Forestry Images: Forest Health, Natural Resources & Silviculture Images


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Root Problems

Subject	Scientific Name	Order	Family
hairy root disease	Agrobacterium rhizogenes (Riker et al. 1930) Conn 1942	Rhizobiales	Rhizobiaceae
crown gall	Agrobacterium tumefaciens (E. F. Smith & Town.)	Rhizobiales	Rhizobiaceae
Armillaria root rots	Armillaria spp. (Fr.:Fr) Staude	Agaricales	Marasmiaceae
soil compaction		Abiotic	Other abiotic damage
basal cankers
root diseases and rots
construction
drainage
mulching
planting
canker
decay
root problems
urban planting
restricted root system
stem girdling roots
undermined root system
root lifting, soil heaving, and windthrow
imbedded objects
grade change
root cutting and trenching
exposed roots
graft incompatibility		Unknown	Unknown cause
uncorrected lean
laminated root disease	Phellinus weirii (Murrill) R. L. Gibertson	Hymenochaetales	Hymenochaetaceae


				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