Resultados de búsqueda - "Nigeria"

The challenge of industrialization of a nature-based solution that allows farmers to produce aflatoxin-safe crops in various African countries por Kaptoge, L., Ortega-Beltran, A., Atehnkeng, J., Konlambigue, M., Kamau, J.W., Bandyopadhyay, R.

“…Over 15 years ago, field tests in Nigeria using a manually manufactured biocontrol product showed promising results. …”
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Caractérisation de la diversité génétique des bactéries Xanthomonas phaseoli pv. manihotis et Xanthomonas cassavae en RD Congo por Luzolo Tulomba, A.

“…Les résultats montrent que LOMAMI6 se rapproche de souches isolées en Colombie, au Nigeria et en Ouganda, tandis que UPB008 est génétiquement distinct des autres génomes de Xanthomonas cassavae déjà publiés sur la base des données NCBI. …”
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Mechanism of yield compensation in some accession of cowpea grown at different plant densities and environments por Odesina, I.S.

“…This study, which was carried out in 2020, was aimed at investigating the mechanism of yield compensation in some accessions of cowpea in two savannah agro-ecologies at Minjibir and Shika in Northern Nigeria. The randomised complete block design in a split-plot arrangement in three replicates was used. …”
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Honey bee colony losses and causes during the active beekeeping season 2022/2023 in nine sub- Saharan African countries por Nganso, B.T., Ayalew, W., Wubie, A.J., Assefa, F., Belayhun, L., Ndungu, N.N., Toroitich, D., Otieno-Ayayo, Z.N., Wambua, M.B., Oyieyo, Y.O., Elie, N., Sikirou, R., Idrissou, S.B., Mwiza, W., Turner, S., Bobadoye, B.O., Fameni, S.T., Gaboe, S., Agbodzavu, M.K., Mafwila, P., Tasse Taboue, G.C., Emily, K., Henri, T.Z.E., Niassey, S., Fonkou, S.N., Pirk, C.W.W., Gray, A., Brodschneider, R., Soroker, V., Subramanian, S.

“…This study reports for the first-time managed honey bee colony loss rates and associated risk factors during the active beekeeping season 2022/2023 in nine Sub-Saharan African countries, namely Kenya, Ethiopia, Rwanda, Uganda, Benin, Liberia, Nigeria, Cameroon and Democratic Republic of the Congo. …”
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Effect of 6 years of continous cultivation by no-till or pudding systems on soil properties and rice yield of a clay soil por Lal, R.

“…Growing 11 consecutive crops of rice on an Aeric Tropaquent in southwestern Nigeria produced mean grain yields of 3.5 and 5.5 t ha−1 with no-till and 3.9 and 5.6 t ha−1 with puddling systems at 0 and 150 kg ha−1 N per crop, respectively. …”
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Gender attitudes in agriculture and positivity bias: A survey experiment in four countries in Sub-Saharan Africa por Ragasa, Catherine, Lambrecht, Isabel B., Ma, Ning, Cole, Steven, Ebrahim, Mohammed, Desta, Gizaw, Mersha, Abiro Tigabie, Mudereri, Bester, Kihiu, Evelyne, Kreye, Christine, Peter, Hellen

“…By analyzing data from 8,051 survey respondents across study sites in Democratic Republic of the Congo, Ethiopia, Nigeria, and Rwanda, our findings emphasize both commonalities and differences in gender attitudes across different contexts. …”
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Genome-wide association study identifies novel genes for plant architecture and yield traits in cassava (Manihot esculenta Crantz) por Olayinka, A.F., Dzidzienyo, D.K., Mbanjo, E., Offei, S., Tongoona, P.B., Danquah, E.Y., Egesi, C., Rabbi, I. Y.

“…Plant architecture, yield, and productivity-related traits were evaluated at three locations across two growing seasons in Nigeria. Following data filtering, 420 clones, 54,574 DArTSeq, and 2,527 DArTag single-nucleotide polymorphism (SNP) markers were used for genome-wide association studies (GWAS). …”
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Hygiene knowledge and practices in the Lagos wild meat value chain: Cultural influences, regulatory gaps, and infrastructure needs por Akpan, Samuel N., Cook, Elizabeth A.J., Langevelde, F. van, Hooft, P. van, Zimmerman, D.M., Buij, R., Hassell, James M., Masudi, Sherril P., Happi, C.T., Happi, A.N., Thomas, Lian F.

“…This study examines the hygiene practices, attitudes, perceptions, and knowledge of public health risks among actors in the Lagos (Nigeria) wild meat value chain, and its consequences for food safety. …”
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Farmer-herder relations and conflict management in agro-pastoral zone of Niger por Turner, M.D., Ayantunde, Augustine A., Patterson, E.D., Patterson, K.P.

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Grouping of early maturing quality protein maize inbreds based on SNP markers and combining ability under multiple environments por Badu-Apraku, Baffour, Annor, B., Oyekunle, M., Akinwale, R., Fakorede, M.A.B., Talabi, A.O., Akaogu, I.C., Melaku, G., Fasanmade, Y.

