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Prof. Alphonsus Mbonu Oparaeke

Professor
Crop Science
oparaeke2009@unical.edu.ng

Oparaeke Alphonsus Mbonu is a professor of Agricultural Entomology in the Department of Crop Science, Faculty of Agriculture, Forestry and Wildlife Resources Management, University of Calabar, Calabar. He was the Chairman of Anti corruption and Transparency monitoring Unit (2006-2010) and currently the Head of Department (Crop Science)(2017 till date). He holds a Ph.D from Ahmodu Bello University (2004), M.Sc (ABU)(1996) and B.Sc (UNISOKOTO)(1985). He is a Fellow of the Entimotogical Society of Nigeria. His current research is on Biopesticides. He has successfully supervised four(4) Ph,Ds, twelve(12) M.Scs and many B.Sc and HNDs.

Oparaeke, A.M. and M.C. Dike (1996). Comparison of garlic and lemon grass products in the control of Callosobruchus maculatus Fab. (Coleoptera: Bruchidae) on stored cowpea grains Nigerian Journal of Entomology, 13: 73 – 80.


Dike, M. C. and A. M. Oparaeke (1997). The management of insect pests of Sesame in the Nigerian savanna. Nigerian Journal of Agricultural Extension 9 (1 and 2): 40 – 45.


Dike, M. C., A. M. Oparaeke and C. C. Chinaka (1998). Evaluation of the efficiency of three bagging methods in the control of Callosobruchus maculatus F. in stored cowpea. Nigerian Journal of Agricultural Extension 11(1 and 2): 110 – 116.


Oparaeke, A. M., M. C. Dike, C. I. Amatobi and W. Hammond. (2001). Preliminary study on clove, Syzigium aromaticum (Gaertn) Dunal (formerly Eugenia caryophyllata Thunb) (Myrtaceae) as a source of insecticide. Nigerian Journal of Agricultural Extension 13 (2): 178 – 181.


Oparaeke, A. M., Dike, M. C. and Onu, I. (2002). Control of Callosobruchus maculatus F. on stored cowpea with African curry, Ocimum gratissimum L. and African bush tea, Hyptis suaveolense Poit leaf powders. Nigerian Journal of Entomology 19: 99 – 108.


Oparaeke, A. M. and Y. E. Amodu (2003). The insecticidal efficacy of cashew products against Callosobruchus maculatus F. on stored cowpea. Samaru Journal of Agricultural Research 19: 135 – 140.


Oparaeke, A. M., M. C. Dike and C. I. Amatobi (2003). Cowdung: A home produced insecticide against post-flowering insect pests of cowpea. Samaru Journal of Agricultural Research 19: 121 – 125.


Oparaeke, A. M., M. C. Dike and C. I. Amatobi (2003). First Report of Plutella xylostella (Lepidoptera: Yponomeutidae) as a pest of stored cashew nut in Samaru, Zaria. Nigerian Journal of Entomology 20: 89 – 92.


Dike, M. C., Oparaeke, A. M. and Muhammadu, N. J. (2003). Integrated management of major insect pests of cowpea at Samaru, Nigeria. Nigerian Journal of Plant Protection 20: 87 – 92.


Ogunlana, M. O., Oparaeke, A. M. and Alegbejo, M. D. (2003). Screening of plant materials against flea beetles (Podagrica spp.) on okra (Hibiscus esculentus). The Plant Scientist (Nigeria) 3: 55 – 62.


Oparaeke, A. M. and Dike, M. C. (2005). Monodora myristica (Gaertn) Dunal (Myristicaceae) and Allium cepa L. (Liliaceae) as protectants against bruchid infesting stored cowpea grains. Nigerian Journal of Entomology, 22: 84 – 92.


