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Darkness Before Harvest?

Discussion in 'Advanced Techniques' started by killerweed420, Aug 19, 2008.

  1. killerweed420

    killerweed420 Registered+

    Anybody used 2 or 3 days of darkness before harvest? Does it increase resin production?
  2. porch24

    porch24 Registered

    Heard it has but I don't know for sure, plan on doing it to my plants though just to see.
  3. killerweed420

    killerweed420 Registered+

    Yeah but without a GC/MS machine how would you know?
  4. anbesol

    anbesol Registered+

    I dont know fully but Jerry Garcia 2007 swears upon 3 days. I do 2 days, and i do notice more resin glands. But i dont have a scale to tell.
  5. the image reaper

    the image reaper Registered+

    I tried the 'total darkness the last 3 days' my last 3 grows ... I noticed zero difference, but give it a shot, costs nuthin' to try ... be sure to keep your fans going though, ya don't want high humidity/mold problems ... :jointsmile:
  6. killerweed420

    killerweed420 Registered+

    It would be very hard to tell if there is any real difference. I might try it with a couple plants.
  7. allrollsin21

    allrollsin21 Registered+

    It may not cost anything to try, but it will actually safe some money as the lights get to remain OFF. That is always a nice feeling after having them humming for so long.
    If it causes no harm, then it sounds like a benefit. Of course this is a way to advanced method for me:thumbsup:
  8. trancefusion5

    trancefusion5 Registered+

    Ive always thought about just turning the light on for shorter times the last three days. Like maybe put it on 8/16 so you could at least have a little light to cut back on possible mold and keep the humidity down a little. Think this would help or work?
  9. SnSstealth

    SnSstealth Registered+

    In no way am I suggesting you experiment and try this, but I have ALWAYS done the 3 days darkness, and shove a nail through the stalks. Old wives tale that it forces the plants to push out more resin. I have never NOT done this, so I couldn't tell ya if it works or not. Seemed logical to me....but again, just my :twocents:
  10. stinkyattic

    stinkyattic CultiModerVatorAtor

    A stake through the heart is for killing vampires!
    The lights-off thing... There's no reason NOT to, and if you run a perpetual grow and need the space for incoming plants, that's a good reason TO!
    As for forcing the plant to push out more resin.. Wives tale. But a harmless one.
  11. SnSstealth

    SnSstealth Registered+

    call me Van Helsing:thumbsup:
  12. killerweed420

    killerweed420 Registered+

    Thanks everybody for posting. I have a perpetual grow so I can't turn the lights off, I'd just stuff them in a closet for a couple days. I guess I could always spray a little honey oil on them and make them more potent.:jointsmile:
  13. GreenDestiny

    GreenDestiny Registered+

    Try hitting them with a little extra UV light towards the end... just for the plants that are finishing up. That's the only proven method for increasing resin I know of.

    It got me to thinking... during the last 3 days of darkness, cut on the UV lights only, for a couple hours per day or however long they're normally used for during a light cycle. Dunno if that would do anything more or not than just pure darkness.

    If that don't work, cast a magic missile at the darkness and have a mountain dew.
  14. Rusty Trichome

    Rusty Trichome Registered+

    Caution...using UV light is hazardous to your health. To mention the technique without also warning others of possible eye damage, skin damage, risks in general...seems a tad irresponsible.

    Last I heard, it wasn't proven that the UV bumps the concentration of psychoactives in the trichomes, but would love an up-to-date link proving me wrong...

    Stinky: Was just thinking...(rut-ro)...
    Decades ago, (about thirty years ago) when I first started with my attempts to grow, an old friend used to scar the base of his plant, and a few of the side branches. Every day or two in flower, he'd scratch into the 'bark' of the cannabis plant. Not much, just a scratch, thru to the cambrium layer. He said it was to trick the plant into thinking it was under attack by insects, and in response, she increases potency.

    Never really thought about it till now, as he was a lot like that guy, Jim...on the sit-com Taxi.
    Have you ever heard of this technique? Would love to have another myth dispelled, but as trichomes are used for self defense from bugs and such, it does seem feasible/possible. Instead of it increasing potency tho, could it have actually increased trichome production...? cannabis bugs to aid in trichome productioin...
    Bugs, for
    ...Rusty's ROBOTs...has a nice ring to it. :jointsmile:
    Last edited: Aug 21, 2008
  15. stinkyattic

    stinkyattic CultiModerVatorAtor

    While you might increase resin production- MIGHT- you are also quite likely going to stress the plant into producing.... wait for it...wait for it... NANNERS! eww.
    Classic pot plant response to stress.

