. Differential effects of the 1944-56 spruce budworm outbreak in eastern Oregon. Spruce budworm Oregon; Trees Diseases and pests Oregon. CASE HISTORY II. 1935 1940 1945 1950 1955 1958 1960 GRAND FIR \ DOUGLAS-FIR J I L \ DEAD STEM ( Dieback ) I I I I I I I I l ""I L 1941 1942 1944 1946 1948 1950 1952 1954 1956 1958 Figure 2.—Annual radial and height growth of a moder- ately damaged grand fir and an adjacent, lightly damaged Douglas-fir which appeared to be in sharp Please note that these images are extracted from scanned page images that may have been digitally
. Differential effects of the 1944-56 spruce budworm outbreak in eastern Oregon. Spruce budworm Oregon; Trees Diseases and pests Oregon. CASE HISTORY II. 1935 1940 1945 1950 1955 1958 1960 GRAND FIR \ DOUGLAS-FIR J I L \ DEAD STEM ( Dieback ) I I I I I I I I l ""I L 1941 1942 1944 1946 1948 1950 1952 1954 1956 1958 Figure 2.—Annual radial and height growth of a moder- ately damaged grand fir and an adjacent, lightly damaged Douglas-fir which appeared to be in sharp Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Williams, Carroll B. cn; Pacific Northwest Forest and Range Experiment Station (Portland, Or. ). [Portland, Or. ] : Pacific Northwest Forest and Range Experiment Station, Forest Service, U. S. Dept. of Agriculture
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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
