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10-02-2009, 01:14 PM
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 If plants need 100% darkness during flowering, how do they do it outside?
...withoutbecoming hermies? The stars and the moon are usually bright enoughto where u can see, but when I tell someone how there is a dim crack of light getting into my flowering room during darkness, im not I have no chance and will get hermies. This makes no F^#^*(# sense to me....will someone be kind enough to explain this?
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Deb-HAS-grn (10-02-2009) | ||
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10-02-2009, 02:29 PM
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You know just last night I was sitting out under the stars and bright moon wondering the same thing,, I also have a few plants that are probably getting a small bit of light from the front porch, It will be interesting seeing what someone has to say....
__________________ You can't always get what you want, But if you try sometime you just might find, YOU GET WHAT YOU NEED   |
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10-02-2009, 02:47 PM
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My pretty lady has been in my back yard all summer, and is due for harvest any day now! I've been wondering the same darn thing, because I see all these posts about "be careful, light will turn you hermy!" but I haven't had any trouble with mine, I'm planning on going indoors for the winter, and I'm wondering if it will be a bigger problem inside than out ? |
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Deb-HAS-grn (10-02-2009) | ||
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10-02-2009, 03:39 PM
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It depends on the frequency of the light. According to this article 662 nm frequency (good growing frequency) is particularly effective at interupting the light cycle: Photoperiodism Conversely 730 nm light (appears at sunrise/sunset) decreases the time the plant needs to produce flowering hormone. I was under the impression that there is a light available that you can use during dark period, kind of like a photography dark room light. |
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CAMSTER626 (10-02-2009), Deb-HAS-grn (10-02-2009) | ||
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10-02-2009, 05:31 PM
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you can use a green light at night. I think the main problem is the sudden interruption of darkness. the stars are always out and the moon is sometimes bright but its still night time out and dark. may not be complete pitch black but as long as the moon isn't flashing on and off it should be fine. it could possibly stunt it or affect it somehow but I don't think it would be a major problem.
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Deb-HAS-grn (10-02-2009) | ||
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10-02-2009, 05:40 PM
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Thanks everyone - my problem is not from me briefly turning lights on or anything, its from the morning light getting into my window via the A/C vents in my A/C window unit. Its not completely bright - I have my window covered w/ B&W Poly, but it was enough light for me to be able to see around. Any come comments or suggestions regarding this would be great, thanks everyone  |
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10-02-2009, 06:27 PM
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Good question! I have been battling with this too lately with my new cab. So far, not much experience here YET, The only hermie Iv'e had from light was when I woke up to find it KISSING the bulb! Eeeek! They grow sooo fast!! I have also heard that light CANNOT bend. Which is why laser pointers work so well. But, there is still light around but not DIRECTLY hitting my plants. So far so good here but I am still scared of hermies! So I will be watching this thread too as I'm sure someone here will be able to explain this to us all here soon lol Ya, this total darkness thing is a real PITA!!!
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10-02-2009, 07:01 PM
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I do know of one grower that always has a light leak, but this is constant. It is the intermitent light leaks. Star light and moon light are not strong enough to cause a plant to hermie. These are natural plants that have grown for eons with stars and moonshine. They are used to it. the type of light that interupts the photo period is red spectrum or blue spectrum light. If you need a light on in the dark period, yes, use a green light bulb. It works. Peace
__________________ Life, j-angel aka GP purrie kittie attack cat!  My Little Grow LST'ing w/Hardware My Outdoor Odyssey 2008 BONSAI MUMS My Little Grow Indoor To Outdoor 2009  |
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10-03-2009, 08:31 AM
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If the suns REFLECTED light of the moon were intermittent, it would affect cannabis. However, the gradual lengthening and shortening of the moons light won't cause hermies. My flowering room has 2 doorways. Both stay open 24/7 so that the temperature remains somewhat constant. The flowering and veg lights come on at 6 am. The flowering lights go off at 6 pm, while the veg lights remain on until midnight. There is enough light in the flowering room to see what I'm doing, but, apparently, not enough to bother the girls. At first, I was worried, but, it has been about a year doing cuttings with no problems. So, IMHO, it seems to be a matter of consistency. Much like raising children.
__________________ Charlie All I Really Need To Know, I Learned In Kindergarten |
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I8ntLucky_UR (10-04-2009), jangel (10-03-2009), pine boy (10-03-2009), sabasi (10-03-2009), Zigzagman (10-03-2009) | ||
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10-03-2009, 08:35 AM
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Peace buddy.
__________________ Life, j-angel aka GP purrie kittie attack cat! My Little Grow LST'ing w/Hardware My Outdoor Odyssey 2008 BONSAI MUMS My Little Grow Indoor To Outdoor 2009 |
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Charlie Foxtrot (10-03-2009), sabasi (10-03-2009) | ||
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10-03-2009, 02:32 PM
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Plants outdoor don't mind of the brightness of moon and stars. Actually the light intensity limit conventionally correspont to the brightness of the full moon.. A full moon illuminate 0,25 Lux. 1 Lux is 1 lumen x squared meter...So the limit is 0,25 lumen x squared meter. Over this limit you risk ermies... To understand better is like have a 40W incandescent lamp at 10 mt. from the source.. Bye |
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Aquarius26 (10-03-2009) | ||
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10-04-2009, 02:53 PM
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I'm truly surprised at how few really definitive answers there are here to the original question !!!! In my case, I don't care about having a light available (i.e; Green Light), I worry about light leaks into my cab/box 'cause always hear the same: "Light leaking in will cause hermies !!!" I'm hoping someone will post a definitive reply. Thanks all Feez |
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grahambond (10-04-2009) | ||
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10-04-2009, 03:01 PM
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__________________ Life, j-angel aka GP purrie kittie attack cat! My Little Grow LST'ing w/Hardware My Outdoor Odyssey 2008 BONSAI MUMS My Little Grow Indoor To Outdoor 2009 |
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grahambond (10-04-2009), I8ntLucky_UR (10-04-2009) | ||
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10-04-2009, 03:05 PM
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10-04-2009, 03:59 PM
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Yeah, you're right. Don't know what I wanted either !!! I suppose then that what I might do to protect against hermies due to light leaks would be to run a few green cfl's in the room surrounding cab during dark hrs. Any leaks should then be no immediate prob. I think you might agree that sealing the box/cab/closet is important for another reason ..... controlling the environment, including the potential for bad critters to gain access to your girls, greater control over temps, humidity, etc ... as well as stealth. Ciao. Thanks for waking me up J-angel. Installing cool-tube, blower, and door today. Will photo and tell results later in correct thread: Build your own cool tube for under $30.00 Feez |
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grahambond (10-04-2009), jangel (10-05-2009) | ||
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10-04-2009, 10:21 PM
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Hi Feezle, if it can be helpful.... I had a light leak during the last grow, during 3rd week flowering.. Light passed trought veg (18/6) to flower (of course 12/12) for at least 3 hours(just after lights switched off in flower)... And it was surely more than full moon brightness.. But nothing happened!! No ermies. I guess is also a matter of different strains, and by the way these was clones from feminized Mohan Ram - Sweet Seeds. Bye |
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