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Originally Posted by Steve
yar wrote:
the reason i was interested in doing this was for the prevention of
crawley bugs. i was told that bugs have a harder time getting a
foothold where the trunk has been painted.
I can't imagine that this would work well enough to be worth the bother.
Steve
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Yar, I agree with Steve as to painting the trees to prevent insect pests. That is best done with good gardening practices. Planting plant material that will attract beneficial insects and birds who eat the bugs will be more help then using pesticides or paint. It's called IPM or Integrated Pest Management. If you have specific pests then that would be the place to start. A good place to start for info on IPM is your local extension service if you are in the US.
http://www.ceinfo.unh.edu/cesites.htm
Here's a couple of sites on IPM you should find helpful.
http://www.nysaes.cornell.edu/ent/biocontrol/
http://www.ento.vt.edu/Fruitfiles/VAFS-organic-ipm.html
Oh, and the advice you got about not using oil based paints is correct. That is a no no.
Newt