Updated Pics! three days into veg 18/6 cfl

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WeedHead13

Active Member
mowogrow said:
okay so a new update already lol i just checked em and it looks like at the bottom of the stems it looks like little bumps but not noticable unless you look REAL close they appear to do kinda white....thoughts?
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Um do they look like just bumps or small-forming pollen sacks? you said they were just seeds u planted right?
 
socom3riot

socom3riot

Well-Known Member
mowogrow said:
its not pollen sacs at all it just looks like the stem has little rigid bumps
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cancer..

jk , if its not at the the split from the stem to a branch , i wouldnt worry too much. if its bumps on the stem , i dunno dude.. but that wouldnt be a spot where sex is shown.
 
M

mowogrow

Active Member
lol so im baked and when i saw cancer i flipped shit bro! then i realized there was more! lol i figured it was nothing big but once again im not expirenced so usually someone has the answer
 
Mr. Pacific

Mr. Pacific

Well-Known Member
They are only between 1-7 days since sprouting. I'm also using a strange light combo, but once they are worthy of pics I'll post some.

Are you using 100w equivalent CFLs (26 watts) or actual 100w CFLs? If 100w, how hot do those things get?
 
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heavymetal200x

Active Member
So from what I read here, 18/6 will cause 30 percent less growth in veg stage. Isn't that because it approx 30 percent (well 25 to be exact) less time that a light is on it then? I'd like to see something, like an article to read, that backs up the theory of how much the 18/6 is less effective...

I'm guessing a 24/0 schedule would be best because its quicker but in terms of electric bills it would pretty much be a wash.
 
rolla8

rolla8

Well-Known Member
heavymetal200x said:
So from what I read here, 18/6 will cause 30 percent less growth in veg stage. Isn't that because it approx 30 percent (well 25 to be exact) less time that a light is on it then? I'd like to see something, like an article to read, that backs up the theory of how much the 18/6 is less effective...

I'm guessing a 24/0 schedule would be best because its quicker but in terms of electric bills it would pretty much be a wash.
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Hehe, it's not a "theory", it's a fact. Photosynthesis, which is the basis for growth, will continue for as long as the light is on. If you run the lights for 18 hours per day instead of 24 hours per day, then each day photosynthesis is occurring at a 25% reduced rate (not 30% as I said before) As far as it being a wash with regards to the electric bill, that is accurate. Regardless of which light cycle you decide to use, an equal amount of kilowatt-hours is required to achieve equal growth. Basically, it's identical kilowatt-hours, but using the 24/0 schedule you pack it all into 30 days as opposed to spreading it out over 40 days.

Here's a quote from Ed Rosenthal explaining the same thing:
Marijuana plants photosynthesize as long as they receive light as well as water, air, nutrients and suitable temperature. Photosynthesis is the process in which plants use the energy from light (primarily in the blue and red spectrum) to combine carbon dioxide (CO2) from the air and water (H2O) to make sugar while releasing oxygen to the air.

Plants use sugars continuously to fuel metabolic processes (living) as well as for tissue building. The plant combines nitrogen (N) with the sugar to make amino acids, the building blocks of proteins. They are the substance of plant tissue. When the light is off, the plant's metabolic processes, respiration and growth, continue.

The plant can photosynthesize continuously so it produces the most energy and growth when the light is on, continuously. Continuous light does not stress the plant, which reacts somewhat mechanistically to it.

Plants under an 18-6 light-dark regimen are producing sugar only three quarters of the time. They are thus growing at only 75% of their potential. Leaving the light on continuously will result in bigger plants, faster, which leads to higher yields.
​
I hope this puts to rest the debate over which light cycle is better, but even in the face of science there are those who will stubbornly refuse to accept the truth. Yes I am sure of it... the debate will rage on.
 
Mr. Pacific

Mr. Pacific

Well-Known Member
I don't remember where I read it, but someone did testing with 12/12 16/8 20/4 and 24/0 hours light cycles and the 20/4 produced the longest(by far) roots.

I don't know how controlled the experiment was, but that's some food for thought.
 
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Treenomics

Active Member
the leaf pattern on some of my sprouted seeds is the one then three then five then looks to be a five leaf again. what all should i know about this
thanks
 
rolla8

rolla8

Well-Known Member
Treenomics said:
the leaf pattern on some of my sprouted seeds is the one then three then five then looks to be a five leaf again. what all should i know about this
thanks
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What do you mean by this? Are you talking about how many blades your leaves have?
 
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mowogrow

Active Member
pics will come later but on my plant with the twisted leaves they are turning dark green like the darkest dark green before almost black but they dont look dead?
 
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