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First Report of Orobanche ludoviciana Parasitizing Sunflowers

R. M. Harveson, A. Nelson, F. M. Mathew, and G. J. Seiler

November 2015


In September 2014, a commercial field in western Nebraska was found exhibiting sunflower plants being parasitized by another flowering plant. Its presence was detected in approximately 25% of the field. The parasite was identified as Orobanche ludoviciana, and represents the first known report of any species of Orobanche attacking sunflowers in the Western Hemisphere.


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