1. Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
2. Citrus Research Institute, Sargodha, Pakistan
3. Department of Botany, University of Sargodha, Pakistan
4. State Key Laboratory of Vegetation & Environmental Change, Institute of Botany IB-CAS Chinese Academy of Sciences, Beijing, China
5. Department of Chemistry, Government College University, Faisalabad, Pakistan