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Filtering by: Subject Ponderosa pine -- Diseases and pests -- Oregon Advisor Hailemariam, Temesgen File Format application/pdf

Taper, crown, and volume responses of a coastal Oregon Douglas-fir stand to sulfur treatments for control of Swiss needle cast

Creator:

Younger, Nicole L.

Abstract:

For nearly two decades, foresters in the Oregon Coast Range have been witnessing a substantial decease in Douglas-fir (Pseudotsuga menziesii var. menziesii [Mirb.] Franco.) vigor and growth, caused by Swiss needle cast (Phaeocryptopus gaeumannii). Currently, no solutions are in sight but aerially-applied sulfur may alleviate Swiss needle cast and its...

Resource Type:

Masters Thesis

Full Text:

14, 2007. Title: Taper, Crown, and Volume Responses of a Coastal Oregon Douglas-fir Stand to