Oelmüller, Ralf, Institute of General Botany and Plant Physiology, Friedrich Schiller University, Jena, 159 Dornburger Street, Jena D 07743, Germany
Ogunniyan, D. J., Institute of Agricultural Research and Training, Obafemi Awolowo University, P.M.B. 5029, Moor Plantation, Ibadan, Nigeria (Nigeria)
Ogunruku, B. O., Institute of Agricultural Research and Training, Obafemi Awolowo University, P.M.B. 5029, Moor Plantation, Ibadan, Nigeria
Ojo, D.K., Department of Plant Breeding and Seed Technology, University of Agriculture, P.M.B. 2240, Abeokuta, Ogun State
Ojo, D.K., Department of Plant Breeding and Seed Technology, University of Agriculture, Abeokuta, Nigeria
Okolo, E.C., Plant Breeding Division, Nigerian Institute for Oil Palm Research (NIFOR), P.M.B 1030 300001, Benin City, Edo State, Nigeria
Okoye, Maxwell Nkachukwu, Plant Breeding Division, Nigerian Institute for Oil Palm Research (NIFOR), P.M.B 1030 300001, Benin City, Edo State, Nigeria
Okwuagwu, C.O., Plant Breeding Division, Nigerian Institute for Oil Palm Research (NIFOR), P.M.B 1030 300001, Benin City, Edo State, Nigeria
Olabode, O.S., Department of Agronomy, Ladoke Aknitola University of Technology (LAUTECH), P.M.B. 4000, Ogbomoso, Nigeria
Olakojo, O. O., Faculty of Agriculture, University of Ilorin, Nigeria
Olatunji, Tomi Lois, Medicinal Plants and Economic Development (MPED) Research Centre, University of Fort Hare, Alice Campus 5700, South Africa (South Africa)
Olawale, Jacob T., College of Education, Ila-Orangun, Osun State, 320002 Nigeria.
Olowokudejo, James Dele
Olowolafe, M. O., Institute of Agricultural Research and Training, Obafemi Awolowo University, P.M.B. 5029, Moor Plantation, Ibadan, Nigeria
Omoigui, L.O., Collegeof Agronomy, Department of Plant Breeding and Seed Science, University of Agriculture, Makurdi, Nigeria
Onunka, Cynthia Nneka, Faculty of Agriculture, University of Nigeria, Nsukka 410 002, Nigeria (Nigeria)
Oommen, Sunny K., College of Agriculture, Vellayani 695522, Thiruvananthapuram, Kerala
Opata, Patience Opata Ifeyinwa, Department of Agricultural Economics University of Nigeria, Nsukka (Nigeria)
Opoku-Ameyaw, Kwabena, Cocoa Research Institute of Ghana
Oppong, F.K., 1Cocoa Research Institute of Ghana, P.O. Box 8, New Tafo-Akim, Ghana
Orji, Vivian. O., Department of Crop Science, University of Nigeria, Nsukka, Nigeria (Nigeria)
Oroka, Frank Oke, Agricultural Science Unit, Department of Vocational Education, Delta State University, Abraka, Nigeria
Oseghale, Agatha Itohan, Department of Agricultural Economics and Farm Management, Federal University of Technology Minna, Niger State
Osei-Akoto, S., Crop Services Directorate, Ministry of Food and Agriculture, P. O. Box M37, Accra, Ghana
Ossom, Ekpo M., Crop Production Department, Faculty of Agriculture, University of Swaziland, Private Bag Luyengo, Luyengo M205, Swaziland

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