Relation of Canyon Physiography to the Incidence of Blister Rust in the Central Sierra Nevada PDF Download
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Author: Clarence R. Quick
Publisher:
ISBN:
Category : Blister rust
Languages : en
Pages : 20
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Book Description
White pine blister rust is widespread and abundant on sugar pine in northwest California. In the central Sierra Nevada, it tends to occur in "pockets" in canyons and stream basins. Records of infection near the southerly limit of the disease were scrutinized. Data from 14 areas were studied statistically. Eight physiographic factors were computed for each rust center. Canyon physiography and intensity of rust were markedly correlated. A records approach to prediction of future rust incidence in the central Sierra Nevada could be useful in planning control work.
Author: Clarence R. Quick
Publisher:
ISBN:
Category : Blister rust
Languages : en
Pages : 20
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Book Description
White pine blister rust is widespread and abundant on sugar pine in northwest California. In the central Sierra Nevada, it tends to occur in "pockets" in canyons and stream basins. Records of infection near the southerly limit of the disease were scrutinized. Data from 14 areas were studied statistically. Eight physiographic factors were computed for each rust center. Canyon physiography and intensity of rust were markedly correlated. A records approach to prediction of future rust incidence in the central Sierra Nevada could be useful in planning control work.
Author: Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 566
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Author: Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 64
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Book Description
Author: Bohun B. Kinloch
Publisher: UCANR Publications
ISBN: 9781879906266
Category : Technology & Engineering
Languages : en
Pages : 236
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Author: Harvey, Hartesveldt, Heath and Stanley, Inc
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 154
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Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1304
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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 884
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1284
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Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 1284
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Author: California Forest and Range Experiment Station
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 1018
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