1. Department of Environmental Sciences, Kohat University of Science and Technology, Kohat, Pakistan
2. Department of Plant and Environmental Protection, National Agricultural Research Centre, Islamabad, Pakistan
3. Department of Botany, Kohat University of Science and Technology, Kohat, Pakistan
4. Department of Biology, University of Haripur, Haripur, Pakistan
5. Plant Physiology Program, Crop Sciences Institute, National Agricultural Research Centre, Islamabad, Pakistan