Thank you to all who replied to my post.
The overwhelming consensus is that there is no definite answer. I got some
great advice on removing invasives, and some references that might prove
useful. I think that if there is anyone out there looking for a research topic
for graduate work, or any kind of research this would be a great subject.
Obviously, not enough is known about what happens to harmful chemicals once the
plant producing them is dead. I will do some reading and maybe a small
experiment and keep you all informed.
Thank you again.
Sarah M. Harrelson
Wayne National Forest
Ironton, OH
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