Affiliation: | (1) DLO-Centre for Plant Breeding and Reproduction Research (CPRO-DLO), P.O. Box 16, 6700 AA Wageningen, The Netherlands;(2) DLO-Research Institute for Plant Protection (IPO-DLO), P.O. Box 9060, 6700 GW Wageningen, The Netherlands;(3) Agrico Research, P.O. Box 40, 8300 AA Emmeloord, The Netherlands |