Affiliation: | (1) Division of Plant Industry, CSIRO, GPO Box 1600, 2601 Canberra, A.C.T., Australia;(2) Present address: Laboratoire de Biologie Moleculaire et Cellulaire, Limagrain, BP51, 63360 Gerzat, France;(3) Division of Plant Industry, CSIRO, GPO Box 1600, 2601 Canberra, A.C.T., Australia |