ARTICLE
22 April 2016

APHIS Amends Black Stem Rust Quarantine Regulations

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Jones Day

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The fungus is spread from host to host by windborne spores.
United States Food, Drugs, Healthcare, Life Sciences

In the March 22, 2016, Federal Register, USDA's Animal and Plant Health Inspection Service ("APHIS") confirmed the effective date of the direct final rule published January 22, 2016, which amended the black stem rust quarantine and regulations by adding nine varieties to the list of rust-resistant Berberis species and varieties. Black stem rust is one of the most destructive plant diseases of small grains that is known to exist in the United States. The disease is caused by a fungus (Puccinia graminis) that reduces the quality and yield of infected wheat, oat, barley, and rye crops. In addition to infecting small grains, the fungus lives on a variety of alternate host plants that are species of the genera Berberis, Mahoberberis, and Mahonia. The fungus is spread from host to host by windborne spores. The rule was effective March 22, 2016.

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