Systems of Designation of Pathotypes of Plant Pathogens |
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| Authors: | Eckhard Limpert Brian Clifeord Antonin Dreiseitl Roy Johnson Kaspar Müller Aean Roelfs Colin Wellings |
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| Institution: | 1. E. Limpert, K. Müller, Phytopathology, Institute of Plant Sciences, Swiss Federal Institute of Technology, CH-8092 Zurich, Switzerland;2. B. Cfford, LG.E.R. Welsh Plant Breeding Station, Plas Gogerddan, Aberystwyth, Dyfed SY23 3EB, United Kingdom.;3. A. Dreiseitl, Cereal Research Institute, Havlickova 2787, P.O. Box 55, CS-76741 Kromeriz, Czechoslovakia;4. R. Johnson, Institute of Plant Science Research, Cambridge Laboratory, John Innes Centre, Colney, Norwich NR4 7UJ, United Kingdom.;5. A. P. Roelfs, Cereal Rust Laboratory, USDA ARS, University of Minnesota, St. Paul, Minnesota, MN-55108, USA;6. C. Wellings, University of Sydney, Plant Breeding Institute, Cobbitty Road, Cobbitty N.S.W. 2570, Australia. |
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| Abstract: | To name pathotypes of plant pathogens, a variety of systems of designation has evolved, which was evaluated to find out the systems best suited. Virulence and avirulence/virulence formulae of pathotypes are by far advantageous over the use of consecutive numbers or letters given in chronological order of pathotype discovery. As soon as pathotype information surpasses a certain level of complexity, mathematical codes are most advantageous and, in particular, octal notation and coded triplets (tripletcode). To ease communication and comparisons of results, a more universal adoption of the most appropriate codes is recommended. |
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