Swiss Needle Cast PDF Download
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Author:
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Category : Douglas fir
Languages : en
Pages : 2
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Author:
Publisher:
ISBN:
Category : Douglas fir
Languages : en
Pages : 2
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Book Description
Author:
Publisher:
ISBN:
Category : Swiss needle cast
Languages : en
Pages : 1
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Author:
Publisher:
ISBN:
Category : Swiss needle cast
Languages : en
Pages : 4
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Author:
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ISBN:
Category : Aerial surveys in forestry
Languages : en
Pages : 8
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Author: Ian A. Hood
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ISBN:
Category : Swiss needle cast
Languages : en
Pages : 4
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Author: Oregon State University. Swiss Needle Cast Cooperative
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ISBN:
Category : Douglas fir
Languages : en
Pages : 106
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Author: Gregory M. Filip
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ISBN:
Category : Douglas fir
Languages : en
Pages : 20
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Book Description
For the past ten years, Douglas-fir on the Oregon and Washington coast has shown a progressive decrease in height and diameter increment as a result of Swiss needle cast, which is caused by Phaeocryptopus gaeumannii. In this contribution, we discuss the effects of silvicultural operations on Swiss needle cast and recommend specific actions to reduce the severity of the disease. We also suggest a method of assessing the severity of Swiss needle cast damage to a stand based on years of needle retention. Our recommendations are based on disease severity and are designed to discriminate against Douglas-fir when planting, thinning, and harvesting stands suffering low, medium, and high Swiss needle cast severity. These recommendations are based on our collective observations and research being conducted by the Swiss Needle Cast Cooperative.
Author: ZHILIANG ZHU
Publisher:
ISBN:
Category :
Languages : en
Pages : 76
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Three aspects of Swiss needle-cast on Douglas-fir were described and studied in this dissertation, including provenance variations, micro-structural alterations due to the disease infection, and aerial photographic detection of the disease.
Author: L. A. Hood
Publisher:
ISBN:
Category :
Languages : en
Pages : 166
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Author: Gregory Filip
Publisher:
ISBN:
Category :
Languages : en
Pages : 16
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