Differential susceptibility of White Fir provenances to balsam twig aphid / George T. Ferrell.

Bibliographic Details
Uniform Title:Research note PSW ; 403.
Main Author: Ferrell, George T.
Corporate Author: Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
Language:English
Published: Berkeley, Calif. : U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, [1989]
Series:Research note PSW ; 403.
Subjects:
Abies concolor > Diseases and pests > West (U.S.)
Aphids as carriers of disease > West (U.S.)
Physical Description:4 pages : map ; 28 cm.
Format: Government Document Microfilm Book

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