How to identify and control rhabdocline and Swiss needlecasts of Douglas-fir /

Douglas-fir dwarf mistletoe.
Published: (1983)

Rhabdocline needle cast.
Published: (1983)

The deterioration of beetle-killed Douglas-fir in western Oregon and Washington /
by: Wright, Kenneth H.
Published: (1967)

Fir dwarf mistletoe /
by: Filip, Gregory M.
Published: (2000)

Douglas-fir beetle in the intermountain west.
Published: (2004)

Douglas-fir tussock moth in the interior West /
Published: (2000)

Impact of Douglas-fir tussock moth : color aerial photography evaluates mortality /
by: Wert, Steven L., et al.
Published: (1970)

Tree growth in thinned and unthinned white fir stands 20 years after a Douglas-fir tussock moth outbreak /
by: Wickman, Boyd E.
Published: (1988)

Radial growth in grand fir and Douglas-fir related to defoliation by the Douglas-fir tussock moth in the Blue Mountains outbreak /
by: Wickman, Boyd E., et al.
Published: (1980)

Assessing post-fire Douglas-fir mortality and Douglas-fir beetle attacks in the northern Rocky Mountains /
Published: (2007)

Douglas-fir tussock moth handbook : protecting ornamental and shade trees.
Published: (1982)

Plastic cages to protect Douglas-fir seedlings from animal damage in western Oregon /
by: Crouch, Glenn LeRoy, 1929-
Published: (1980)

Decay in white fir top-killed by Douglas-fir tussock moth /
by: Wickman, Boyd E.
Published: (1972)

Phomopsis canker of Douglas-fir.
Published: (1983)

Douglas-fir.
by: Bormann, Bernard T.
Published: (1984)

Differential defoliation of neighboring Douglas-fir trees by western spruce budworm /
by: McDonald, G. I. (Geral I.)
Published: (1981)

Aerial application of Douglas-fir beetle antiaggregative pheromone : equipment and evaluation /
by: Furniss, Malcolm M.
Published: (1982)

Losses associated with Douglas-fir and true fir tops killed by western spruce budworm in eastern Washington /
by: Aho, Paul E.
Published: (1984)

Mammoth Lakes revisited, 50 years after a Douglas-fir Tussock Moth outbreak /
by: Wickman, Boyd E.
Published: (1991)

Natural regeneration 10 years after a Douglas-fir tussock moth outbreak in northeastern Oregon /
by: Wickman, Boyd E.
Published: (1986)

Douglas-fir beetle /
by: Furniss, Malcolm M.
Published: (1978)

Douglas-fir beetle /
by: Schmitz, Richard F.
Published: (1996)

Genetics of Douglas-fir /
by: Silen, Roy R.
Published: (1978)

Growth of white fir after Douglas-fir tussock moth outbreaks : long-term records in the Sierra Nevada /
by: Wickman, Boyd E.
Published: (1986)

Inventory and value of old-growth in the Douglas-fir region /
by: Haynes, Richard W.
Published: (1986)

Dynamics and simulated yield of Douglas-fir /
by: Mitchell, Kenneth J.
Published: (1975)

Establishment report : permanent plots to monitor Douglas-fir mortality due to western spruce budworm and Douglas-fir beetle interactions /
by: Steed, Brytten E.
Published: (2007)

Douglas-fir in northern California : effects of shade on germination, survival, and growth /
by: Strothmann, R. O.
Published: (1972)

Lumber recovery and deterioration of beetle-killed douglas-fir and grand fir in the Blue Mountains of eastern Oregon /
Published: (1996)

Survival and growth of Douglas-fir seed sources in the Hospital Tract rangewide source archive plantation /
by: Gamble, William E.
Published: (1996)

Spatial variability in generalist predation on the Douglas-fir tussock moth /
by: Hovland, Charlotte
Published: (2021)

Development of western spruce budworm on Douglas-fir callus tissue /
by: Beckwith, R. C.
Published: (1991)

Swiss needle cast.
Published: (1983)

Nursery fertilization of Douglas-fir seedlings with different forms of nitrogen /
by: Radwan, M. A., 1926-
Published: (1971)

Douglas-fir tussock moth /
by: Wickman, Boyd E.
Published: (1980)

Site index curves for Douglas-fir in New Mexico /
by: Edminster, Carleton B.
Published: (1976)