About the Authors

Anja Linstädter

anja.linstaedter@uni-koeln.de

Affiliations Range Ecology and Range Management Group, Botanical Institute, University of Cologne, Cologne, Germany, Institute of Crop Science and Resource Conservation, University of Bonn, Bonn, Germany

Jürgen Schellberg

Affiliation Institute of Crop Science and Resource Conservation, University of Bonn, Bonn, Germany

Katharina Brüser

Affiliation Institute of Crop Science and Resource Conservation, University of Bonn, Bonn, Germany

Cristian A. Moreno García

Affiliation Institute of Crop Science and Resource Conservation, University of Bonn, Bonn, Germany

Roelof J. Oomen

Affiliation Institute of Crop Science and Resource Conservation, University of Bonn, Bonn, Germany

Chris C. du Preez

Affiliation Department of Soil, Crop and Climate Sciences, University of the Free State, Bloemfontein, Republic of South Africa

Jan C. Ruppert

Affiliations Range Ecology and Range Management Group, Botanical Institute, University of Cologne, Cologne, Germany, Institute of Crop Science and Resource Conservation, University of Bonn, Bonn, Germany

Frank Ewert

Affiliation Institute of Crop Science and Resource Conservation, University of Bonn, Bonn, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AL FE JS. Performed the experiments: AL JS KB CAG RJO JCR. Analyzed the data: AL. Contributed reagents/materials/analysis tools: CCP. Wrote the paper: AL. Interpretation of results: AL JS.