Spruce Tree Disease

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SPRUCE TREE DISEASE-RHIZOSPHAERA NEEDLECAST VS. CYTOSPORA CANKER

There are two commonly occurring diseases on spruce trees in ND, Rhizosphaera needlecast and Cytospora canker. Both are named after the fungus that causes the disease, and both result in needle browning that often begins in the lower part of the tree.It is important to distinguish between the two, however, since management of each disease is quite different.

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Contact Information

Duane Hauck, Director
NDSU Dept. 7000
315 Morrill Hall
P.O. Box 6050

Fargo, ND 58108-6050
Tel. (701) 231-8944
Fax: (701) 231-8520
Email: NDSU.ExtensionDirectorsOffice@ndsu.edu