    You want more oomph, use a carbohydrate supplement.
    You want more sparkly, run SnowStorm.
    Heck, run both! :D

    Both cheap and effective!!!
  16. Rusty Trichome

    Rusty Trichome Registered+

    Actually, I've got some Carbo Load on the way, but have used molasses for quite a while. Was just something I remembered from a while back. I would get some Penetrator and Liquid Light, but for those's almost cheaper to purchase buds on the street. :thumbsup:

    I watched him do it often. Wasn't a butchery...just a 'nick' or two, and on different branches, and different spots near the base. No ill affects noticed at the time, but I was a true newbie that (until meeting this guy) thought a male plant could turn a female into males. Biology wasn't my strongest suit, lol.
    Don't get me wrong folks, I'm not advocating anyone do this, as it was likely akin to knocking on wood. (superstition) Back then, wives tales were the rule of green-thumb.

    It's not something I've ever tried on my own plants, and is nothing I've heard repeated here, but thought I'd ask the pro's. :jointsmile:
  17. stinkyattic

    stinkyattic CultiModerVatorAtor

    Penetrator is basically a fancy surfactant from what I understand. The low budget way to mimic its action is adding a drop of dish soap to your foliar sprays.
  18. GreenDestiny

    GreenDestiny Registered+

    oh yeah duh (hits head) I forgot about extra carbs and nutrient stuff! Another thing I remember is cooler temps make the plant produce more resin to protect from the cold. Also hotter temps to keep from losing too much moisture. Dang, it seems like a lot of things could possibly affect it now that I think about it.

    Ok, so I "forgot" to mention something about the UV.... no big deal, no reason to be so smug about it. Is there a special list of things which requires us to attach a friendly warning about possible dangers? I always just assumed it's common knowledge that UV rays are harmful. Like that big bright thing in the sky we have to deal with every day...

    If I were to mention the technique of growing outdoors would I have to warn against the Sun's harmful UV rays and tell them to wear sunscreen, a hat, long sleeves, and pants just so someone won't try to make me look "irresponsible" for failing to volunteer the extra info?

    Here, as a friendly reminder to people that are unaware of a UV bulb's dangers: It is YOUR responsibility to read the warning labels on the package. Don't solely depend on info that you get from anonymous people. Consult a licensed professional or verifiable official documentation. Pray for extra protection. By the way, do not try to swallow the bulb.

    Anyways I haven't read anything to discount that the UV light is another factor for causing more resin production... to absorb the UV rays from letting it damage the buds. As for actual cannbinoid production there's not enough solid info... Like an old study from 1983 that found more THC is produced. And some stuff saying which wavelengths THC, CBD and CBN absorb the most. Someone needs to study that stuff more to see if they can replicate the same findings.
  19. Rusty Trichome

    Rusty Trichome Registered+

    No big deal...but I do feel the responsibility of warning folks of the dangers, trumps your forgetfulness and your 'safety-last' approach. After all..YOU are the one that brought up the UV light, not me. Also, you didn't mention any technique to limit exposure to the light. (a switch that cut's-off the light when you open the door, for instance) assume...
    I would assume that all drivers know that McDonalds coffee is hot...but each cup warns of us the fact. I would think that smoking is widely known to be a carcinogen, but each pack warns of the dangers. Do you really forget that objects in the mirror may appear smaller? The warnings are there for a reason. And yes...some people are morons that need it spelled-out, over and over and over again..

    Not likely, as the sun's rays are intense enough to make you realize fairly quickly, that your skin is being cooked. UV lamps offer no real physical warnings. They slowly cook your skin and eyes, un-noticed.

    Not all members are as intelligent as you. That's the point. We are not a single-minded group, with the same education level, and not likely all of 'em immediatelly associate the sun's harmful rays with this bulb.
    Somewhat more likely, they associate the thing with an expensive light bulb they heard may increase trichome production.
    I forget... Which UV rays are harmful...UVA or UVB?

    If you are going to tell a story, likely best (for those that you are offering your opinion to) to tell the whole story.
    Last edited: Aug 22, 2008
  20. stinkyattic

    stinkyattic CultiModerVatorAtor

    Hahahaha!!! I lol'd! Twice!

    Wait, make that three times. AWESOME.

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