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Illustration of Key Morphological Characteristics of Phytophthora Species Identified in Virginia Nursery Irrigation Water

E. A. Bush, E. L. Stromberg, C. Hong, P. A. Richardson, and P. Kong

June 2006


Phytophthora diseases are commonly diagnosed on ornamental plants, but taxonomic identification to species can be intimidating. This illustrative guide is designed to aid diagnosticians in morphological identification of certain Phytophthora spp. that have been reported in irrigation and effluent water in nurseries. Using both morphological and molecular methods, the authors identify diagnostic characteristics that are consistent and easy to use.


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