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Fusarium Species Associated with Tall Fescue Seed Production in Oregon

C. M. Ocamb and S. C. Alderman

March 2004

Research

Seeds collected from 15 commercial tall fescue seed production fields were examined for Fusarium spp., which was recovered from 0 to 32% of these seeds. Disinfesting reduced the recovery of Fusarium to > 7%. Inoculating panicles with F. avenaceum or F. pseudograminearum significantly reduced seed germination rates. This work confirms that Fusarium spp. decrease seed germination and expands the pathogen list to include F. avenaceum and F. pseudograminearum.

doi:10.1094/PHP-2004-0319-01-RS

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