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Offlineeman113
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mJ experimental light ?
    #7987661 - 02/06/08 05:05 PM (15 years, 11 months ago)

Has anyone flowered with longer or shorter days?

I stopped growing 4 years ago, but I'm starting again. My last set up had my plants growing from 5" to 5' in the 8 weeks of flowering. Which was a lot taller than I wanted in the sea of green.

I was planning on trying a lighting of 6/12 for the first 4 weeks and 18/12 for the last 4 weeks. This sould put the wasted energy from the highth and put into the buds.
The plant only uses the hours of darkness to determine its time to flower.

Has anyone tried this? Or have link to someone who has. I've search for a couple days and haven't found anything.


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Invisibleimpeachme2
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Re: mJ experimental light ? [Re: eman113]
    #7987727 - 02/06/08 05:18 PM (15 years, 11 months ago)

I don't understand your lighting schedules, they don't add up to 24 hours. The less light you give it, the smaller your buds will be. Bud growth is directly related to the amount of light it gets. If you give it less light, it's not going to use any more energy into budding which would be used for shoot growth. If you want short trees, train it, or use lighting that won't cause a massive amount of stretching.


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Edited by impeachme2 (02/06/08 05:22 PM)


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Offlineeman113
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Re: mJ experimental light ? [Re: impeachme2]
    #7987964 - 02/06/08 06:06 PM (15 years, 11 months ago)

The point is to have the less and more than 24 hours.

The first 4 weeks will only have 18 hour days with 6 hours of light. The plant is streching between the nds for the first 3 weeks with little flower perduction.

The last 4 weeks will be 30 hour days with 18 hrs light. During this time the fills out and swells.

The plant needs the 12 hours of dark for flowering, but the days can be as long or as short as you want to make them. Granted you can use a regular 24 hr timer.


Sure I could remove the co2, and even one of the light through the 1st part of flowering but I'd like to put that energy into the buds. I could leave things alone and still get monster buds. I'm just greedy. I'm also trying to get the max. out of the space.


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InvisibleMagash
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Re: mJ experimental light ? [Re: eman113]
    #7989030 - 02/06/08 08:41 PM (15 years, 11 months ago)

Ok, I've done this. 12 hrs of dark is a must but the longer then 12 hour days will get you bigger buds buuuuuuuuut it will also take longer to mature.

Also works the other way. Less then 12 hours of light will get you less bud but it matures faster.


:potleaf:


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Offlineeman113
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Re: mJ experimental light ? [Re: Magash]
    #7989566 - 02/06/08 10:26 PM (15 years, 11 months ago)

The combination I posted the havest should still be in 8 weeks as it would with 24 hour days.

I'm wondering how short I can make the days. I know 6 hrs the works, but I'd like to take down to 3-4 hrs.

If I have 4 hr. days for the first two Weeks in the plant time in real time only 9 days 8 hrs have passed.

The following two weeks the days would be 6-8 hrs.

With 6 hr. Days the total real time that would have passed 20 days 6 hrs, but for the plants it will be 28 days. This gives me 186 hrs. of light to add to the the last 4 weeks of flowering. This should control highth, by taking away the energy from stem elongation, and put in the buds while keeping the original harvest date.


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Offlinemeatcakeman
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Re: mJ experimental light ? [Re: eman113]
    #7989684 - 02/06/08 10:54 PM (15 years, 11 months ago)

i see what you're saying
the only problem i see with it is the weed genetics

marijuana originating close to the equator is used to ~ 12/12 days
and flourish during their Calvin cycle
these strains would work best in my opinion for you

the problem is finding out the origins of different strains of marijuana



*if the post is irrelevant or doesn't make sense... sorry i am pretty out of it right now :crazy2:


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Hasta siempre, comandante.
:mattz:


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