About the Authors

Alexander Strigens

Affiliation Institute of Plant Breeding, Seed Science and Population Genetics, University of Hohenheim, Stuttgart, Germany

Wolfgang Schipprack

Affiliation Institute of Plant Breeding, Seed Science and Population Genetics, University of Hohenheim, Stuttgart, Germany

Jochen C. Reif

Current address: Department of Cytogenetics and Genome Analysis, Leibniz Institute of Plant Genetics and Crop Plant Research, Gatersleben, Germany

Affiliation State Plant Breeding Institute, University of Hohenheim, Stuttgart, Germany

Albrecht E. Melchinger

melchinger@uni-hohenheim.de

Affiliation Institute of Plant Breeding, Seed Science and Population Genetics, University of Hohenheim, Stuttgart, Germany

Competing Interests

The authors have the following interests. A set of 134 DH lines was produced by KWS SAAT AG (Einbeck, Germany). The landraces Bugard, Gelber Badischer, and Schindelmeiser were maintained by KWS SAAT AG. The authors are grateful to Dr. T. Presterl from KWS SAAT AG for a fruitful collaboration. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: AEM JCR WS. Performed the experiments: AS WS. Analyzed the data: AS. Contributed reagents/materials/analysis tools: WS. Wrote the paper: AS JCR WS AEM.