Author: Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 76
Book Description
Forest Insect and Disease Conditions in Canada
Author: Forest Insect and Disease Conditions in the Pacific Northwest
Author: Forest Insect and Disease Conditions in the United States
Author: Forestry Bulletin; Forest Insect and Disease Conditions in Ontario
Author: Major Forest Insect and Disease Conditions in the United States
Author: Forest Insect Pests in Canada
Author: John Alexander ArmstrongPublisher: Canadian Government Publishing
ISBN:
Category : Science
Languages : en
Pages : 756
Book Description
The papers presented in this book cover the range of forest insect pest management activities in Canada. The first section contains papers on the current status of insect pests by region, including data on insect populations and extent of defoliation caused by the insect. The next section covers pest management technology, including the use of insecticides, insect viruses, fungal pathogens, growth regulators, antifeedants, pheromones, natural predators, and aerial spraying. The third section contains papers on the application of technology and equipment for forest pest control, and includes papers on the impacts of insecticides on the forest environment. The fourth section describes operational control programs by province. The final paper presents future strategies for the management of forest pests. An author index is included.
Survey Bulletin; Forest Insect and Disease Conditions in Ontario
Author: Forest Insect and Disease Conditions in Alberta, Saskatchewan, Manitoba and the Northwest Territories in 1988 and Predictions for 1989
Author: F. J. EmondPublisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 42
Book Description
Of forest pest conditions for 1988, with some predictions of infestation status for 1989. Nine major pests are discussed in order of importance (spruce budworm, forest tent caterpillar, mountain pine beetle, Dutch elm disease, dwarf mistletoe, yellowheaded spruce sawfly, larch sawfly, large aspen tortrix, jack pine budworm), and additional noteworthy insects, diseases, and tree damage agents are reported. Results of surveys for acid rain symptoms and pests and damage incidence in nurseries and plantations are also reported.
Browsing Science Research at the Federal Level in Canada
Author: Brian B. WilksPublisher: University of Toronto Press
ISBN: 9780802088116
Category : Science
Languages : en
Pages : 664
Book Description
Wilks provides a historical background, list of publications, and description of activities for most of the major science initiatives undertaken at the federal level. He surveys a wide range of government documents and monographic and serial science collections used by both faculty and students.
Author: