Dr. Khalid Rehman Hakeem (PhD) is an Associate Professor at King Abdulaziz University, Jeddah, Saudi Arabia. He has completed his Ph.D. (Botany) from Jamia Hamdard, New Delhi, India in 2011. Dr. Hakeem has worked as Post Doctorate Fellow in 2012 and Fellow Researcher (Associate Prof.) from 2013-2016 at Universiti Putra Malaysia, Selangor, Malaysia. His speciality is in Plant Eco-Physiology, Molecular biology, Plant-Microbe-soil interactions, Medicinal plant research and Environmental Sciences and so far has edited and authored more than 25 books with Springer International, Academic Press (Elsevier) etc. He has also to his credit more than 110 research publications in peer reviewed international journals, including 40 book chapters in edited volumes with international publishers. Dr Hakeem is the recipient of many national and international awards and fellowships. Prof. (Dr.) Münir Öztürk (PhD) has served at the Ege University Izmir, Turkey for 50 years in different positions. He has been elected as the “Vice President of the Islamic World Academy of Sciences”; has received the fellowships from Alexander von Humboldt, Japanese Society for Promotion of Science and National Science Foundation of USA. Dr. Ozturk has served as Chairman Botany Department and Founding Director Centre for Environmental Sudies, Ege University, Izmir, Turkey, as Consultant Fellow, Faculty of Forestry, Universiti Putra Malaysia, Malaysia and as Distinguished Visiting Scientist, ICCBS, Karachi University, Pakistan. His fields of scientific interest are Plant Eco-Physiology; Conservation of Plant Diversity; Biosaline Agriculture and Crops; Pollution, Biomonitoring, Medicinal and Aromatic Plants. He has published 40 books, 50 book chapters and 175 papers in journal with impact factor.