Mortality and top killing of spruce-fir caused by repeated budworm defoliation View on Open Library

Mortality and top killing of spruce-fir caused by repeated budworm defoliation

by Donald C. Schmiege

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First published: 1961 1 language
Subjects
Abies Spruce budworm Choristoneura fumiferana Picea Forest insects Spruce Mortality Diseases and pests

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