New Theory on Plant Hormones

Paul Pruitt socrtwo at op.net
Fri Jun 27 04:58:38 EST 1997


I've developed a start at a comprehensive theory of plant hormones which
can be seen at:

http://www.op.net/~socrtwo/plants.htm

Essetially what it says is when thing are going well for the shoots,
auxin is made.  When things are going well for the roots cytokinin is
made.  When things are going poorly for the shoot, GA is made.  When
things are going poorly for the roots ABA is made.  When things are
going well overall, brassinosteroid is made. Finally, when things are
going poorly for the plant overall, ethylene is made.

What's new about the theory is that it establishes clear roles for all
the hormones.  When a plant is making or taking in more than it needs to
just survive or is under no stress, it stimulates itself to grow by
releasing auxin, cytokinin, and brassinosteroid and the plant gets
bigger.  When the plant is not making or taking in materials at a rate
that would allow it to maintain its present size, or is under stress, it
makes GA, ABA and ethylene.  GA, ABA and ethylene make the plant smaller
but stronger.



More information about the Plantbio mailing list