Resultados de búsqueda - "Nigeria"

Mulch and irrigation effects on plant-water relations and performance of cassava and sweet potato por Ghuman, B.S., Lal, R.

“…TIS 2148 and TIS 2295 were investigated at Ibadan, Nigeria. Straw mulch @ 6 t/ha was spread immediately after planting of crops in September 1980. …”
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Cassava value chain development in West Africa: success stories por Sanni, Lateef O., Onadipe, O.O., Alenkhe, E.B., Ilona, Paul, Davis-Mussagy, M., Dixon, Alfred G.O.

“…The initiative of cassava value chain in West Africa has provided sustainable opportunity for transferring best bet agronomic, processing and marketing practices to less privileged small holder enterprises in Nigeria, Benin and Sierra Leone. This project which started 2008, sponsored by Common Fund for Commodities, supervised by FAO and implemented by IITA has been an avenue to improve key players of cassava enterprise in the selected countries to boost their output qualitatively and quantitatively. …”
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Solar drying technology: a pilot design in Benin Republic por Alenkhe, E.B., Onadipe, O.O., Sanni, Lateef O.

“…As part of solving this problem, the Cassava value chain development in West Africa - a project sponsored by the Common Fund for Commodities source information on existing solar drying systems in Nigeria, Ghana, Uganda, Cameroon, and Sierra Leone. …”
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Physiological and morphological changes associated with recurrent selection for low nitrogen tolerance in maize por Udo, E.F., Ajala, S.O., Olaniyan, A.B.

“…Six maize populations were evaluated in two locations in Nigeria under low-N (45 kg N ha−1) and high-N (90 kg N ha−1) conditions to identify morphological and physiological traits that changed in genotypes that had undergone recurrent selection for tolerance to low soil N and to determine the relationship between physiological and yield traits in both nitrogen environments. …”
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Evaluation of cowpea germplasm lines for protein and mineral concentrations in grains por Boukar, O., Massawe, F., Muranaka, S., Franco, J., Maziya-Dixon, B.B., Singh, B., Fatokun, C.A.

“…As a first step in the enhancement of mineral content in cowpea grains, several germplasm lines (1541) of different origins and obtained from the genetic resources unit at IITA were sown in the experimental field in Minjibir, Kano State, Nigeria. The grains were analysed for protein and nine mineral contents. …”
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Response of cowpea [Vigna unguiculata (L) Walp] to residual effect of different application rates of sheep manure on chilli pepper (Capsicum annuum) por Babaji, B.A., Yahaya, R.A., Mahadi, M.A., Jaliya, M.M., Ajeigbe, Hakeem A., Sharifai, A.I., Kura, H.N., Arunah, O.L., Ibrahim, A.

“…Field experiments were conducted in 2005 and 2006 rainy season at the Institute for Agricultural Research farm, Samaru, Nigeria, to test the response of four cowpea [Vigna unguiculata (L) Walp] varieties to residual effect of four rates of sheep manure (FYM) (0, 5, 10 and 15 t/ha) applied the previous season to chilli pepper [Capsicum annuum]. …”
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Performance of cowpea varieties under Striga gesnerioides (Willd.) Vatke infestation using biplot analysis por Omoigui, L.O., Kamara, A.Y., Ajeigbe, Hakeem A., Akinwale, R.O., Timko, M.P., Oyekunle, M., Bello, L.L.

“…A 3-year study was conducted at three locations in the dry savanna agro-ecology of Nigeria, where Striga gesnerioides is endemic. The primary objective of the study was to identify cowpea genotypes with high yield under Striga infestation and yield stability across test environments and to access suitability of the test environment. …”
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Chemical, pasting and sensory properties of tapioca grits from cassava mosaic diseaseresistant cassava varieties por Eke, J., Achinewhu, S.C., Sanni, Lateef O.

“…The study investigated the chemical, pasting and sensory properties of tapioca grits produced from wet starches from 39 different cassava varieties (36 varieties resistant to cassava mosaic disease [CMD] and three checks TMS 30572, 4(2) 1425 and 82/00058) planted in June 2004/2005 at the experimental farm of the International Institute of Tropical Agriculture, highrainfall Onne (Lat 4.4°N, Long 7.1°E, mean annual rainfall of 2,600 mm.), Rivers State, Nigeria. There were significant differences (P < 0.05) for chemical and functional properties of tapioca grits from different cassava varieties. …”
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Combining ability of maize inbred lines containing genes from Zea diploperennis for resistance to Striga hermonthica (Del.) Benth por Yallou, C.G., Menkir, A., Adetimirin, Victor O., Kling, J.G.

