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Illinois IGB


First Report of a New Crop Virus in North America

April 12, 2015

The switchgrass exhibited mosaic symptoms—splotchy, discolored leaves—characteristic of a viral infection, yet tested negative for known infections. Deep sequencing, a new technology, revealed the plants were infected with a new virus in the genus mastrevirus, the first of its kind found in North America.

April 12, 2015

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