The Relationship Between Western Spruce Budworm Defoliation Levels and Growth of Individual Douglas-Fir and Grand Fir Trees

By Nichols Thomas J.  

Forest Science, Vol. 34, Iss. 2, 1988-06 ,pp. : 496-504

Society of American Foresters

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Radial Growth Response of Douglas-fir and Grand Fir to Larval Densities of the Douglas-fir Tussock Moth and the Western Spruce Budworm

By Mason Richard R.   Wickman Boyd E.   Paul H. Gene  

Forest Science, Vol. 43, Iss. 2, 1997-05 ,pp. : 194-205

Society of American Foresters

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Douglas-fir Nutrients and Terpenes: Potential Resistance Factors to Western Spruce Budworm Defoliation

By Clancy Karen M.   Itami Joanne K.   Huebner Daniel P.  

Forest Science, Vol. 39, Iss. 1, 1993-02 ,pp. : 78-94

Society of American Foresters

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Timing of Trunk-Implanted Acephate for Protection of Douglas-Fir from Defoliation by the Western Spruce Budworm

By Koerber Thomas W.   Sandquist Roger E.  

Western Journal of Applied Forestry, Vol. 3, Iss. 4, 1988-10 ,pp. : 126-128

Society of American Foresters

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Net Effect of Spruce Budworm Defoliation on Mortality and Growth of Balsam Fir

By Batzer Harold O.  

Journal of Forestry, Vol. 71, Iss. 1, 1973-01 ,pp. : 34-37

Society of American Foresters

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