Summary
Experts seem to be in disagreement on the severity of a fungus that has heavily impacted spruce trees across the Midwest this year.
Rhizophaera needle cast is a fungal disease, commonly found on Colorado blue spruce trees, that causes defoliation of needles usually from bottom to top, according to Tivon Feeley, forest health program leader for the Iowa Department of Natural Resources.See the full content of this document
Extract
Fur Trees Facing Fungal Attack
The fungus will appear as small black growths on the underside of infected needles...
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