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Schlagwort: Choristoneura occidentalis

32 Treffer

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2479
(Auswirkung von kuenstlich veraendertem Stickstoffgehalt der Nadeln auf die Entwicklung und Ueberlebensrate von Junglarven des Wicklers Choristoneura occidentalis Freeman)
J.W. Brewer; K.M. O'Neill; R.E. Deshon

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2479
(Genetische und umweltbedingte Einfluesse auf die Resistenz der Wirtspflanze gegen Blatt- und Nadelfrass: Douglasie und Triebwickler)
David A. Perry; G.B. Pitman

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2479
(Wehrchemie der Inhaltsstoffe von Douglasie, Befallserfolg von Triebwickler und Einfluss forstlicher Massnahmen)
R.G. Cates; R. Redak; C.B. Henderson

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10622
Accuracy of Direct Visual Counts of Western Spruce Budworm Larvae (Lepidoptera/ Tortricidae) on Douglas Fir and Grand Fir Branches
John L. Foltz; Torolf R. Torgersen

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10622
Comparison of two isolates of Bacillus thuringiensis in a field test on western spruce budworm (Lepidoptera/ Tortricidae)
Milton J. Stelzer; Roy C. Beckwith

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11763
Development of Aerial Photo Models that Predict Western Spruce Budworm Defoliation Amounts
Bruce L. Kessler; Joseph J. Ulliman

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9716
Douglas-fir height growth affected by western spruce budworm
G.A. van Sickle; René I. Alfaro; Alan J. Thomson

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10622
Effect of Body Weight on Lethal Dose Estimates for the Western Spruce Budworm
N.E. Savin; Jacqueline L. Robertson; Robert M. Russell

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10622
Effects of Bacillus thuringiensis on parasites of western Spruce budworm (Lepidoptera/ Tortricidae)
Christine G. Niwa; Milton J. Stelzer; Roy C. Beckwith

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10622
Effects of Moisture Before and After Laboratory Spray Application of Insecticides to Western Spruce Budworm (Lepidoptera/ Tortricidae)
Jacqueline L. Robertson; Haiganoush K. Preisler

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10622
Effects of Sorbic Acid and Temperature on Survival and Reproduction of Western Spruce Budworm (Lepidoptera, Tortricidiae)
Karen M. Clancy

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10622
Esterase Polymorphism and Response to Insecticides During Larval Development of the Western Spruce Budworm
Molly W. Stock; J.L. Robertson

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7380
Influence of Dwarf Mistletoe and Western Spruce Budworm on Growth and Mortality of Douglas-fir in Unmanaged Stands
Gregory M. Filip; J.J. Colbert; C.G. Shaw III; Paul F. Hessburg

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13462
The Influence of Water Stress and Insect Defoliation on the Development of Disease in Abies grandis Seedlings Inoculated with Armillaria ostoyae : Root and Butt Rots
Catherine G. Parks; Gregory M. Filip; Everett M. Hansen

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10622
Joint Action of Pyrethroids with Organophosphorus and Carbamate Insecticides Applied to Western Spruce Budworm (Lepidoptera/ Tortricidae)
Jacqueline L. Robertson; Kimberly C. Smith

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