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Bibliothekskatalog
- Schlagwort: Choristoneura occidentalis
32 Treffer
- 1A Suggested Role for Predaceous Birds and Ants in the Population Dynamics of the Western Spruce Budworm
Robert W. Campbell; Torolf R. Torgersen1983 - 2Sampling the Western Spruce Budworm: Fourth Instars, Pupae and Egg Masses
Nilima Srivastava; Robert W. Campbell1984 - 3Simultaneous infestation by dwarf mistletoe and western spruce budworm decreases growth of Douglas-fir in the blue mountains of Oregon
Gregory M. Filip; Catherine A. Parks1987 - 4Selecting foliage and growth variables for relating insect defoliation to coniferous tree growth
Thomas J. Nichols1988 - 5The relationship between western spruce budworm defoliation levels and growth of individual douglas-fir and grand fir trees
Thomas J. Nichols1988 - 6A Tree-Ring Reconstruction of Western Spruce Budworm History in the Southern Rocky Mountains
Thomas W. Swetnam; Ann M. Lynch1989 - 7Influence 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. Hessburg1993 - 8The 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. Hansen1994 - 9Development of Aerial Photo Models that Predict Western Spruce Budworm Defoliation Amounts
Bruce L. Kessler; Joseph J. Ulliman1986 - 10Ueber letale Wirkung von fuenf an Choristoneura occidentalis Free. und Orgyia Pseudotsugata (McDonn.) verfuetterten Haeutungs-Hemmstoffen
N.G. Rappaport; J.L. Robertson1981 - 11(Wehrchemie der Inhaltsstoffe von Douglasie, Befallserfolg von Triebwickler und Einfluss forstlicher Massnahmen)
R.G. Cates; R. Redak; C.B. Henderson1983 - 12(Genetische und umweltbedingte Einfluesse auf die Resistenz der Wirtspflanze gegen Blatt- und Nadelfrass: Douglasie und Triebwickler)
David A. Perry; G.B. Pitman1983 - 13(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. Deshon1987 - 14Kanadas Forstwirtschaft macht sich Sorgen wegen starker Verbreitung des Budwurms im Westen1987
- 15Measuring Diameter Increment Caused by Western Spruce Budworm Defoliation in Britisch Columbia : Environmental Influences on Tree and Stand Increment. Mensuration, Growth and Yield Instruments and Methods in Forest Mensuration. Proceedings
René I. Alfaro; Thomas B. Brann; Dale S. Solomon1986