Problem
Publication
Seridium canker

Jennifer Olson, Oklahoma State University,
Bugwood.org
Canker
(Seiridium)
Canker Sampling of Trees and Woody Ornamentals
Desication (wind burn)

Minnesota Department of Natural Resources -
FIA , Minnesota Department of Natural Resources, Bugwood.org
Environmental
(Winter Drying)
Leaf Scorch and Winter Drying of Woody Plants
Bagworms

Jason Sharman, Vitalitree, Bugwood.org
BagwormBagworms on Landscape Plants
Arborvitae spider mite

Rayanne Lehman, Pennsylvania Department
of Agriculture, Bugwood.org
Spider MiteSpider Mites on Landscape Plants
Phytophthora root rot

Penn State Department of Plant Pathology
& Environmental Microbiology Archives,
Penn State University, Bugwood.org
Root Rot
(Phytophthora)
Common Diseases of Spruce in Kentucky
Seridium canker

Jennifer Olson, Oklahoma State University, Bugwood.org
Canker
(Seiridium)
Canker Sampling of Trees and Woody Ornamentals
Botryosphaeria canker

Theodor D. Leininger, USDA Forest Service, Bugwood.org
Canker
(Botryosphaeria)
Canker Sampling of Trees and Woody Ornamentals