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First Report of Sugar Beet Seedling Rust Caused by Puccinia subnitens in Nebraska

R. M. Harveson

March 2010


This is the first report of seedling rust on sugar beets and common lambsquarters in Nebraska. It is also the first report of the pycnial stage of P. subnitens from natural infections and documentation of multiple infections of sugar beet leaves beyond the seedling stage. The unusually cool and wet weather during May and June 2009 likely contributed to the high incidence of fields with rust.


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