“…Forty-fivediallel crosses of 10 inbred lines were evaluated in an alpha-latticedesign with and without artificialStrigainfestation at two locationseach in the Republic of Benin and Nigeria for 3 years. Results ofanalyses showed that only general combining ability (GCA) meansquare was significant (P¼0.01) for number of emergedStrigaplants(NESPP), while both GCA and specific combining ability (SCA) meansquares were significant for host damage score (HDS) and grain yieldunderStrigainfestation. …”
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Influence of nitrogen fertilization on the performance of early and late maturing maize varieties under natural infestation with Striga hermonthica (Del.) Benth por Kamara, A.Y., Ekeleme, F., Omoigui, L.O., Menkir, A., Chikoye, David, Dugje, I.Y., Abdoulaye, Tahirou, Amaza, P.

“…Field studies were conducted in northeast Nigeria to evaluate the response ofearly and late-maturing maize varieties infested with natural populations ofStrigato different rates of nitrogen (N) fertilizer. …”
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Improvement of yield and other traits of extra early maize under stress and nonstress environments por Badu-Apraku, Baffour, Fakorede, M.A.B., Lum, A.F., Akinwale, R.

“…Two Striga-resistant extra-early populations, TZEE-W Pop STR C0 (white) and TZEE-Y Pop STR C0 (yellow) were evaluated in field trials in Nigeria, from 2005 to 2007 to assess progress in improvements for grain yield, Striga resistance, and other traits when Striga-free, Striga-infested, and under low- and high-N. …”
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Registration of Strigaresistant and Droughttolerant tropical early maize populations TZEW Pop DT STR C4 and TZEY Pop DT STR C4 por Badu-Apraku, Baffour, Yallou, C.G.

“…In multilocation trials in Benin Republic and Nigeria, 2006 and 2007, TZE-W Pop STR C4 outyielded the Striga-susceptible check TZE Comp. 4 by 44% under Striga infestation and 12% when noninfested. …”
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Planting date and cultivar effects on grain yield in dryland corn production por Kamara, A.Y., Ekeleme, F., Chikoye, David, Omoigui, L.O.

“…A study, to determine the performance of late (120 d), early (90 d), and extra-early maturing (80 d) corn cultivars over a range of planting dates, was performed in the Sudan savannas of northeast Nigeria. Delaying planting generally increased days to fl owering and the anthesis-silking interval (ASI) and reduced dry matter production and yield and yield components. …”
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Does crop-livestock integration lead to improved crop production in the savanna of West Africa? por Franke, A.C., Berkhout, Ezra D., Iwuafor, E.N.O., Nziguheba, Generose, Dercon, G., Vandeplas, I., Diels, J.

“…On-farm trials were conducted in northern Nigeria over a period of four years to assess the agronomic and economic performance of maize-legume systems with and without the integration of livestock (goats). …”
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Impediments to new improved maize variety testing and release in selected countries in sub-Saharan Africa por Setimela, P.S., Badu-Apraku, Baffour, Mwangi, W.

“…A survey was conducted on the varietaltesting and release systems in 14 selected countries (Angola, Benin, Ethiopia, Malawi, Ghana, Mali, Mozambique, Nigeria, Tanzania, Kenya, South Africa, Uganda, Zambia, and Zimbabwe) in SSA. …”
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Performance of tropical early maturing maize cultivars in multiple stress environments por Badu-Apraku, Baffour, Menkir, A., Ajala, S., Akinwale, R., Oyekunle, M., Obeng-Antwi, K.

“…Three studies were conducted from 2007 to 2009 at five locations in Nigeria to evaluate the performance of selected early-maturing cultivars under drought stress versus well-watered, Striga-infested versus Striga-free, and in low- versus high-N environments. …”
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Sustainable crop-livestock production for improved livelihoods and natural resource management in West Africa. Proceedings of an international conference por Williams, Timothy O., Tarawali, Shirley A., Hiernaux, Pierre H.Y., Fernández Rivera, S.

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Chemical composition and pasting properties of CMD resistant cassava clones planted at different locations por Sanni, Lateef O., Adebowale, A.A., Maziya-Dixon, B.B., Dixon, A.

“…The aim of the study was to investigate the chemical composition and pasting properties of 43 cassava mosaic desease (CMD) resistant clones planted at different locations (Ibadan, Onne and Mokwa) in Nigeria under rainfed conditions in 2003 and 2004. …”
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Field evaluation of improved cowpea lines for resistance to bacterial blight, virus and striga under natural infestation in the West African savannas por Ajeigbe, Hakeem A., Singh, B.B., Emechebe, A.M.

“…Twenty five cowpea lines including two local land-races were grown at three locations in the first year (2002) and at six locations in the second year (2003) in Nigeria and Niger for field screening for resistance to Bacterial blight. …”
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Field performance of improved cowpea varieties under conditions of natural infestation by the parasitic weed Striga gesnerioides por Kamara, A.Y., Chikoye, David, Ekeleme, F., Omoigui, L.O., Dugje, I.Y.

“…Field trials over 2 years in two localities in northeast Nigeria evaluated the performance of diverse cowpea varieties under conditions of natural infestation by Striga. …”
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