Forestry Images: Forest Health, Natural Resources & Silviculture Images


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Unknown Cause

Subject	Order	Family
unknown
hazelnut brown stain	Unknown	Unknown cause
yellow shoulder disorder	Unknown	Unknown cause
graft incompatibility	Unknown	Unknown cause
catfacing	Unknown	Unknown cause
needle droop	Unknown	Unknown cause
dieback	Unknown	Unknown cause
rhododendron shoot proliferation	Unknown	Unknown cause
leaf distortion	Unknown	Unknown cause
slime flux	Unknown	Unknown biotic damage agent
burr knot	Unknown	Unknown cause
sudden aspen decline	Complex disorder	Decline complexes
yellow birch decline	Complex disorder	Decline complexes


				Forestry Images is a joint project of The Bugwood Network and USDA Forest Service. The University of Georgia - Warnell School of Forestry and Natural Resources and College of Agricultural and Environmental Sciences - Dept. of Entomology