James Morrison
~*MR.MOJORISIN*~
dam yall, cannabis allready flowers fast, dont mess with a good thing
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Punani JAck
Member
that would be great for growing out 10+ week sativas...
G
Guest
BrainOGrefuGee said:
Found this at another forum (WF)and saved it, I thought it was so good. It was posted by a very knowledgable and experienced grower. I appreciate it when very experienced growers share their knowledge, saves time, money and frustration. Hope it helps! I did a little editing to fix some spelling errors and I tried to clarify some of his abbreviations because they made this guide a little hard to read. But the numbers are there and I didn't touch those. Everything from "Lighting Schedule" on down was written by the grower.
Lighting Schedule
We did a lot of experiments with light times a few years back using known sativa and sativa dominant clone lines.
With Vegging under HID lights.
20/4 produced the sturdiest growth and the most bulk. Best final yield, taken as 100%
22/2 Less of both growth and bulk. Yield 88%
18/6 Sturdier than 22/2 but slightly less bulk. Yield 87%
24/0 Much lighter in all aspects than 18/6. Yield 79%
16/8 The weediest plants. Yield 67%
Plants vegged to final pots under fluorescents at 20w per sq ft on 18/6 yield 49%
Have not tried 36 hrs dark but did try 48 hrs from 18/6 veg. The final yield was down between 15% and 20% by varying the pure sativas with the biggest loss in final weight and caused the odd herm, [sativas] it did reduce the flowering time by 5 to 8 days.
For the mum lines we have 20/4 to 12/12 gives the best crop weight and bud quality, really that’s all I’m interested in.
G
Guest
glad this thread is still chuggin, i trust mother nature too, but chill jimbo, shes only gettin like 10 percent on her clones, has anybody had success with 12 light-6 dark?
thanks
thanks
G
Guest
nice find mojo
G
Guest
Thanks aizen, been working on my grow closet for about two weeks now - the wife's calling herself a "weed widow." Everything's about to go together and when I do my first grow, I'm going to veg 20/4 using this guide. See what happens. Still new to this and I'm kinda stumbling around trying to learn all I can.
G
Guest
i would try 20/4
but i have them on 16/8 they were on 18/6 but seemed to droop after the long light period
but i'll defiantly do 20/4 the next go around
but i have them on 16/8 they were on 18/6 but seemed to droop after the long light period
but i'll defiantly do 20/4 the next go around
stikky budz
Active member
ermmm,,,,,,,how exactly???
If you're thinking along the lines of flowering under those light schedules to determine sex earlier and then keep a lady as a mum,,,,, why not just start your seeds on 12/12 from the start? You'll determine sex far quicker that way ~ usually within 2 - 3 weeks from germination ~~~~ or have i got your intentions all wrong?
stikky budz
Active member
aizen said:
Drooping during the dark period is perfectly normal.
BrainOGrefuGee
Member
^^^ Yes. Page1 knew what I meant. and yes that mojo was a good find, but it didnt have anything about the 6/12 light schedule. Thats what I was asking about..Ill ask clearer...Is there anyone here who has flowered on a 6/12 light schedule? And can you verify that your plants did finish 30% sooner?....that was the question, sorry for the confusion, read the begining of the thread, although he meant to say 6/12 light schedule...thanks
thedarkknight
Member
i've done the 6/12. it's actually 6 hours and 40 minutes on, and 12 off. The extra 40 minutes are so that the shedule is the same from week to week and not some even more ludicris bizzare constantly changing shedule. So every 7 days or 1 week of real time, the plants think it has been 9. I've started and ended flowering in a little of 1 month, its a trip 
The major theory behind this is that a room or grow will produce more over the course of a year than it normally would. I'm not sure about that, but it would definately increase the workload due to resetting lights.
I did it out of necessity and wasn't happy to do it. You save flowering time but it costs you yield, proportionately. I believe that it is only worth doing in certain situations, but i've only done it once, i hope i won't have to do it again, but i probably will
I'm not sure using this to find a mother will work too well, unless you plan on using this method constantly. maybe a some clones might handle stress better than others but dont perform optimaly when in a proper photoperiod....maybe not, i don't know.
some had a link to a grow done like this...keep in mind his first attempt had a proper 12/12 for the first 2 weeks, while his 2nd was a straight 6/12 throughout. I believe this is a key factor in his final product, considering a plant stretches most in these first few weeks of flip.
i've read of jorge stating that some people use a 12/6 method, however i find it hard to believe a plant would flower with such little darkness. If anyone has ANY info on this please post.
