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United States Department of Agriculture

Agricultural Research Service

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John J Roberts
Plant Genetic Resources Conservation Unit
(This person is no longer with ARS)
Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Races of Puccinia Graminis in the United States During 1995 - (Peer Reviewed Journal) - (04-Dec-96)
The Rusts of Wheat in the United States in 1995 - (Other) - (01-Mar-96)
Races of Puccinia Graminis in the United States During 1994 - (Peer Reviewed Journal) - (03-Nov-95)
The Role of the USDA-ARS Cereal Rust Laboratory Virulence Surveys - (Abstract Only) - (16-Aug-95)
Races of Puccinia Graminis in the United States During 1993 - (Peer Reviewed Journal) - (18-May-95)
Virulence and Diversity of Puccinia Recondita F.SP. Tritici in the United States in 1992 - (Peer Reviewed Journal) - (15-Jun-94)
Races of Puccinia Graminis in the United States During 1992 - (Peer Reviewed Journal) - (01-Aug-93)
Virulence and Diversity of Puccinia Recondita F.SP. Tritici in the United States in 1991 - (Peer Reviewed Journal) - (05-Apr-93)
Races of Puccinia Graminis in the United States During 1991 - (Peer Reviewed Journal) - (29-Sep-92)
Last Modified: 7/22/2014
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