title: Resistance gene naming and numbering: is it a new gene or not?-authors' response.
authors.affiliation: School of Life and Environmental Sciences, The University of Sydney, Sydney, 2006 New South Wales, Australia ruth.hall@sydney.edu.au.
authors.forename: Ruth M
authors.initials: RM
authors.lastname: Hall
authors.affiliation: Institute of Farm Animal Genetics, Friedrich-Loeffler-Institut, Höltystr. 10, 31535 Neustadt-Mariensee, Germany.
authors.forename: Stefan
authors.initials: S
authors.lastname: Schwarz