Surveys of Douglas-Fir Cone and Seed Insect Damage in Northwestern California, 1954-1958

By Stevens Robert E.  

Journal of Forestry, Vol. 57, Iss. 12, 1959-12 ,pp. : 897-899

Society of American Foresters

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Damage to the Seed of Douglas-Fir by the Douglas-Fir Cone Midge

By Johnson Norman E.   Heikkenen H. J.  

Forest Science, Vol. 4, Iss. 4, 1958-12 ,pp. : 274-282

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Cone-Scale Necrosis and Seed Damage Associated with Attacks by Douglas-fir Cone Midges

By Johnson Norman E.  

Forest Science, Vol. 9, Iss. 1, 1963-03 ,pp. : 44-51

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Douglas-Fir Orchards: Managing Cone and Seed Insects

By Zhang Yanli   Schowalter Timothy D.  

Journal of Forestry, Vol. 95, Iss. 3, 1997-03 ,pp. : 28-32

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Returns from the Management of Noble Fir Stands for Bough Production and Sawtimber

By Blatner Keith A.   Cohn Patricia J.   Fight Roger D.  

Western Journal of Applied Forestry, Vol. 25, Iss. 2, 2010-04 ,pp. : 68-72

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