Western Pine Bark-Beetle - a Serious Pest of Western Yellow Fine in Oregon PDF Download
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Author: Oregon State University. Agricultural Experiment Station
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Oregon State University. Agricultural Experiment Station
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Willard Joseph Chamberlin
Publisher:
ISBN:
Category : Western pine beetle
Languages : en
Pages : 32
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Author: Arthur Lester Lovett
Publisher:
ISBN:
Category : Apples
Languages : en
Pages : 55
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Author: Harry Eugene Burke
Publisher:
ISBN:
Category : Bark beetles
Languages : en
Pages : 56
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Author: Philip Cornwell Johnson
Publisher:
ISBN:
Category : Bark beetles
Languages : en
Pages : 44
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Author: John Martin Miller
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Category : Agriculture
Languages : en
Pages : 400
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Book Description
This publication reviews the results of research on the western pine beetle up to July 1, 1952. It shows the progress that has been made in over a half-century of study of this one bark beetle. It also records the trials and errors--the research that ran into blind alleys. The record of this pioneer effort in the field of forest entomology in the United States should be of great help to research workers who are faced with similar problems.
Author: Jesse Lee Webb
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Category :
Languages : en
Pages :
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Author: United States. Forest Service
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Category : Beetles
Languages : en
Pages : 82
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Author: Richard H. Smith
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Category : Jeffrey pine
Languages : en
Pages : 8
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Author: Philip Cornwell Johnson
Publisher:
ISBN:
Category : Bark beetles
Languages : en
Pages : 8
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Book Description
The boles of 71 mature ponderosa pine trees killed by Dendroctonus brevicomis LeConte (Coleoptera: Scolytidae) were analyzed to determine the distribution of the attacks by endemic populations of this bark beetle and those of several phloem -feeding associates. The longitudinal -circumferential distribution of the attacks fitted dia- grammatically into four distinguishable bole infestation patterns. The characteristics of the patterns and similarities with comparable ?attacks of D. brevicomis in northeastern California are discussed.
