1. Laboratory of Nematology Wageningen University and Research Wageningen Netherlands
2. Department of Molecular Phytomedicine University of Bonn Bonn Germany
3. ICAR National Rice Research Institute Cuttack753006India
4. Department of Plant Sciences University of Idaho Moscow USA
5. KeyGene N.V. Wageningen Netherlands
6. Strube Research GmbH Hauptstrasse 138387Söllingen Germany