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United States Department of Agriculture

Agricultural Research Service

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Stem Rust Resistant Berberis, Mahoberberis, and Mahonia
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Please read the complete regulation in Federal Register Vol 67, No. 36, February 22, 2002

Thirteen additional cultivars were added to the list in Federal Register Vol 71, No. 23, February 3, 2006.

Four additional cultivars were added to the list in Federal Register Vol 72, No. 112, June 12, 2007.

Twenty one additional cultivars were added to the list in Federal Register Vol 75, No. 100, May 25, 2010.

Four additional cultivars were added to the list in Federal Register Vol 75, No. 173, Sept. 8, 2010.

Two additional cultivars were added to the list in Federal Register 78 FR 27855, May 13, 2013. 


Please note:

Cultivars not included in the above lists should be assumed to be either susceptible or not yet cleared for distribution in the barberry protected areas.

Federal Register Online


Last Modified: 9/16/2013
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