Plant Damage / Signs:
Unsightly swellings (galls) on leaves,
stems, buds or flowers
Leaf or stem distortion may occur
Stem dieback may occur
Insect / Signs:
Various size and shape swellings
(depending on type of Gall)
Galls vary in color (white, green, pink,
red, or brown)
Comon Galls:
Apple Gall
Hackberry Gall
Honeylocust Pod Gall
Horned Oak Gall
Petiole Gall
Spruce Gall (see Adelgids)
Vein Pocket Gall
Wool Sower Gall
Note:
Galls are enlarged growths on various plant parts;
such as leaves, stems, petiole or roots. Most galls
are caused by insects or mites. However, a few
galls (i.e. Crown Gall) are the result of disease
causing pathogens.
|
Plants:
Ash
Aspen
Ceanothus
Cottonwood
Dogwood
Elm
Hackberry
Honeylocust
Holly, Yaupon
Pecan
Oak
Spruce
Willow
Timing:
Anytime, but primarily start in
Spring with new growth
|
