About the Authors

Carolina Bernhardsson

carolina.bernhardsson@emg.umu.se

Affiliation Umeå Plant Science Centre, Department of Ecology and Environmental Science, Umeå, Sweden

Pär K. Ingvarsson

Affiliation Umeå Plant Science Centre, Department of Ecology and Environmental Science, Umeå, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CB PKI. Performed the experiments: CB. Analyzed the data: CB PKI. Contributed reagents/materials/analysis tools: CB PKI. Wrote the paper: CB PKI.