The 2009 ASHS Annual Conference

Stan Hokanson

University of Minnesota
Dept. of Horticutural Science
258 Alderman Hall, 1970 Folwell Ave.
St Paul, MN
USA 55108

Papers:
Evaluation of Landscape Roses From the Earth-KindŽ Trials: Race-Specific Black Spot (Diplocarpon rosae Wolf) Resistance and Ploidy