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Brief mention of research into the infestation of cowpeas by Striga gesnerioides conducted by staff of the Botany Department of the University of Nigeria at Nsukka is followed by more extensive discussion of work on this host-parasite relationship conducted at the Institute of Agricultural Resear...


Emechebe, A.M.Singh, B.B.Leleji, O.I.Atokple, I.D.KAdu, J.K.[Cowpea striga problems and research in Nigeria]Cowpea striga problems and research in Nigeria
Autor: Gillman, G.P.

This paper does not present an exhaustive review of the properties of acid soils. Rather, emphasis is placed on three topics, viz. soil pH, exchange properties, and sulfate sorption, with bias towards the author’s experience with soils from the world humid tropical region. The discussion on pH an...


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

Farming systems research (FSR) at Gandajika, Zaire, is conducted by the national Legume Program (Programme National Legumineuses-PNL), which is part of the Applied Research and Extension Project (Projet de Recherche Agronomique Appliquee et Vulgarisation-RAV) of the department of Agriculture of Z...


Shannon, D.A.Kubeng, M.Mpoy, M.C.[Issues in onfarm experimentation at Gandajika, Zaire]Issues in onfarm experimentation at Gandajika, Zaire
Rossel, H.W.Thottappilly, G.Ng, S.Y.C.Hartman, G.[Quarantine aspects of the international transfer of genetic resources from the International Institute of Tropical Agriculture]Quarantine aspects of the international transfer of genetic resources from the International Institute of Tropical Agriculture
Poku, J.Baker, D.[Maize response to fertilizer in the Center Province, Cameroon: a methodological case study]Maize response to fertilizer in the Center Province, Cameroon: a methodological case study

Many virus diseases of plants and probably all diseases caused by mycoplasma-like organisms (MLOs) are transmitted by insect vectors. In this review the vector insect groups of viruses and MLOs on tropical food legumes are discussed. An overview is given quoting examples of the relations between ...


Thottappilly, G.Rossel, H.W.Reddy, D.V.R.Morales, F.J.Green, S.K.Makkouk, K.M.[Vectors of virus and mycoplasma diseases: an overview]Vectors of virus and mycoplasma diseases: an overview
Alfarra, A.Turton, A.Coates, D.Connor, R.Souza, M.deUnver, O.Payne, J.McCartney, Matthew P.Sonneveld, B.Welling, R.Fedotova, T.Tsegai, D.[NBS [Nature-based solutions] for managing water availability]NBS [Nature-based solutions] for managing water availability

Most commercial Brachiaria species are adapted to low-fertility acid soils of the tropics. We describe, with examples, some of the attributes that enable them to adapt. These include the ability to (1) maintain root growth at the expense of shoot growth; (2) acquire and use both nitrate and ammon...


Rao, Idupulapati M.Kerridge, Peter C.Macedo, Manuel Cláudio Motta[Nutritional requirements of Brachiaria and adaptation to acid soils]Nutritional requirements of Brachiaria and adaptation to acid soils

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