1. Department of Horticulture & Crop Production School of Agriculture and Technology University of Energy and Natural Resources PO Box 214 Sunyani Ghana
2. Humboldt‐Universität zu Berlin Division Urban Plant Ecophysiology Faculty of Life Sciences Lentzeallee 55/57 14195 Berlin Germany
3. Department of Forest Science School of Natural Resources University of Energy and Natural Resources PO Box 214 Sunyani Ghana
4. Biologische Beratung GmbH Berlin Germany