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UVB Light Supplementation 280-310nm

Organic_G
Organic_Gstarted grow question 2d ago
Habt ihr Erfahrung mit UVB Supplementierung gemacht ? 280-310nm Studien widerlegen Cannabinoid Erhöhung aber dafür andere deuten auf Terpenerhöhung/Verändung hin
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00110001001001111O
00110001001001111Oanswered grow question 2d ago
"Field" studies show it has no effect. Some newer studies show it is inconclusive, so maybe... not sure if there is any newer research in last couple years or not, but that's just a good google search to learn. Field studies showed no relationship possibly because plants outside develop resistance to UV. Indoor plants may be different, so it's reasonable to keep testing this hypothesis. So, don't use it in vegetative phase when few trichomes are being produced. You wouldn't want the plant to build up a resistance to it before it is potentially more helpful -- again, if it is helpful.. still a maybe. if it does help, you only want to apply it in flower... possibly just before the buds form? maybe, when trichome production is maxed out? these are the things peopel can pretend to be confident about, but without good empirical research, it's just a good guegss. The human eye cannot accurately compare aerial density of trichomes, lol, yet some believe they can. Probably a heavy overlap with folks that think vitamin a is a valid treatment for measles. more power to you for having fun, but this is almost certainly not worth the ROI. There are other motivations that might be personal, but as far as the actual effect, it is probably tiny even if it is discernable beyond normal volatility. "ePAR" is something to add to any google searches. Info related to that expanded wavelength range will be good to read too. hate to contradict but this is 99.999% unlikely - I would not use this in a drying room. Something that is dead does not build new molecules like thca, terps, or cell reproduction. The only way it is beneficial is thehope that the reaction from the plant outweights the damage the UV does, and it definitely causes damage. It may or may not result in an increased rate of thca/terp production to overcome that damage. Dead things don't grow or build anything.. they are dead, but UV can still damge/break things down due to exposure. The other reason i wouldn't bother -- UV is fucking dangerous, lol. If you do use it, make sure that shit is off when you enter the tent. Certainly don't make direct eye contact, lol. you don't want your skin exposed to it either. This isn't a 1-off context, because you will enter that tent often and grow more than 1 cycle over time.. so it'll be a lot of exposure over time. Make sure you can switch it off before you enter the tent. don't use those window flaps, either, bwahah... that plastic won't shield you.
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ATLien415
ATLien415answered grow question 2d ago
I have UV-A supplemented grows on my page, really not much of a difference with UV-B on the plant side but there is some nuance. It is a stressor at the end of the day. It can change the bud structure and where/when trichomes are deposited. In the big picture it is just another source of photons in your grow. UV photons don't travel far, so keep that in mind. My personal opinion is that the UV is more at home in a drying room. I do seem to notice more of an 'outdoor' vibe to the buds.
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