1. Department of Botany, University of Agriculture, Faisalabad, Pakistan
2. College of Agronomy/Key Laboratory of Crop Physio-ecology and Tillage in Northwestern Loess Plateau, Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi, China
3. Department of Agronomy, University of Agriculture, Faisalabad, Pakistan
4. Department of Plant Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Seeb, Oman