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05-22-2005, 02:35 PM #1OPSenior Member
Interesting advice from DJ Short,on photoperiods..
Howdy Y'all,
I just came across this interesting little tidbit from DJ:
dj short says (about lighting )
" After many years of first-hand experience breeding herb indoors as well as outdoors, I am of the opinion that the two most influential factors involving phenotypic variation and expression among current indoor herb breeding projects are the photoperiod (hours of light per day) and the angle of light in relationship to the growing plant.
Specifically, I find the single most powerful influence to the Indica dominant phenotype is the traditional 18/6 veggie cycle and 12/12 flowering cycle. The 18/6 veggie and 12/12 flower cycle is an attempt, however poor, to mimic the Indica-producing photoperiod. It is my belief that this light cycle strongly influences for Indica phenotypic expression.
Sativa phenotype characteristics will manifest under a more equatorial photoperiod, closer to a 13/11 veggie cycle and an 11/13 flower cycle. This is the light timing range to use to elicit more Sativa dominant expression from your plants.
As for the exact photoperiod formula that I incorporate into my growing/breeding regime, this will presently remain a trade secret. My advice is to experiment with different photoperiods, keep good notes and pay attention. Avoid the 18/6 and 12/12 photoperiods, while tweaking the times a bit differently with each breeding cycle until more desirable results in the finished product and their offspring are noted. Heres a hint: work in half-hour increments or a little less, and good luck! "
I hope this gives y'all advanced growers,something to think about..I'm going to try DJ's idea out..cuz if he don't know what he's doing..nobody does !
Have a good one !Torog Reviewed by Torog on . Interesting advice from DJ Short,on photoperiods.. Howdy Y'all, I just came across this interesting little tidbit from DJ: dj short says (about lighting ) " After many years of first-hand experience breeding herb indoors as well as outdoors, I am of the opinion that the two most influential factors involving phenotypic variation and expression among current indoor herb breeding projects are the photoperiod (hours of light per day) and the angle of light in relationship to the growing plant. Specifically, I find the Rating: 5
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08-16-2005, 01:33 PM #2Senior Member
Interesting advice from DJ Short,on photoperiods..
awesome info was that taken from how to grow exceptional cannabis by dj short
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08-16-2005, 08:05 PM #3Senior Member
Interesting advice from DJ Short,on photoperiods..
hello torog mate,
great info mate, i think i read it somewhere myself, i think if if you have the time decreasing the hours of light you give it before indusing flowering by half hour at a time will be far more natrual for the plant, and much less of a shock, it can only be better, i think its allways best to keep things as close to natrual as possible., take care mate and be luckey
........... peace happy ...........
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08-16-2005, 11:32 PM #4Senior Member
Interesting advice from DJ Short,on photoperiods..
I note how he never mentions 24/0 vegg.....
Good advice indeed.
I also note he says the "angle of the light."
THis can be translated I believe into the type of bulb....ie; HPS simulates sunlight in the late summer and fall, hence the angle and kelvin variations.
Great info...thanks TORAG.
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08-17-2005, 02:08 AM #5Senior Member
Interesting advice from DJ Short,on photoperiods..
just when i swithched the lights on 18/6....hello again guys....hey torog this is very useful info, really invaluable for this and for every grow......hardon i see your point....hello chappie....i wonder has anyone really tried what DJ shorty suggest about the veg stage for sativas? i am going to be growing them for my next grow
NGOS
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08-17-2005, 01:08 PM #6Senior Member
Interesting advice from DJ Short,on photoperiods..
no mean to barge in like an idiot as usual... but after reading this, am I to understand that I can determine the type of plant (sat/ind) i get by adjusting the lighting? I read somewhere that the lighting would help determine the sex of the plant..
Any posts made by me are purely fictional in nature and by no means is anything I say to be taken seriously. I do not grow or condone the growing of anything not legal. Any and all pictures I post are pictures widley available on the internet and any discussions I am involved in are purely hypothetical or are commentary in nature and should not constitute advice or be considered advice to assist in activities that are deemed illegal.
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08-17-2005, 01:32 PM #7OPSenior Member
Interesting advice from DJ Short,on photoperiods..
Originally Posted by the happy chappie
I agree,keeping enviromental conditions as close to natural,is a good thing..especially if it results in a higher brix factor.
I hope and pray,that you and your's,are wellI've been wanting to warn you about my 'friend's' recent experience..seems the postal dudes paid him a visit and saw some beans that he had recieved from a foreign country,they opened the packs..but didn't take the beans..how weird is that ? Be careful....
Have a good one ....
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08-17-2005, 01:34 PM #8OPSenior Member
Interesting advice from DJ Short,on photoperiods..
Originally Posted by HARDDON
Yup...I think that yer take is right..and yer welcome for the info..
Have a good one !
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08-17-2005, 01:37 PM #9OPSenior Member
Interesting advice from DJ Short,on photoperiods..
Originally Posted by sheist
Yer welcome to jump in at any time-and you are not an idiot,either..you ask an intelligent question..just wish that I could answer it for ya.
Have a good one !
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08-17-2005, 07:11 PM #10Senior Member
Interesting advice from DJ Short,on photoperiods..
hello again torog mate,
thanks for the advise mate , its very much appriciated, its possible here in the uk to legally walk into a head shop and purchase any type of beans mate with no probs. where just a little expensive here thats all, i was thinking of trying to get a licence myself mate but i aint sure of the possible concequences, maybe i should move to amsterdam and live freely as long as there is somewhere for me to charge my wheelchair up i will be happy lol hahahaha, thanks for your kind words mate, i am mending a little now and getting about in my garden well, i still cant get upstairs yet so them new seeds are gonna have to wait, but hey, my babys aint babys anymore, this sun has brought them on wonderfully, i will post some more pics in my thread in a little while to show you all, they look the best i have ever done, dont ask me how, they looked like they were on deaths door a short while ago, lol, take care mate and be luckey ............. peace ............ happy ...................
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