Tjosvold, S.A. et al. 2005. Nursery guide for diseases caused by Phytophthora ramorum on ornamentals: diagnosis and management.
Univ. California extension provides comprehensive reference for dealing with P. ramorum.
Visit http://anrcatalog.ucdavis.edu for more information.
Tjosvold Nursery guide for nursery diseases P ramorum 8156.pdf
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