Oparaeke, A. M. 2005. Studies on insecticidal potential of extracts of Gmelina arborea products for control of field pests of cowpea, Vigna unguiculata (L.) Walp – 2. The pod borer, Maruca vitrata and the coreid bug, Clavigralla tomentosicollis. Journal of Plant Protection Research 45 (1): 1 – 7. (Poland).


Oparaeke, A. M., Dike, M. C. and Amatobi, C. I. (2005). Field evaluation of five Nigerian spice for control of post-flowering insect pests of cowpea, Vigna unguiculata (L.) Walp. Plant Protection Science 41 (1): 14 – 20. (Czech Republic).


Oparaeke, A. M., Dike, M. C. and Amatobi, C. I. (2005). Evaluation of botanical extract mixtures for insect pests management on cowpea plants. Journal of Agriculture and Rural Development in the Tropics and Subtropics. 106 (1): 41 – 48, Kassel University Press, Seiten, Germany.


Oparaeke, A. M. and Daria, V. S. (2005). Toxicity of herbal powders to Callosobruchus maculatus Fab on stored cowpea grains. Nigerian Journal of Entomology, 22: 76 – 83.


Oparaeke, A. M., Dike, M. C. and Amatobi, C. I. (2005). Botanical pesticide mixtures for insect pest management on cowpea, Vigna unguiculata (L.) Walp plants – 2. The pod borer, Maruca vitrata Fab. (Lepidoptera: Pyralidae) and pod sucking bug, Clavigralla tomentosicollis Stal (Heteroptera: Coreidae). Agricultura Tropica et Subtropica, 38 (2): 33 – 37 (Czech Republic).


Oparaeke, A. M. (2005). Studies on insecticidal potential of extracts of Gmelina arborea L.products for insect pests control on cowpea – 1. The legume flower thrips, Megalurothrips sjostedti Tryb. Archives of Phytopathology and Plant Protection, Germany 39 (3): 209 - 214.


Oparaeke, A. M. (2006). Field screening of nine plant extracts for the control of post flowering insect pests of cowpea, Vigna unguiculata (L.) Walp. Archives of Phytopathology and Plant Protection, Germany 39 (3): 225 - 230.


Oparaeke, A. M. and Bunmi, O. J. (2006). Insecticidal potential of cashew, Anacardium occidentale L. for the control of the beetle, Callosobruchus subinnotatus (Pic.) (Coleoptera: Bruchidae) on bambarra groundnut, Voandzeia subterranea (L.) Verde. Archives of Phytopathology and Plant Protection, Germany 39 (4): 247 – 251.


Oparaeke, A. M., Dike, M. C. and Amatobi, C. I. (2006). Toxicity of crude extracts of Nigerian spices to post-flowering insect pests of cowpea – 1. The flower bud thrips, Megalurothrips sjostedti Trybom. Archives of Phytopathology and Plant Protection, Germany 39 (3): 231 - 237.


Oparaeke, A. M. Dike, M. C. and Amatobi, C. I. (2006). Insecticidal efficacy of SABRUKA formulations as protectants of cowpea, Vigna unguiculata (L.) Walp against post flowering insect pests. Journal of Entomology, 3 (2): 130 – 135 (Academic Journals Inc, USA)


Oparaeke, A. M. (2006). Bioactivity of aqueous extract mixtures of Nigerian plants for controlling the pod borer, Maruca vitrata Fab and pod sucking bug, Clavigralla tomentosicollis on cowpea, Vigna unguiculata (L.) Walp. Journal of Plant Sciences 1 (1): 49 – 55 (Academic Journals Inc, N.Y., USA).


Oparaeke, A. M. (2006). Bioefficacy of plant extract mixtures for the protection of cowpea flowers against Megalurothrips sjostedti Tryb. (Thysanoptera: Thripidae). Journal of Plant Sciences, 1 (1): 1 – 7 (Academic Journals Inc, New York, U.S.A).


