lights

bloatedcraig

Well-Known Member
i am sure i read it somewhere that you can reduce the time of light in flowering (6 on 18 off) and the buds ripen quicker, been looking on google and cant find it.

Anyone shed any light on this situation.
 

bloatedcraig

Well-Known Member
cheers, they are in the last week or two and are getting flushed but are couple of the bigger bud dont seem to want to turn. They have had the big bulk up week and i dont think that i will gain anything for letting them go any longer. You know what it's like just can'y wait to get on to the next one. +rep
 

mismos00

Well-Known Member
From what I've read, reducing the lights 'on' time any less than 12 hours will reduce yield and increase flowering time.

I've heard of people going 12/6 (6 hours of dark instead of 12) which is supposed to cut the flowering time by 1/4.
 

bloatedcraig

Well-Known Member
From what I've read, reducing the lights 'on' time any less than 12 hours will reduce yield and increase flowering time.

I've heard of people going 12/6 (6 hours of dark instead of 12) which is supposed to cut the flowering time by 1/4.
I thought it was the reverse of that, i thought the long the dark period the faster the plant mature's and that is why your yield is reduced.

What your saying is what my veg time is 6 off. If i did what your saying the plant would revert back to vegging.
 

GoldenGanja13

Well-Known Member
(in avater/signature) After the flush I gave them 15 mins less light then 3 days later another 15 min less light, then again after 3 days 15 mins less light. Thats as far as I want to push them.
I did read in some seedbank that they said to cut the lights back to 8 hrs on after 5 weeks in. I do not remember what strain it was?
 

SatansGift

Active Member
I experimented with light schedule on my last grow with Apollo 13bx. I ran the light 11/13 and the bud was fully ripened in 46 days and it didn't effect yield at all. I pulled 1/2 oz off of her, she was only 18 inches tall, 2 main colas, and flowered under 3 cfl's.
 

mismos00

Well-Known Member
I thought it was the reverse of that, i thought the long the dark period the faster the plant mature's and that is why your yield is reduced.

What your saying is what my veg time is 6 off. If i did what your saying the plant would revert back to vegging.
No... how is a plant going to mature quicker with less light? You can't give a living thing less of what it needs to grow and expect it to grow quicker!!! (I've read of people doing the opposite, increasing the amount of light on time to increase yield towards the end of flowering)

The plant will not revert back to vegging if the light period stays at 12 hours... I'm talking about cutting the dark period.

It's not something I have personnel experience doing, but a friend with more experience than I had mentioned it once... plus it is in Jorge Cervantes Medical Marijuana Bible (both the part about 12/6 and the part about reducing the light period less than 12 hours being unproductive).
 

bloatedcraig

Well-Known Member
No... how is a plant going to mature quicker with less light? You can't give a living thing less of what it needs to grow and expect it to grow quicker!!! (I've read of people doing the opposite, increasing the amount of light on time to increase yield towards the end of flowering)

The plant will not revert back to vegging if the light period stays at 12 hours... I'm talking about cutting the dark period.

It's not something I have personnel experience doing, but a friend with more experience than I had mentioned it once... plus it is in Jorge Cervantes Medical Marijuana Bible (both the part about 12/6 and the part about reducing the light period less than 12 hours being unproductive).
What you r saying is going over the top of my head, if you say that cutting back the dark period to 6 hours instead of 12 then the light is going to be on 18 hours, and this will revert the plant back to veg.

The idea about the light's been off longer and the bud's matureing faster but smaller is that the plant thinks it is coming closer to winter and time to die off.

Must be me thats not understanding what you are saying.
 

mismos00

Well-Known Member
What you r saying is going over the top of my head, if you say that cutting back the dark period to 6 hours instead of 12 then the light is going to be on 18 hours, and this will revert the plant back to veg.

The idea about the light's been off longer and the bud's matureing faster but smaller is that the plant thinks it is coming closer to winter and time to die off.

