Pitch canker threatens California pines
AuthorsArthur H. McCain
Carlton S. Koehler
Steven A. Tjosvold
Authors AffiliationsArthur H. McCain is Plant Pathologist, Cooperative Extension, University of California, Berkeley; Carlton S. Koehler is Entomologist, Cooperative Extension, University of California, Berkeley; Steven A. Tjosvold is Farm Advisor, Cooperative Extension, Santa Cruz County.
Hilgardia 41(11):22-23. DOI:10.3733/ca.v041n11p22. November 1987.
Although it primarily affects Monterey pines, pitch canker is also a potential threat to other pines in the urban landscape as well as to commercial pine forests and recreation areas.
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Biologically derived insecticides for use against beet armyworm
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