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Differential defoliation of ne...
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Differential defoliation of neighboring Douglas-fir trees by western spruce budworm /
U.S. Federal Government Document
Table of Contents
Resistance of Douglas-fir to western spruce budworm : results of a preliminary progeny test /
by: McDonald, G. I. (Geral I.)
Comparison of western spruce budworm populations and damage on grand fir and Douglas-fir trees /
by: Carolin, V. M. (Valentine M.), 1918-
Effect of western spruce budworm on douglas-fir cone production in western Montana /
by: Chrisman, Allen B.
Development of western spruce budworm on Douglas-fir callus tissue /
by: Beckwith, R. C.
Monitoring larval populations of the Douglas-fir tussock moth and the western spruce budworm on permanent plots : sampling methods and statistical properties of data /
by: Mason, Robert R.