Search Results - "Nigeria"

Effect of migration and mating status of the legume pod borer, Maruca vitrata (Fabricius) (Lepidoptera: Crambidae) on the efficacy of synthetic sex pheromone traps in West Africa by Adati, T., Tamò, Manuele, Koji, S., Downham, M.C.A.

“…However, the same pheromone lures caught very few moths in areas north of latitude 9° N in Benin, Nigeria, and Niger, despite the fact that there were a large number of catches in light trap collections. …”
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Does the spillage of petroleum products in Anopheles breeding sites have an impact on the pyrethroid resistance? by Djouaka, R.F., Bakare, A.A., Bankole, H.S., Doannio, J.M.C., Coulibaly, O.N., Kossou, H., Tamo, Manuele, Basene, H.I., Popoola, K..K., Akogbeto, M.C.

“…Methods Anopheles breeding sites were identified and the insecticide susceptibility of the Anopheles gambiae populations mapped in 15 localities of South Western Nigeria. The presence of oil particles as well as the turbidity, the dissolved oxygen and the pH of each identified breeding site was recorded. …”
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Recent genetic studies in cowpea by Singh, B.B.

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Fitting soilimproving legumes into inland valley ricebased cropping systems in West Africa by Carsky, R.J., Ajayi, E.O.

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Representativeness of farmers and sites in onfarm trials by Smith, J., Walker, P., Oyewole, B.

“…This is illustrated with data from on-farm trials in Southwest Nigeria. The interpretation of data in situations where bias exists is discussed, and procedures which may reduce bias in future trials are presented.…”
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Decomposition of Carbon14 labelled ryegrass and maize under tropical conditions by Ayanaba, A., Jenkinson, D.S.

“…This work is an extension of earlier studies on the rate of decay of plant material in the forest zone of Nigeria. Maize (Zea mays L.) leaves, uniformly labeled with 14C, were allowed to decompose for 2 yr under field conditions in an Alfisol (pH 7.0) or an Ultisol (pH 4.7). …”
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The role of tissue culture in the establishment of disease free germplasm for international distribution by Ng, S.Y.C., Rossel, H.W., Thottappilly, G.

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Annual report 2019: CGIAR Research Program on Policies, Institutions, and Markets by CGIAR Research Program on Policies, Institutions, and Markets

“…PIM contributed to investment plans and policies in Afghanistan, Ghana, Kenya, Nigeria, Pakistan, the Philippines and Rwanda; scaling up of digital advisory services in Ethiopia and of payments for agrobiodiversity conservation in Peru; biotechnology advances in Nigeria; renewal of community forest concessions in Guatemala; and improved rangeland governance in Ethiopia and Tanzania. …”
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POSHAN’s abstract digest on maternal and child nutrition research – Issue 7 by Avula, Rasmi

“…Largest gains in terms of consumer and producers surplus are in Nigeria, Zimbabwe and Malawi. However, in terms of production gains and poverty reduction, the countries gaining most are Nigeria, Kenya and Malawi (in terms of production); and Zimbabwe, Malawi and Kenya (number of people out of poverty). …”
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Human milk: an invisible food resource by Hatløy, Anne, Oshaug, Arne

“…National annual median production is estimated to be between 144,000 (Mali) and 1.3 million metric tons (Nigeria), and production per capita between 8 (Zimbabwe) and 15 kilograms per year (Mali). …”
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Improving the in-situ stem support system for yams by Wilson, G.F., Akapa, K.

“…A support system based on the in situ stems from bush fallow was developed in Nigeria. The yield of yams was lower with in situ stems at 1.5 X 1.0 m spacings than with conventional staking at 1.0 X 1.0 m spacings but yields were similar when both support systems were at 1.5 X 1.0 m spacings. …”
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The challenges and pathways to mainstreaming gender in Nigerian’s water sector governance by Appiah, Sarah, Osei-Amponsah, Charity, Sanchez Ramirez, Juan Carlos, Andam, Kwaw S.

“…Water scarcity in Nigeria exacerbated by population growth and climate change disproportionately affects women, girls, and other marginalized groups. …”
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Cowpea haulms as fodder by Tarawali, Shirley A., Singh, B., Peters, M., Blade, S.

“…Trials were conducted in northern Nigeria to monitor yields in (1) cropping systems trials planted in the rainy season at Kano (Sudan savanna) and (2) dry season evaluation (including fodder quality) at Kano and Kurmin Biri (northern Guinea savanna), where the fodder potential of Cowpea was compared with selected forages. …”
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Distribution of cyanogenic potential in the cassava germplasm by Bokanga, M.

“…The cyanogenic potential of a large number of cassava varieties found in Nigeria, in Cameroon and in the cassava breeding program of the International Institute of Tropical Agriculture, Ibadan, Nigeria has been determined. …”
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Breeding of root and tuber crops by Hahn, S.K., Howland, A.K., Wilson, J.E.

“…The constraint to the production of the root and tuber crops, cassava, yams and sweet potato in Nigeria and Africa were stated. Breeding methods most appropriate to these crops were discussed in terms of mating systems, creation of source populations, selection, and use of selections. …”
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Control of sorghum downy mildew of maize and sorghum in Africa by Bock, C.H., Jeger, M.J., Cardwell, K.F., Mughogho, L.K., Sherington, J.

“…The effect on yield was less clear. In Nigeria, severe stem borer damage in some plots prevented definitive yield assessment in response to fungicide. …”
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Research on cowpea striga resistance at IITA by Aggarwal, V.

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IITA Community Resources Centre Newsletter by International Institute of Tropical Agriculture

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Blending science and development in the IITA agenda for subsaharan Africa by Ortíz, R.

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Season's Greetings by International Institute of Tropical Agriculture

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