Improved Automated Device for Rapid Planting of Differential Sets. E. F. Ikonen, 47 Tamworth Bay, Winnipeg, Manitoba, Canada R3T 2X4,. J. W. Martens, D. E. Harder, and D. J. Samborski, Research Station, Agriculture Canada, 195 Dafoe Road, Winnipeg, Manitoba, Canada R3T 2M9. Plant Dis. 68:266. Copyright 1984 Department of Agriculture, Government of Canada. DOI: 10.1094/PD-68-266.