http://www.freep.com/article/2011071...es?odyssey=tab
"State officials and lawn care professionals say they think Imprelis, an herbicide introduced last year for commercial use by DuPont, may be attacking pines and spruces as if they were weeds."
"State officials and lawn care professionals say they think Imprelis, an herbicide introduced last year for commercial use by DuPont, may be attacking pines and spruces as if they were weeds."