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By: Canada. Department of Agriculture. Forest Biology Division. - Canada. Department of Forestry. Forest Entomology and Pathology Branch. - Canada. Department of Forestry.Edition:Publication info: Ottawa, Canada, Dept. of Agriculture, Science Service, Division of Forest Biology, 1951-1966Volume:Series:Holding Institution: University of Toronto - Gerstein Science Information CentreSubjects: achteruitgang, bossen afsterving bosbescherming bosbouw bospathologie bosplagen bosschade Bosteelt Bosziekten en -plagen Canada Dieback forest damage Forest decline forest pathology forest pests Forest Pests and Diseases Forestry Forests and forestry houtteelt Periodicals protection of forests Research silvicultureBHL Collections:
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By: Hiley, W. E.Edition:Publication info: Oxford, Clarendon Press, 1919Volume:Series:Holding Institution: Multiple institutionsSubjects: Bacteria bomen bosbouw bosschade Bosziekten en -plagen Diseases and pests forest damage Forest Pests and Diseases Forestry Fungi larch (wood) Larches Larix Mycologie Mycology Phytopathogenic fungi Pinaceae schimmels TreesBHL Collections: