Odo, Chidera V., Department of Plant Science and Biotechnology, University of Nigeria Nsukka (Nigeria)
Ofori, Ruth A., University for Development Studies (Ghana)
Ogwudire, Vincent E., FEDERAL UNIVERSITY OF TECHNOLOGY OWERRI, (FUTO) IMO STATE. NIGERIA (Nigeria)
Ojaghian, Seyedmohammadreza, 1. Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City, Vietnam. 2. Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam. (Viet Nam)
Ojua, Eugene O., Department of Plant Science and Biotechnology, University of Nigeria Nsukka (Nigeria)
Okanwu, Joy O., Department of Plant Science and Biotechnology, University of Nigeria Nsukka (Nigeria)
Okeke, Chinenye M., Department of Plant Science and Biotechnology, University of Nigeria Nsukka (Nigeria)
Okon, Michael A., Department of Soil Science and Technology, Federal University of Technology, PMB 1520, Owerri, Nigeria. (Nigeria)
Okoro, Augusta, University of Nigeria (Nigeria)
Onaebi, Chiemeka, University of Nigeria (Nigeria)
Onaebi, Chiemeka N., Department of Plant Science and Biotechnology, University of Nigeria Nsukka (Nigeria)
Orbani, Rosa H.
Osayi, Emmanuel E., Department of Plant Science and Biotechnology, University of Nigeria Nsukka (Nigeria)
Oussou, Ghislain F.G.N., Laboratory of Crop Protection, Center of Agricultural Research of Agonkanmey (CRA-Agonkanmey), National Institute of Agricultural Research of Benin (INRAB), Benin. (Benin)
Oyediran, Ololade T., Department of Plant Science and Biotechnology, University of Nigeria Nsukka (Nigeria)