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Thread: N. northiana - grown under different lighting conditions

  1. #9
    Capensis's Avatar
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    That's a big difference O_o.
    http://www.terraforums.com/forums/image.php?type=sigpic&userid=6789&dateline=1352508752

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    Chief Cat Behavior Specialist Knuckles's Avatar
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    Very interesting
    Ive seen this in my rafflesianas and personally like the smaller one since the pitchers look enormous compared to the shorter leaves. Thanks for the comparison shots

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    Moderator Cindy's Avatar
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    Thank you everyone for your kind comments. I kept them under different conditions so as to minimise my losses...used to kill every northiana I get...and I wanted to see which will do better. Good thing is, both plants are pitchering well.

    I'll update again in time to come, if there is any difference in pitcher colour etc. So far, the one under T5 has larger slightly pitchers but the leaves are more yellow (not evident in the pics).
    Cindy

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    Cardiac Nurse JB_OrchidGuy's Avatar
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    Well, is orchids, The darker the leaves are the, the less light the plant is getting. Generaly speaking. Some are light green by nature, but two of the same species the one with lighter leaves is getting more light. Again it has to do with the ammount of clorophyll needed to produce the plants energy. I still think the plant grown under the lights is healthier than the outside plant. The outside plant could take more light than its getting I believe, but the light is still within acceptable range of growth because its growing nice still.
    JB
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    Moderator Cindy's Avatar
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    Thanks, Josh. I like both. The one under light is more compact but the green ain't that nice...it is even beginning to look a little bleached. The other plant is at the window ledge and the light it receives is through a tinted window. But in the late afternoon, there is direct sunlight coming in and it seems not to mind the heat build-up.
    Cindy

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    Cardiac Nurse JB_OrchidGuy's Avatar
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    I would think woun not mind the heat buildup. Isn't northiana a lowlander? I am growing mine like that outside. Of course I have only had mine a month and it is only in a 2 inch pot right now, but it has gotten over the shipping shock and is putting out a new leaf already.

    Try backing the one under lights away from the lights a little bit. If it is getting a bleaches apearance to the leaves it is getting too much light, I think. How far are you growing it under the light? Put a little more distance from the plant, since I assume you have other plants under the light, you wouldn't want to shorten the durtion of the light just for one plant if the others are doing good.

    Now keep in mind, I DO NOT grow under lights yet, but have been doing reading and when you increas distance you decrease intensity. I would try to green it up a little more, but from your pictures it looks nice to me.
    JB
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    Moderator Cindy's Avatar
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    Isn't northiana a lowlander?
    It is, but in the wild the nights are cool and very humid...there is often a layer of mist which will cover the growing area in the early hours of the morning. As for my balcony growing in a city area, the day/night temperatures don't change very much. In fact, sometimes as little as 2 degrees.

    Thanks for the tip about the colouration. I'll move the plant a little further to the side of the rack where the intensity of the T5 light is lower and see what happens.
    Cindy

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    Stay chooned in for more! Clint's Avatar
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    I wonder if a night time drop really matters to ultralowland plants. Do they really prefer it to go from "It's so hot, I'm going to kill myself!" in the day to "I'm going to rob an air conditioning retailer" at night? Hehe. I wonder if it's a ratio that's more important or an actual temperature. Maybe 85-90 is as good as 80-85 or 85-80. Doesn't really matter for most lowland plants because they're so easy, but a few are tricky and we may never learn their mysteries.

    You said you grew it in burnt clay, right? What is burnt clay? Is that the same as baked clay used for orchids and hydroponics?

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