1: Cookey, C.O., Agu, C.M., Onyishi, G.C., (2015).Efficacy of some botanicals in the control of root-knot nematode disease of cowpea (Vigna unguiculata).Journal of global biosciences. Vol .4(4):1966-1970.
2: Cookey, C.O., Agu, C.M., Uwaga, E.C., Keyagha, R. E. and Ogwudire, V.E (2016). Effect of plastic mulch colour and cucumber cultivars (Cucumis sativus) on root-gall nematode (Meloidogyne spp) infection in a Nigeria Ultisol. Journal of global biosciences. Vol .5(5):4149-4157.
3: Onyishi, G. C., Agu, C. M., Nwachukwu, C. G. and Cookey, C. O. (2017).Seasonal effect of controlled hand-pollinated maize accessions on the growth and grain yield in Rain Forest Agro-Ecology of Nigeria. Int’l Journal of Agric. and Rural Dev. Volume 20(1): 2899-2904.
4: Cookey, C. O, Agu, C.M, Nwufo, M.I, Ofor, M.O and Ogwudire, V.E (2018). Root-gall Nematode Disease of Cowpea (Vigna unguiculata) as Affected by Different Intercrop- Mixtures. FUTO Journal Series 4 (1) : 36- 44. e-ISSN: 2476-8456.
5: Cookey, C .O.; Dialoke, S. A.; Keyagha, E. R.; Bosah, B.O. and Ogbedeh, K. O. (2019). Synergistic Effect of Poultry Manure and Some Botanicals on Cowpea Root-Gall Nematode Infection in a Naturally Infested Soil of Owerri, Imo State. Canadian Journal of Agriculture and Crops. Vol. 4 (1) 17-25. E-ISSN 2518-6655.
6:Dialoke, S.A.; Emosairue, S..;O Akparobi, S. O.; Cookey, C.O.; Keyagha, E.R.; Ogwudire, V.E (2019) Impact of rates and frequency of Formulated neem seed oil (F-NSO) on Riptortus dentipes Fab. Hemiptera: Coreidae damage of improved pigeonpea in Owerri, rainforest Zone, of Southeastern, Nigeria. International Journal of Entomology Research. Vol. 4(2) 53-58. ISSN: 2455-4758
7: Cookey, C. O, Agu, C.M, Ofor, M.O., Ihejirika, G.O., Dialoke, S.A and Ogbedeh, K.O. (2021).Effect of Planting Month on Root gall nematode (Meloidogyne incognita) Disease, Growth and Yield of cowpea (Vigna unguiculata). FUTO Journal Series. Volume 7(2): 1- 16. E-ISSN: 2476-8456