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UV LED slowing down growth? Sorry previous question without the question!

hinterhofgrower
hinterhofgrowerstarted grow question 6 days ago
The plant has a rectangular area in the middle where it is not growing as quickly. The difference is almost 10cm. I suspect the lamp. Could it be that the centrally installed UV LEDs are causing this? They should grow more inside because of more light.
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Week 7
Setup. Lighting
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Ninjabuds
Ninjabudsanswered grow question 6 days ago
Yeah most likely you are correct. Now that I see there is a square area not growing as much with the other parts doing OK. It probably is the spectrum of light and most likely the uv or ir diodes must be in the center. I know my 100w spider farmer light with extra uv diodes. When I compare it to the other light I have if similar strength the spider farmer i always have to give the plants a smaller amount of umols. I was watching a video yesterday that said uv light you should only give you lr plants durrring flower and only for a few hrs a day. I suggest upgrading the light. I know mars hydro has a 150w light with bars it's on sale for less than 1oo I'm sure u ckd grow 2x2 pretty decent with that light
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BerrySweetHigh
BerrySweetHighanswered grow question 6 days ago
High hinterhofgrower, No when I look at your training you can see that those leaves in the middle are from the branches that grow the lowest on the thrunk. My first guess is that this is the reason for smaller growth. But it can not be the light or the uv light. Anyways, plant is looking great buddy! Happy Growing! 💚
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Ultraviolet
Ultravioletanswered grow question 6 days ago
No, that's not possible without clear and visible signs of damage.
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Organoman
Organomananswered grow question 6 days ago
No, nothing to do with UV, the outside branches are taller and more stretched and therefore longer, due to lower light intensity at the edges. The middle section gets the most intense light which means it is the least stretched area for growth with shorter branches/internodes.
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Ninjabuds
Ninjabudsanswered grow question 6 days ago
Also I read that uv light triggers a plants stress response. When given in small amounts periodic can cause plant to get stronger from stress but if to much uv is given constant then the plant has no time to recover and is being told to constantly be in stress
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