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Light for Transplanted Seedlings & Aluminum Foil Reflectors

Hi,

Being fairly new to propagation (only 3 years) , I follow the advice of anyone
who has been doing it longer than me.  That means I'm always confused because
for every gardening book or magazine article that says one thing, there is
another book or article that contradicts it.  One book said that seedlings
should immediately return to full sun or to flourescent lights after
transplanting.  Another book said wait 24 hours.  I've tried both methods,
plus waiting 8, 10, and 12 hours before putting seedlings back under the
lights.  The seedlings appear stressed after transplanting no matter what I
do.  So my question:  how long before transplanted seedlings return to the
light source?  

There is an interesting small feature in this month's Fine Gardening Magazine.
Since nothing is new under the sun, many of you may be doing this already.  A
home gardener wrote in this month's issue that a sheet of aluminum foil
attached to one light fixture and stretched across the open space to the other
fixture would allow a whole flat of seedlings to grow under the aluminum
foil--without being directly under the lights. This sounded too good to be
true and I'm wondering if anyone on the list has tried this before?

Thanks for all the great information.  I hope one day I'll be able to
contribute something substantial to the list when I'm less of a newbie.

Thank you.

Alaiyo Barnes
Southern Maryland
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