diseases of ponderosa pine, western yellow pine

Diseases of ponderosa pine ( Pinus ponderosa ) in Arizona

Fungi & fungal-like organisms: Annosus root and butt rot; Armillaria root disease; Comandra blister rust; Coronado limb rust; White spored gall rust

Parasitic Plants: Southwestern dwarf mistletoe

Plant Disease Identification | Extension Plant Pathology

August 3, 2011

http://cals.arizona.edu/PLP/plpext/diseases/native/pine-ponderosa/pine-ponderosa.html