1. Institute of Forest Sciences Chair of Ecosystem Physiology University of Freiburg Georges‐Köhler‐Allee 53/54 Freiburg 79110 Germany
2. Institute of Forest Sciences Chair of Tree Physiology University of Freiburg Georges‐Köhler‐Allee 53/54 Freiburg 79110 Germany
3. Institute for Molecular Plant Physiology and Biophysics University of Würzburg Würzburg 97070 Germany
4. Department of Plant Systems Biology University of Hohenheim Stuttgart 70593 Germany
5. College of Science King Saud University PO Box 2455 Riyadh 11451 Saudi Arabia