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plant nutrient deficiency experiment

Thu Feb 22 14:14:57 EST 1996

I've got a question about a nutrient deficiency experiment I'm trying to
run in intro botany lab.  I'm following the experiment in Vodopodich and
Moore's "Botany" lab manual on p160-161.  I had the experiment set up on
Monday, with tomato seedlings (about a month old) growing in perlite and
being watered with Hoagland's solution minus one of the essential
nutrients.  The problem is, the plants in all treatments but the "water
only" control are dying.  Now, I've got a couple of flats of backup tomato
seedlings that I can use, but I need to figure out why the plants are
dying.  The only chemical I substituted from the Hoagland's solution recipe
listed in Vodopodich  and Moore is Molybdenum trioxide instead of
H2Mo4*4H2O .  Could that have caused the problem?  Any suggestions??


Timothy D. Metz
Assistant Professor of Biology
metz at camel.campbell.edu

Biology Department                               Faculty Advisor
Campbell University                              Alphi Phi Omega
P.O. Box 308                                     Nu Kappa Chapter
Buies Creek, NC 27506
1-910-893-1732 or
1-800-334-4111, ext. 1732
1-910-0893-1424 (fax)

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