Oparaeke, A. M. (2006). The potential for controlling Maruca vitrata Fab. and Clavigralla tomentosicollis Stal using different concentrations and spraying schedules of Syzigium aromaticum extracts on cowpea plants. Journal of Plant Sciences, 1 (2): 132 – 137 (Academic Journals Inc, New York, U.S.A.).


Oparaeke, A. M. (2006). Effect of aqueous extracts of tropical plants for management of Maruca vitrata Fab. and Clavigralla tomentosicollis Stal on cowpea, Vigna unguiculata (L.) Walp plants. Journal of Entomology 3 (1): 70 – 75 (Academic Journals Inc. New York, U.S.A).


Oparaeke, A. M. (2006). Biopotential of different rates and application schedules of Xylopia aethiopica (Dunal) A. Rich extracts for the control of Maruca vitrata and Clavigralla tomentosicollis Stal on cowpea. Journal of Plant Sciences, 1 (2): 126 – 131 (Academic Journals Inc, New York, U.S.A.).


Oparaeke, A. M. (2006). Pesticidal activity of three rates and spraying frequencies of extracts of Xylopia aethiopica (Dunal) A. Rich for reducing thrips, Megalurothrips sjostedti Tryb. infestation on cowpea flowers. Journal of Plant Sciences, 1 (2): 119 – 125 (Academic Journals Inc, New York, U.S.A.).


Oparaeke, A. M. (2004). Field activity of different rates and application schedules of neem, Azadirachta indica (A. Juss) seed extracts against Megalurothrips sjostedti Tryb. on cowpea, Vigna unguiculata (L.) Walp. Journal of Agriculture and Environment for International Development 98 (3 and 4): 223 – 233 (Italy).


Oparaeke, A. M., Dike, M. C. and Amatobi, C. I. (2006). Botanical pesticide mixtures for insect pests management on cowpea, Vigna unguiculata (L.) Walp plant – 1. The legume flower bud thrips, Megalurothrips sjostedti (Thysanoptera: Thripidae). Journal of Sustainable Agriculture (USA), 29 (1): 5 – 13.


Oparaeke, A. M. and Kuhiep, G. C. (2006). Toxicity of powders from indigenous plants against Sitophilus zeamais Motsch on stored maize. Journal of Entomology 3 (3): 216 – 221. (Academic Journals Inc, New York, U.S.A.).


Oparaeke, A. M. (2006). The sensitivity of flower bud thrips, Megalurothrips sjostedti Trybom (Thysanoptera: Thripidae), on cowpea to three concentrations and spraying schedules of Piper guineense Schum and Thonn extracts. Journal of Plant Protection Science, Prague, Czech Republic 42 (3): 106 – 111.


Oparaeke, A. M. Dike, M. C. and Amatobi, C. I. (2006). Field activity of three mixtures levels of plant extract formulations for the management of post flowering insect pests of cowpea, Vigna unguiculata (L.) Walp – 1. The flower thrips, Megalurothrips sjostedti Tryb. Journal of Sustainable Agriculture (USA) 28 (4) 45 – 54.


Oparaeke, A. M. and Bunmi, J. O. (2006). Bioactivity of two powdered spices [Piper guineense Thonn and Schum and Xylopia aethiopica (Dunal) A. Richard] as home made insecticides against Callosobruchus subinnotatus (Pic.) on stored Bambarra groundnut. Agricultura Tropica et SubTropica 39 (2): 133 – 136. Czechs Republic.


Oparaeke, A. M. (2007). Control of legume pod borer, Maruca vitrata Fab. and coreid bug, Clavigralla tomentosicollis Stal. on cowpea, Vigna unguiculata using different concentrations and spraying regimes of aqueous neem, Azadirachta indica (A. Juss) seed extracts. Acta Phytopathologica et Entomologica Hungarica 42 (1): 152 - 159.


