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Phytophthora citricola Causes a Stem Canker in Black Walnut (Juglans nigra)

J. Beckerman and G. Ruhl

April 2007

Brief

Black walnut (Juglans nigra) is considered a premier species in the lumber industry. To our knowledge, this is the first report of Phytophthora citricola causing a stem canker on black walnut in North America.

doi:10.1094/PHP-2007-0420-01-BR

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