 years, 10 months ago)

my cakes are 50/50 brown rice/verm.

I have no filter (?).

the only thing for air exchange is the 4 holes I used to inoc.

the first time I ever grew we got 4-5 flushes out of every cake invitro. maybe it's harder with this strain?

thanks for all the responses.

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