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Author: B. H. Moody
Publisher:
ISBN: 9780662178156
Category :
Languages : en
Pages : 105
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Book Description
Annual survey of forest insect and disease conditions, categorized as major forest insects and diseases and individually described. Also contains information on the Acid Rain National Early Warning System, special surveys such as cone and seed pests, pests and diseases in young stands and plantation, Stillwell's syndrome, and the pinewood nematode, and a regional summary. Also included is an overall summary of defoliation and damage estimates and an index to insects, diseases and damage.
Author: B. H. Moody
Publisher:
ISBN: 9780662178156
Category :
Languages : en
Pages : 105
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Book Description
Annual survey of forest insect and disease conditions, categorized as major forest insects and diseases and individually described. Also contains information on the Acid Rain National Early Warning System, special surveys such as cone and seed pests, pests and diseases in young stands and plantation, Stillwell's syndrome, and the pinewood nematode, and a regional summary. Also included is an overall summary of defoliation and damage estimates and an index to insects, diseases and damage.
Author: L. J. Clarke
Publisher:
ISBN: 9780662170884
Category : Forest insects
Languages : en
Pages : 38
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Book Description
Summary of forest pest conditions in Newfoundland and Labrador in 1988, compiled from information collected in 12 Forest Insect and Disease Survey Districts. Major pests of fir, spruce, pine and larch forests and deciduous tree species are discussed in detail and pests of lesser importance are tabulated.
Author: Denis Lachance
Publisher: Sainte Foy, Quebec : Forestry Canada, Quebec Region
ISBN: 9780662187158
Category : Forest insects
Languages : en
Pages : 229
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Book Description
Report of the forest insect and disease situation from 1936-88 for Quebec's Administrative Region 03, giving a synthesis of all observations made in the region and thus enabling foresters, researchers, and woodlot owners to better assess the importance of forest pests and the potential danger they represent. The entomological and pathological problems are arranged in alphabetical order for each tree species, which are also in alphabetical order. There are nine maps indicating major problems, an alphabetical list of codes, and an index of both Latin and common names of pest species.
Author: F. J. Emond
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 42
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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.
Author:
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 134
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Book Description
Author: H. F. Cerezke
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 40
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Book Description
Forest pest conditions in Alberta, Saskatchewan, Manitoba, and the Northwest Territories during 1987 are summarized, and some predictions of infestation status are given for 1988. Eight major pests are discussed, and additional noteworthy insects, diseases, and other tree damage agents are reported in a table. Results of surveys for acid rain symptoms, pests and damage incidence in nurseries and plantations, and climatic injury to trees are also reported.
Author: Canadian Forestry Service
Publisher: Forest Insect and Disease Survey, Canadian Forestry Service
ISBN: 9780662139423
Category : Forest insects Canada
Languages : en
Pages : 76
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Book Description
In this report, pests considered to be currently most significantin terms of their present or potential economic or environmentalimpact are described in detail under "Major Forest Insects andDiseases." Regional surveys of pests are summarized under"Special Surveys." The status of many other pests is presentedin tabular form by region under the title "Other Insects andDiseases." A section on the Acid Rain National Early WarningSystem is included.
Author: Forest Insect and Disease Survey (Canada)
Publisher:
ISBN: 9780662197188
Category : Forest insects
Languages : en
Pages : 117
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Book Description
Author: Colin S. Wood
Publisher:
ISBN: 9780662228301
Category : Forest insects
Languages : en
Pages : 39
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Book Description
Author:
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 76
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Book Description
