We have a ten year old Pin Oak tree which appears healthy, however, most all
of the branches have round, almost golf-ball size galls. What is causing
this and is there anything we can do?

We live near Niagara Falls, Ontario, Canada - hot, humid summers, freezing
cold winters.

Thanks,
Rachel.

If you wish to contact me directly: macs8000 at hotmail dot com

On Tue, 08 Apr 2003 17:41:02 -0400, ABC wrote:

We have a ten year old Pin Oak tree which appears healthy, however, most all
of the branches have round, almost golf-ball size galls.


http://ag.udel.edu/extension/information/hyg/hyg-03.htm




"As crude a weapon as a cave man's club the chemical barrage has been hurled at the fabric of life."
Rachel Carson