Oparaeke, A. M., Dike M. C. and Amatobi C. I. (2007). Effect of crude extract mixtures of different plant species for the control of Megalurothrips sjostedti Tryb. and pod setting of cowpea plants. Archives of Phytopathology and Plant Protection, Germany, 40 (3): 201 - 206.


Oparaeke, A. M., Dike M. C. and Amatobi C. I. (2007). The potential for controlling Megalurothrips sjostedti Tryb. (Thysanoptera: Thripidae) on cowpea, Vigna unguiculata (L.) Walp using extracts of cashew, Anacardium occidentale L. products. Archives of Phytopathology and Plant Protection, Germany, 40 (4): 252 - 256.


Oparaeke, A. M., Dike M. C. and Amatobi C. I. (2007). Effect of application of different concentrations and appropriate schedules of aqueous garlic bulb extracts against Maruca vitrata F. and Clavigralla tomentosicollis Stal on cowpea. Archives of Phytopathology and Plant Protection, Germany, 40 (4): 246 – 251.


Oparaeke, A. M. (2007). Synergistic activity of plant extract mixtures against Maruca vitrata F. and Clavigralla tomentosicollis Stal on cowpea plants. Archives of Phytopathology and Plant Protection, Germany, 40 (4): 257 - 263.


Oparaeke, A. M., Dike, M. C. and Amatobi, C. I. (2007). Control of cultivated cowpea pests with mixtures of extracts from Piper guineense and other plants. Journal of Herbs, Spices and Medicinal Plants (USA). 13 (1): 93 - 102.


Oparaeke, A. M., Dike M. C. and Amatobi C. I. (2007). The potential for controlling Megalurothrips sjostedti Tryb. (Thysanoptera: Thripidae) on cowpea, Vigna unguiculata (L.) Walp using extracts of cashew, Anacardium occidentale L. products. Archives of Phytopathology and Plant Protection, 40 (4): 252 - 256. Taylor and Francis, Oxfordshire, UK.


Ofor, M. O., Ibeawuchi, I. I. and Oparaeke, A. M. (2009). Crop Protection Problems in the production of Maize and Guinea corn in the Northern Guinea Savanna of Nigeria and control measures. Nature and Science, pp. 8 – 14 (2009 Edition).


Ofor, M. O., Oparaeke, A. M. and Ibeawuchi, I. I. (2009). Indigenous Knowledge Systems for storage of yams in Nigeria: Problems and Prospects. Researcher. pp. 51 – 56 (2010 Edition).


Oparaeke, A. M., Ofor, M. O. and Ibeawuchi, I. I. (2010). Global food crisis and its implications in Nigeria. Journal of American Sciences 6 (5): 77 – 79, Marsland Press, USA.


Bawa, L.Y., Oparaeke, A.M., Bamaiyi, L.J. and Ainika, J.N. (2012). Evaluation of Vernonia amygdelina for the control of Tribolium confusum on stored pearl millet. World Journal of Engineering and Pure and Applied Sciences 2 (2): 69 – 73.


Bawa, L.Y., Oparaeke, A.M. and Ainika, J.N. (2012). Cowpea (Vigna unguiculata) Pest Control Methods in Storage and Recommended Practices for Efficiency: A review. Journal of Biology Agriculture and Healthcare 2 (2): 27 - 33


Ojiako, F.O.. Oparaeke, A.M., Adindu, O.C. and Ahuchaogu, C.E. (2012). Attractancy of maize solvent extracts to Sitophilus zeamais Motsch. (Coleoptera: Curculionidae). International Journal of Agriculture and Rural Development 15 (3): 1329 – 1334, Publishers SAAT-FUTO.


Magaji, B.T., Oparaeke, A.M. and Kwanashie, A.J. (2012). Problems and Challenges of different drying methods for agricultural produce in Nigeria. Asian Journal of Experimental Biology and Sciences 3(2): 272 – 277.


