About the Authors

Susanna Saari

susanna.saari@mtt.fi

Affiliations Plant Production Research, MTT Agrifood Research Finland, Jokioinen, Finland, Department of Biology, University of Turku, Turku, Finland

Janne Sundell

Affiliations Department of Biological and Environmental Science, Konnevesi Research Station, University of Jyväskylä, Konnevesi, Finland, Lammi Biological Station, University of Helsinki, Lammi, Finland

Otso Huitu

Affiliation Suonenjoki Research Unit, Finnish Forest Research Institute, Suonenjoki, Finland

Marjo Helander

Affiliation Department of Biology, University of Turku, Turku, Finland

Elise Ketoja

Affiliation Services Unit, MTT Agrifood Research Finland, Jokioinen, Finland

Hannu Ylönen

Affiliation Department of Biological and Environmental Science, Konnevesi Research Station, University of Jyväskylä, Konnevesi, Finland

Kari Saikkonen

Affiliation Plant Production Research, MTT Agrifood Research Finland, Jokioinen, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SS JS OH MH HY KS. Performed the experiments: SS JS. Analyzed the data: EK. Contributed reagents/materials/analysis tools: SS JS HY. Wrote the paper: SS JS OH MH HY KS.