Once again i don't recommend doing this, or using any photoperiod other than the standard mother nature given 12/12
tdk
The major theory behind this is that a room or grow will produce more over the course of a year than it normally would. I'm not sure about that, but it would definately increase the workload due to resetting lights.I did it out of necessity and wasn't happy to do it. You save flowering time but it costs you yield, proportionately. I believe that it is only worth doing in certain situations, but i've only done it once, i hope i won't have to do it again, but i probably will
I'm not sure using this to find a mother will work too well, unless you plan on using this method constantly. maybe a some clones might handle stress better than others but dont perform optimaly when in a proper photoperiod....maybe not, i don't know.
some had a link to a grow done like this...keep in mind his first attempt had a proper 12/12 for the first 2 weeks, while his 2nd was a straight 6/12 throughout. I believe this is a key factor in his final product, considering a plant stretches most in these first few weeks of flip.
i've read of jorge stating that some people use a 12/6 method, however i find it hard to believe a plant would flower with such little darkness. If anyone has ANY info on this please post.
Once again i don't recommend doing this, or using any photoperiod other than the standard mother nature given 12/12
tdk
thedarkknight, so just to get this right ... the plant DOES finish maturing say ~25% faster??
thedarkknight
Member
it does. it like the fall season (sept, oct, nov) to the plant. The plant speeds up it metabolism and such in order for it to finish sooner because it senses the need to since the winter season is coming (dec, jan, etc). Except in this case it doesn't have the same amount of light, which is where it saves the time. The theory is that a plant will still yield a good amount while saving time leading to increased overall yield during a year.
It makes me wonder what the minimum light amount would be for a finished crop, how long it would take, and what the final product would be like. I'm guess 3-5 hours would finish some strain in a fews week producing pure fluff and popcorn......maybe the leaves would be frosty enough for some good hash though?
I FINISHES quicker. The quality in the final product is the same. In fact, the crop i did after that one was slightly worse in quality while being under a regular photoperiod.......i'm sure it was due to controllable problems that i messed up on though. And that 12/12 grow was a using a commercial strain that was finished so nice that people thought it was completely different than the typical stuff that the strain produces. However I wouldn't recommend this to anyone. IMHO it is not natural and there is virtually no research/info to support this theory. And after you factor in the hassle of resetting a grow, it is not worth it. I've only done it 1 time, so i'm no expert at this .....and i hope i never will be
It makes me wonder what the minimum light amount would be for a finished crop, how long it would take, and what the final product would be like. I'm guess 3-5 hours would finish some strain in a fews week producing pure fluff and popcorn......maybe the leaves would be frosty enough for some good hash though?
I FINISHES quicker. The quality in the final product is the same. In fact, the crop i did after that one was slightly worse in quality while being under a regular photoperiod.......i'm sure it was due to controllable problems that i messed up on though. And that 12/12 grow was a using a commercial strain that was finished so nice that people thought it was completely different than the typical stuff that the strain produces. However I wouldn't recommend this to anyone. IMHO it is not natural and there is virtually no research/info to support this theory. And after you factor in the hassle of resetting a grow, it is not worth it. I've only done it 1 time, so i'm no expert at this .....and i hope i never will be
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hmm very interesting. It makes sense though I guess! In some ways anyway lol
Itd be interesting to do a test run using clones. It might also be a useful way to bring down the flowering time of those slow maturing sativas, as well as a way for growers to try a wider variety of strains in a shorter timespan
Itd be interesting to do a test run using clones. It might also be a useful way to bring down the flowering time of those slow maturing sativas, as well as a way for growers to try a wider variety of strains in a shorter timespan
thedarkknight
Member
IMO the photoperiod seems to be the final frontier in growing because it really has too much science involved for the regular joe, myself included. I'm sure some guys are working on this photoperiod stuff, so i'd love to hear ANYTHING that has been done on this.........in english though not scientists with charts, I'm no scholar just a guy with some dirt and bulbs.
