1. Organic Plant Breeding and Seed Production Sativa Rheinau AG Rheinau
2. Section of Genetic Resources and Organic Plant Breeding Georg‐August‐Universität Göttingen Göttingen Germany
3. Universität Kassel, Nordbahnhoftstraße 1a D‐37213 Witzenhausen Germany
4. Department of Crop Sciences, Division of Plant Breeding Methodology Georg‐August‐Universität Göttingen Göttingen Germany