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deformed new leaves

Posted by gramyjan (My Page) on
Thu, Sep 13, 07 at 11:59

I am having a problem with deformed new leaves. In the past 3-4 months I set up a light stand with 1 cool white and one grow light. My standareds are about 10 inches away and my semis about 8 inches. It seems on somne of my plants the new leaves are all schrunched up and deformed.
Are my lights too close?
Thanks for any help
Jan


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RE: deformed new leaves

  • Posted by jld1 Detroit (My Page) on
    Fri, Sep 14, 07 at 9:04

If the new leaves are also really tightly packed together, I would suggest you are giving them too much light intensity. I had this problem once. I backed the lights off about 5 inches and problem solved. 10 inches doesn't sound too close, but lacking any other symptoms, that's my diagnosis.


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RE: deformed new leaves

Most growers say standards 10-12 inches from the bulbs and 6-8 inches for semis and minis.

I would start with putting these a few inches lower and see if the problem resolves itself.

Also new light bulbs, especially two new light bulbs would be giving you very intense light which will change in a few months. In the meantime, you can adjust the distance or you can put a piece of tissue in the center for a few weeks then see if leaves start taking a bit more room.

Nancy


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