Cotoneaster Archives
Insects and diseases that can affect Cotoneaster (Cotoneaster).
-
Botryosphaeria Canker
The fungus Botryosphaeria can cause a branch dieback on many woody ornamentals. Cankers girdle and kill twigs and branches of species such as horsechestnut, redbud, dogwood, beech, walnut, tulip poplar, sweetgum, crabapple, pine, oak, rhododendron, azalea, rose, willow, elm, and yew. Small black fungal fruiting structures which contain fungal spores develop in the canker.
-
Fire Blight
Fire blight is a disease caused by the bacterium Erwinia amylovora. Twigs, branches, and leaders on trees and shrubs wilt…
-
Hawthorn Lace Bug
Lace bugs are common pests of a variety of ornamental trees and shrubs.
-
Southern Red Mite
The female adult is about 0.38 mm long and resembles a small spider.