ABOUT THE EDITORS PARVAIZ AHMAD, Department of Botany and Microbiology, King Saud University, Riyadh, Saudi Arabia, and Department of Botany, S. P. College, Srinagar, Jammu and Kashmir, India. MOHAMMAD ABASS AHANGER, College of Life Science, NorthWest A & F University, Yangling Shaanxi, China. MOHAMMED NASSER ALYEMENI, Department of Botany and Microbiology, King Saud University, Riyadh, Saudi Arabia. PRAVEJ ALAM, Department of Biology, Prince Sattam bin Abdul Aziz University, Alkharaj, Riyadh, Saudi Arabia.