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Breeding maize for striga tolerance and the development of a field infestation technique por Kim, S.K.

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Host plant resistance of cassava green spider mite (CGM) (Mononychellus tanajoa Bondar) at IITA por Kanno, H., Dixon, A., Asiedu, Robert, Hahn, S.K.

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The potential of neem, Azadirachta indica A. Juss., for controlling postflowering pests of cowpea, Vigna unguiculata Walp. Maruca testulalis, the pod borer por Jackai, L.E.N., Oyediran, I.O.

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Laboratory and screenhouse assays for evaluating cowpea resistance to the legume pod borer por Jackai, L.E.N.

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Some analytical aspects of cassava/maize/okra/egusimelon complex mixture: 1. Soli temperature in relation to leaf area variation por Ikeorgu, J.E.G., Ezumah, H.C.

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Tillage systems for the West African semiarid tropics por Hulugalle, N.R., Maurya, P.R.

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Effect of cassavabased cropping systems on physicochemical properties of soil and earthworm casts in a tropical Alfisol por Hulugalle, N.R., Ezuma, H.C.

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Biological control of cassava pests in Africa por Herren, H.R., Neuenschwander, Peter

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Seed populations of Striga species in Nigeria por Hartman, G.L., Tanimonure, O.A.

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The chemical properties of acid soils with emphasis on soils of the humid tropics por Gillman, G.P.

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Cowpea striga problems and research in Nigeria por Emechebe, A.M., Singh, B.B., Leleji, O.I., Atokple, I.D.K, Adu, J.K.

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Methods of onfarm, diagnostic research on adoption potential of alley cropping por Dvořék, K.A.

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Aerial release of acarine biological control agents on carrier materials por Drukker, B., Yaninek, John S., Coles, R.N., Herren, H.R.

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Complementarity of genes for resistance to greenbug [Schizaphis graminum (Rondani)], biotype E, in sorghum [Sorghum bicolor (L.) Moench] por Dixon, Alfred G.O., Bramel-Cox, P.J., Harvet, T.L.

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Yield losses in soybeans from frogeye leaf spot caused by Cercospora sojina por Dashiell, Kenton E., Akem, C.N.

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Framework for orientation of Striga research at IITA por Cardwell, K.F., Smith, J., Weber, G., Awad, A.

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Resistance of tropical maize inbreds to major virus and viruslike diseases por Brewbaker, J.L., Kim, S.K., Logrono, M.L.

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Effect of stem borer Eldana saccharina (Lepidoptera: Pyralidae) on the yield of maize por Bosque Pérez, N.A., Mareck, J.H.

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On-farm research in theory and practice: proceedings of a workshop on design and analysis of onfarm trials 27 February to 3 March 1989 por Mutsaers, H.J.W., Walker, P.

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Fertilizer management strategies for legume based croping systems in the West African semiarid tropics por Bartiono, A., Ndunguru, B.J., Ntare, B.R., Christianson, C.B., Mokwunye, A.U.

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