A Severe Epidemic of Marssonina Leaf Blight on Quaking Aspen in Northern Utah PDF Download
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Author: Roy O. Harniss
Publisher:
ISBN:
Category : Fungal diseases of plants
Languages : en
Pages : 8
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Book Description
The extent of Marssonina leaf blight (Marssonina populi) on quaking aspen (Populus tremuloides) was observed in northern Utah and adjacent States in 1981 and 1982. Area of the epidemic and symptoms of the disease are described. On 1,000 acres (405 hal) in northern Utah, infection levels were 6 percent slight, 12 percent light, 32 percent moderate, 16 percent moderately heavy, and 34 percent heavy.
Author: Roy O. Harniss
Publisher:
ISBN:
Category : Fungal diseases of plants
Languages : en
Pages : 8
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Book Description
The extent of Marssonina leaf blight (Marssonina populi) on quaking aspen (Populus tremuloides) was observed in northern Utah and adjacent States in 1981 and 1982. Area of the epidemic and symptoms of the disease are described. On 1,000 acres (405 hal) in northern Utah, infection levels were 6 percent slight, 12 percent light, 32 percent moderate, 16 percent moderately heavy, and 34 percent heavy.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 202
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Book Description
Author:
Publisher:
ISBN:
Category : Aspen
Languages : en
Pages : 294
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Book Description
Information about the biology, ecology, and management of quaking aspen on the mountains and plateaus of the interior western United States, and to a lesser extent, Canada, is summarized and discussed. The biology of aspen as a tree species, community relationships in the aspen ecosystem, environments, and factors affecting aspen forests are reviewed. The resources available within and from the aspen forest type, and their past and potential uses are examined. Silvicultural methods and other approaches to managing aspen for various resources and uses are presented.
Author: Russell T. Graham
Publisher:
ISBN:
Category :
Languages : en
Pages : 426
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Book Description
Author: F. H. Tainter
Publisher: John Wiley & Sons
ISBN: 9780471129523
Category : Science
Languages : en
Pages : 828
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Book Description
This book focuses on the practical aspects of forest diseases and on practical measures to minimize damage and loss. Forest Pathology is a reference book that deals with the study of the problems and damage to forests due to: plant diseases, insects, fire, weather, and animals. It is both a forestry book and a plant pathology book. The first section deals with general topics and principles, including both abiotic causes and biotic causes such as fungi, bacteria, mycoplasms, and viruses. The second section presents the details of particular forest diseases and offers practical management suggestions.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 760
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 228
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 466
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Book Description
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1138
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Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Author: Thomas E. Hinds
Publisher:
ISBN:
Category : Aspen
Languages : en
Pages : 16
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Book Description
