Estimating Defoliation of Douglas-fir and White Fir by the Western Budworm PDF Download
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Author: M. E. McKnight Publisher: ISBN: Category : Abies concolor Languages : en Pages : 4
Book Description
A figure and a table are presented for estimating defoliation by the western budworm (Choristoneura occidentalis) from counts of undamaged shoots. the estimates are made on foliage samples taken for budworm egg mass surveys.
Author: M. E. McKnight Publisher: ISBN: Category : Abies concolor Languages : en Pages : 4
Book Description
A figure and a table are presented for estimating defoliation by the western budworm (Choristoneura occidentalis) from counts of undamaged shoots. the estimates are made on foliage samples taken for budworm egg mass surveys.
Author: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) Publisher: ISBN: Category : Forests and forestry Languages : en Pages : 402
Author: United States. Rocky Mountain Forest and Range Experiment Stations, Fort Collins, Colo Publisher: ISBN: Category : Forests and forestry Languages : en Pages : 544
Author: Melvin E. McKnight Publisher: ISBN: Category : Choristoneura Languages : en Pages : 42
Book Description
Covers 370 literature citations on the spruce (C. fumiferana (Clemens)), western (C. occidentalis Freeman), and 2-year-cycle (C. biennis Freeman) budworms through November 1967. Citations are also organized in a suject index.
Author: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) Publisher: ISBN: Category : Forests and forestry Languages : en Pages : 202
Author: M. E. McKnight
Author: M. E. McKnight
Author: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Author: Valentine M. Carolin
Author: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Author: M. E. McKnight
Author: J. M. Schmid
Author: United States. Rocky Mountain Forest and Range Experiment Stations, Fort Collins, Colo
Author: Melvin E. McKnight
Author: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Author: