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Re: Yellow leaves on tomato seedlings - advice, please!

At 10:00 AM 4/18/97 -0400, you wrote:
>Sounds like too much light.
>I'm a novice myself but I believe 14-16 hours of light should be sufficient.
>I believe a period of dark is absolutely necessary. I can't figure out why
>the other varieties are not affected unless the affected variety is near the
>center of the light source where the light is most intense. I have four
>varieties of tomatoes and two varieties of peppers and I use a four foot
>shoplight almost touching the seedlings and set to stay on 16 hours (6AM to
>10PM). Peppers might be able to handle more light which is why they may not
>show signs (yet).
>                                                 HP
>
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>You are right. plants do have a "dark cycle" and need periods of low
lights. But in this case he needed nitrogen. At least according to a master
gardener friend of mine. But it is important to give those seedlings some
darkness.

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