Prof. Toshihiko YamadaHokkaido UniversityField Science Center forNorthern BiosphereKita 11, Nishi 10Kita-ku Sapporo 060-0811JapanProf. German SpangenbergVictorian AgriBiosciencesCentreDept. Primary Industries1 Park DriveLa Trobe R&D ParkAustralia