Ojiako, F.O., Oparaeke-Amadi, A.M., Echerobia, C.O. and Ogbueghu, K.O. (2013). Insect pests of Fluted Pumpkin (Telfairia occidentalis Hook. F.) and their control with neem seed extracts in Owerri West Area of Imo State, Nigeria. Nigerian Journal of Entomology 30: 150 – 159.


Jonah, E.J., Bamaiyi, L.J. and Oparaeke, A.M. (2015). Efficacy of Canarium schweinfurthii (Engl.) products for the control of Callosobruchus maculatus F. (Coleoptera: Bruchidae) on stored Cajanus cajan (L.) Millsp. NSUK Journal of Science and Technology 5(2): 60 – 64.


Usman, M.S., Bamaiyi, L.J., Oparaeke, A.M., Dike, M.C. and Bawa, L.Y. (2015). Susceptibility of stored quality protein maize varieties to Sitophilus zeamais Motsch. (Coleoptera: Curculionidae): Assessment of hardness and protein contents. FUTA Journal of Research in Sciences 1: 171 – 179.


Usman, M.S., Bamaiyi, L.J,. Oparaeke, A.M., Dike, M.C. and Adamu, R.S. (2016). Effect of Sitophilus zaemai Motsch (Coleoptera: Curculionidae) on Tryptophan content of stored quality protein maize varieties. Nigerian Journal of Entomology 32: 17 – 28.


Anugwom, U. D., Bamaiyi, L.J., Magaji, B.T., Oparaeke, A.M. and Arowora, K.A. (2017). Effect of different colours of light source on probe trap catch of cowpea beetle infesting stored cowpea. International Journal of Biological Sciences and Applications 4(6): 87 – 94.


Nwagwu, F.A., Osai, E.O., Oparaeke, A.M. and Udo, N.M. (2017). Weed suppression and performance of maize (Zea mays L.) under different mulch duration in Calabar, Nigeria.


Oparaeke, A. M., M. C. Dike and I. Onu. (1998). Evaluation of seed and leaf powders of neem, Azadirachta indica (A. Juss) and pirimiphos methyl for control of Callosobruchus maculatus F.in stored cowpea seeds. Entomological Society of Nigeria Occasional Publication (Eds. N. E. S. Lale, N. B. Molta, P. O. Donli, M. C. Dike and M. Aminu-Kano) 31: 237 – 242.


Oparaeke, A. M., M. C. Dike and Amatobi, C. I. (2000). Insecticidal potential of extracts of garlic, Allium sativum L. bulb and African nutmeg, Monodora myristica (Gaertn) Dunal seed for insect pests control on cowpea. Entomological Society of Nigeria Occasional Publication (Eds. M. C. Dike, O. Ajayi, S. O. Okunade, N. O. Okoronkwo and Abdul-Aziz, Abba) 32: 169 – 174.


Dike, M. C., A. M. Oparaeke, E. A. Egwurube, M. D. Alegbejo and C. I. Amatobi. (2001). Biosystematics Capacity and Interests of the Institute for Agricultural Research, Ahmadu Bello University, Zaria. Proceedings of First National Biosystematics Workshop held in I.A.R./A.B.U Zaria (Eds. M. C. Dike and M. D. Alegbejo). WAFRINET-Nigeria Publishers, p. 16 – 21.


Oparaeke, A. M. (2007). Chemical control of storage insect pest pests in commercial farms in Nigeria: Past, Present and Future. Proceedings of the National Conference on Prospects and Problems of Agricultural Development in the Northern States of Nigeria, Institute for Development Research (IDR) Ahmadu Bello University, Zaria.


Oparaeke, A. M. and Dike, M. C. (2007). Plant Protection Strategies for Commercial Farms in Nigeria: The Need for Effective Legislation, Monitoring and Enforcement of Chemical Standards in Nigeria. Proceedings of the National Conference on Prospects and Problems of Agricultural Development in the Northern States of Nigeria, Institute for Development Research, Ahmadu Bello University, Zaria.

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