1. Plant Pathology Unit, Gembloux Agro-Bio Tech; University of Liège; avenue Maréchal Juin 13 Gembloux 5030 Belgium
2. The New Zealand Institute for Plant & Food Research Limited (Plant & Food Research); Private Bag 11600 Palmerston North 4442 New Zealand
3. Plant & Food Research; Private Bag 1401 Havelock North 4157 New Zealand
4. Plant & Food Research; Private Bag 92169 Auckland 1142 New Zealand
5. Plant Breeding, Wageningen University & Research; PO Box 386 6700 AJ Wageningen the Netherlands