Summary of article in Ornamental Outlook, July 2004 by John M. Ruter
Pest symptoms/damage treatment
Maple Tip Borer tips of twigs and maybe synthetic pyrethroids
and maybe base of trunk
show borer damage
Flatheaded Apple base of trunk imidacloprid
Tree Borer
Leafhoppers damage of new growth none listed
Scales leaves and trunk depending dormant oils
upon type of scale
Spider mites defoliation none specific
listed
Ambrosia Beetles attack stressed container none listed
grown trees
Greenstriped Maple don't use Orthene on
Worm Maples
Tar Spot not usually bad enough
to warrant spraying
Bat Canker also brought on by wet weather Best controlled
by
Root Rot over watering in containers goof
cultural practices
more information
http://edis.ifas.ufl.edu
Billy on the Florida Space Coast
BSF Annual Convention July 1 - 4, 2005 Radisson Hotel, Cape Canaveral,
Florida
Workshops with Jerry Meislik of Whitefish, Montana, Chase Rosade of New Hope,
PA, and Ben Oki of California.
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