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High Plains Virus (HPV) is found in small grains and corn and is commonly transmitted by the wheat curl mite. In 2016, a local farmer had a high incidence of HPV in all of his sweet corn in three different locations. However no mites were found. Drone imagery was taken of the field and showed a pattern of infected corn plants that indicated that the virus was seed borne. Yield loss was an estimated 50% for the field. Seed transmission of HPV in corn has been considered unimportant in the past due to low percentage of infection (Forster et al. 2001). The objective of this project was to determine the level of seed contamination with HPV and rate of seed transmission to corn plants.

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