Differential susceptibility of white fir provenances to balsam twig aphid

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Bibliographic Details
Main Authors: Ferrell, G.T., Forest Service, Berkeley, CA (USA). Pacific Southwest Forest and Range Experiment Station eng
Format: Texto biblioteca
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Published: Berkeley, CA (USA) FS, PSFRES 1989
Subjects:ABIES CONCOLOR, PEST RESISTANCE, APHIDIDAE, RESISTANCE AUX ORGANISMES NUISIBLES, RESISTENCIA A LAS PLAGAS,
Online Access:http://www.fs.fed.us/psw/publications/documents/psw_rn403/psw_rn403.pdf
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