“…Ninety-one diallel crosses derived from 14 early maturing yellow-endosperm QPM inbreds were evaluated from 2010 to 2012 under Striga infested, drought, low-N and optimal environments in Nigeria. The objectives were to (i) examine the combining ability of the set of early yellow QPM inbreds, (ii) classify the inbreds into heterotic groups and identify the best testers (iii) compare the efficiencies of the heterotic grouping methods in classifying the inbreds and (iv) determine the grain yield and stability of the inbreds in hybrid combinations under the research environments. …”
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Genetic architecture of delayed senescence, biomass, and grain yield under drought stress in cowpea por Muchero, W., Roberts, P.A., Diop, N., Drabo, I., Cisse, N., Close, T.J., Muranaka, S., Boukar, O., Ehlers, J.D.

“…In this study we sought to identify QTLs in cowpea (Vigna unguiculata) consistent across experiments conducted in Burkina Faso, Nigeria, Senegal, and the United States of America under limited water conditions. …”
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Genetic analysis of grain yield and other traits of extraearly yellow maize inbreds and hybrid performance under contrasting environments por Badu-Apraku, Baffour, Oyekunle, M.

“…Two studies were conducted for 2 yr at 5 locations in Nigeria to determine the combining ability of seven extra-early yellow-grained inbreds, place them into heterotic groups, identify the best testers and superior single-cross hybrids when Striga-infested, and under drought stress at flowering and grain filling, in optimal conditions and across environments. …”
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Antioxidant activity and acetylcholinesterase inhibition of field and in vitro grown Musa L. species por Ayoola, I.O., Gueye, B., Sonibare, M.A., Abberton, Michael T.

“…The study evaluated and compared the acetylcholinesterase (AChE) inhibition and antioxidant activity of field and in vitro plant materials of nine accessions of Musa spp. consisting of Tropical Musa banana (TMb: TMb 106, TMb 145, TMb 8, TMb 82, TMb 55) and Tropical Musa plantain (TMp: TMp 116, TMp 24, TMp 36) from the International Institute of Tropical Agriculture and Musa sapientum (MS) from the University of Ibadan Botanical garden, Nigeria. Musa accessions were estimated onto Murashige and Skoog (MS) medium supplemented with 0.18 mg/L indole acetic acid (IAA) and 4.5 mg/L benzyl amino purine (BAP). …”
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Comparative performance of top-cross maize hybrids under managed drought stress and variable rainfed environments por Menkir, A., Crossa, J., Meseka, S.K., Bossey, B., Ado, S.G., Obeng-Antwi, K., Yallou, C., Coulibaly, N., Olaoye, G., Alidu, H.

“…Three independent trials consisting of top-cross hybrids involving drought tolerant parents and commercial hybrids were evaluated under manged drought stress (MDS) and well watered (WW) condition at Ikenne in Nigeria for 3 years during the dry season and across 30 stressful (SE) and 52 favourable (FE) rainfed environments in West Africa. …”
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Combining ability and heterosis of elite drought-tolerant maize inbred lines evaluated in diverse environments of lowland tropics por Adebayo, M.A., Menkir, A., Blay, E., Gracen, V., Danquah, E.Y.

“…The hybrids were evaluated together with four checks across six environments in the rainforest and savannah agro-ecologies of Nigeria between 2011 and 2012. The parental inbred lines were also evaluated in separate trial in each location. …”
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Effectiveness of cowpea and wild Vigna germplasm distribution and cost implication on their conservation efforts by IITA por Manyong, Victor M., Dumet, D., Ogundapo, A.T., Horna, D.

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Unleashing the power of cassava in Africa…are we there yet? por James, B.D., Bramel-Cox, P.J., Witte, E.R., Asiedu, Robert, Watson, D., Okechukwu, R.U.

“…The UPoCA project covers DR Congo, Ghana, Malawi, Mozambique, Nigeria, Sierra Leone, and Tanzania and draws on prior research results to increase on-farm cassava productivity and value adding processing for markets. …”
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Distribution and potential impact of cassava variety spread by UPoCA por Okechukwu, R.U., James, B., Ntawuruhunga, Pheneas, Mahungu, N.M., Boahen, S., Kanju, E., Osei-Sarfoh, A.

“…The multiplication sites and production farms help to speed up horizontal spread of the varieties to benefit populations within 79,500 km2 and 107,500 km2 buffer zones of original introductions in Ghana, Malawi, Mozambique, Nigeria, Sierra Leone, DR Congo and Tanzania in 2010 and 2011 respectively. …”
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An historical review of progress to control key cowpea biotic constraints in Burkina Faso por Dabiré, B.C., Tignegré, J.B., Ba, Malick N., Tamò, Manuele, Sanon, A., Ouédraogo, T.J., Neya, B.J., Muleba, N., Hammond, W., Coulibaly, O.

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Biological control: a major component for the longterm cowpea pest management strategy por Tamò, Manuele, Srinivasan, R., Dannou, E.A., Agboton, C., Datinon, B., Dabiré, C., Baoua, I., Ba, Malick N., Haruna, B., Pittendrigh, Barry Robert

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