Must be me thats not understanding what you are saying.
I see where the misunderstanding is...

12/6 means an 18 hour day... on for 12 off for 6, on for 12 off for 6, 12, 6, 12, 6...

It basically shortens the length of a day for the plant to an 18 hour day. Like I said, I've never tried it and I think it would be a pain in the ass because the lights would come on at a different time each day... I don't even know if you could get a timer to do this... but I've read that it works so I just put it out there (and I also read that shorting the daytime under 12 hours doesn't work - but I don't have any experience with this either).
 

mismos00

Well-Known Member
What you r saying is going over the top of my head, if you say that cutting back the dark period to 6 hours instead of 12 then the light is going to be on 18 hours, and this will revert the plant back to veg.

The idea about the light's been off longer and the bud's matureing faster but smaller is that the plant thinks it is coming closer to winter and time to die off.

Must be me thats not understanding what you are saying.
Also, I understand what you are saying (about leaving the lights on for less time, making the plant feel the onset of winter), but that is what 12/12 does already. And I don't think that it is necessarily the longer dark period that induces flowering, but the shorter light period.

At the end of my plants life I put it in the full dark for the last 3-5 days of its life and give it cold water (at tip I picked up in Weed World Magazine) and this makes it think it's dying, which is supposed to increase resin production and weight.
 

jeebuscheebus

Active Member
12 hours of dark is needed to maintain flowering. The hormone that causes flowering is built in dark and to get to suficient levels, it NEEDS 12 hours of dark.

Anyone telling you their friend did a different light cycle should be ignored!

I'm not saying 12/12 is the gospel, but until I can get some good proof to use another photoperiod, I'll stick with the tried and true ways.
 

mismos00

Well-Known Member
12 hours of dark is needed to maintain flowering. The hormone that causes flowering is built in dark and to get to suficient levels, it NEEDS 12 hours of dark.

Anyone telling you their friend did a different light cycle should be ignored!

I'm not saying 12/12 is the gospel, but until I can get some good proof to use another photoperiod, I'll stick with the tried and true ways.
I'm inclined to believe you if there weren't people who said they did it.

" The hormone that causes flowering is built in dark and to get to suficient levels, it NEEDS 12 hours of dark."

... I found this interesting... never heard that before... where did YOU hear this?
Have you heard of autoflowering plants?
Kind of blows your theory out of the water as this plant can flower with zero dark.
 

bloatedcraig

Well-Known Member
I see where the misunderstanding is...

12/6 means an 18 hour day... on for 12 off for 6, on for 12 off for 6, 12, 6, 12, 6...

It basically shortens the length of a day for the plant to an 18 hour day. Like I said, I've never tried it and I think it would be a pain in the ass because the lights would come on at a different time each day... I don't even know if you could get a timer to do this... but I've read that it works so I just put it out there (and I also read that shorting the daytime under 12 hours doesn't work - but I don't have any experience with this either).
Got you, the penny has dropped. Am sure thatin my growing career that there will be a time to test different lighting scheduals, cheers.
 

GoldenGanja13

Well-Known Member
Snap. Forgot about auto's, but wait, auto's are a Runderalis. Myself I stick with Cervantes and true methods, not Talk.
 

mismos00

Well-Known Member
Snap. Forgot about auto's, but wait, auto's are a Runderalis. Myself I stick with Cervantes and true methods, not Talk.
Yes, Auto's are half Runderalis...

I'm the same way, keep it simple stupid... but we're just shooting the shit, talking theory.
 

GoldenGanja13

Well-Known Member
Yeah I like to be able to talk in theory with out being shunned for thinking outside the box.
A great site for that is my-grow.com
 

mismos00

Well-Known Member
The discussion is on photo-sensitive cannabis flowering. Auto flowers do nothing to my statements.

But it is "photo-sensitive" right? not "dark-sensitive"?

:)

seriously though... where the hell did you hear this about plants creating hormones in the dark?
 
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