Resultados de búsqueda - "West Africa"

Distribution and diversity of viruses infecting yams (Dioscorea spp.) in Cameroon por Azeteh, I.N., Hanna, R., Njukeng, A.P., Oresanya, A.O., Sakwe, P.N., Kumar, P. Lava

“…Representative set of leaf samples collected from farmers’ fields were tested for three viruses known to cause yam mosaic disease in West Africa, viz., Yam mosaic virus (YMV), Yam mild mosaic virus (YMMV) and Cucumber mosaic virus (CMV), using multiplex RT-PCR. …”
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Maize–soybean intercropping effect on yield productivity, weed control and diversity in northern Ghana por Berdjour, A., Dugje, I.Y., Dzomeku, I.K., Abdul Rahman, Nurudeen

“…The results suggest that intercropping early maize maturity type with soybean at 10 cm intraspacing could be used to increase grain yield, LER and control of grass and broadleaf weeds in a maize‐based cropping system in the Guinea savanna zones of West Africa.…”
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Nutrient composition of Parkia biglobosa pulp, raw and fermented seeds: a systematic review por Termote, Céline, Odongo, Nicanor Obiero, Dreyer, Bettina Staeubli, Guissou, Bénédicte, Parkouda, Charles, Vinceti, Barbara

“…Parkia biglobosa is an important tree species that provides edible products and income to rural households in West Africa. To better understand intra-species nutrient variability of P. biglobosa edible products, a review on the nutrient content of its pulp and seeds (raw and fermented) was conducted. …”
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Genotyping-by-sequencing to unlock genetic diversity and population structure in white yam (dioscorea rotundata poir.) por Bhattacharjee, Ranjana, Agre, A.P., Bauchet, Guillaume J., Koeyer, D. de, López Montes, Antonio José, Kumar, P. Lava, Abberton, Michael T., Adebola, P.O., Asfaw, A., Asiedu, R.

“…White yam (Dioscorearotundata Poir.) is one of the most important tuber crops in West Africa, where it is indigenous and represents the largest repository of biodiversity through several years of domestication, production, consumption, and trade. …”
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Achievements and lessons learnt in promoting Climate-Smart Agriculture implementation in Ghana through Science-Policy dialogue platforms por Sam, Kingsley Odum, Botchway, Vincent Ansah, Karbo, Naaminong, Essegbey, George Owusu, Nutsukpo, Delali Kofi, Segnon, Alcade C, Zougmoré, Robert B.

“…The CGIAR Research Program on Climate Change, Agriculture and Food Security (CCAFS) in West Africa has since 2012 supported the creation of national multi-stakeholder platforms on climate-smart agriculture in Burkina Faso, Ghana, Mali, Niger and Senegal. …”
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Long‐term changes in population size and the age structure and sex ratio of waterbuck in a Sudanian savannah of Burkina Faso por Konate, S., Sirima, D., Ardjima, L., Sanou, Y., Hema, E.M., Kabre, B.G., Fa, J.E., Luiselli, L., Petrozzi, F.

“…Data on population numbers and structure are lacking for many parts of its range, especially in West Africa, where the subspecies defassa is found. …”
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Monitoring socioeconomic impacts of climate-smart agricultural practices at Doyogena and Basona Worena climate-smart landscapes, Ethiopia por Tesfaye, Abonesh, Nigussie, Abebe, Ambaw, Gebermedihin

“…In these sites, locally appropriate CSA practices are being tested and promoted by the European Union and International Fund for Agricultural Development (EU-IFAD) funded project "Building livelihoods and resilience to climate change in East & West Africa" that is supporting large-scale adoption of CSA technologies and practices. …”
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Global habitat suitability of Spodoptera frugiperda (JE Smith) (Lepidoptera, Noctuidae): key parasitoids considered for its biological control por Tepa-Yotto, Ghislain T., Tonnang, Henri E.Z., Goergen, Georg E., Subramanian, S., Kimathi, E.K., Abdel-Rahman, E.M., Flo, D., Thunes, K.H., Fiaboe, K., Niassy, S., Bruce, A., Mohamed, S.A., Tamo, Manuele, Ekesi, S., Saethre, M.G.

“…Model predictions showed particularly high establishment potential of the five hymenopteran parasitoids in areas that are heavily affected by FAW (like the coastal belt of West Africa from Côte d’Ivoire (Ivory Coast) to Nigeria, the Congo basin to Eastern Africa, Eastern, Southern and Southeastern Asia and some portions of Eastern Australia) and those of potential invasion risks (western & southern Europe). …”
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Sample preservation and plant sex prediction in white guinea yam (Dioscorea rotundata Poir.) por Agre, P., Nwachukwu, C., Olasanmi, B., Obidiegwu, J., Nwachukwu, E., Adebola, P.O., Koeyer, D. de, Asrat, A.

“…Introduction: Yam (Dioscorea spp.) is an economically important staple food in tropical regions, especially for people in West Africa. Understanding of the flowering behavior of the crop to determine potential manipulation available to accomplish crop improvement at early stage remain key challenge in the yam breeding. …”
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A Framework for Monitoring Ecosystems-Based Adaptation to Climate Change: Experience from The Gambia por Gilruth, P., Duguma, L.A., Minang, Peter A., Bah, A., Jaiteh, M.S., Mwangi, S., Ahmad, M.

“…Future research will be needed to understand the extent to which the environmental changes in The Gambia compared to changes across the Sahel and Sudano-Sahel regions of West Africa and whether the lessons learned from The Gambia could be extrapolated to the subregion.…”
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Spatial and temporal variation in yield of rainfed lowland rice in inland valley as affected by fertilizer application and bunding in North-West Benin por Worou, Omonlola N., Gaiser, T., Saito, Kazuki, Goldbach, H., Ewert, F.

“…Rainfed lowlands in inland valleys present a high potential for rice (Oryza spp.) production in West Africa. However, rice yield in the lowlands is, in general, low due to various constraints such as poor soil fertility, drought, iron (Fe) toxicity, and poor crop management practices. …”
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Identifying the problem weeds of rice-based systems along the inland-valley catena in the southern Guinea Savanna, Africa por Touré, A., Rodenburg, J., Marnotte, P., Dieng, I., Huat, J.

“…While weeds generally are considered as the most important overarching production constraints in inland-valley cropping systems in West Africa, little is known about species' associations with environmental and crop management factors. …”
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Quantifying environmental impacts of the Climate Smart Agricultural practices tested in two Ethiopian Woredas por Damerau, Kerstin

“…Aiming at adapting to locally varying environmental and socio-economic challenges and improving the sustainability and resilience of agricultural livelihoods, a set of locally appropriate climate-smart agriculture (CSA) practices have been tested by farmers on a voluntary basis between 2019 and 2021 in two Climate-Smart Landscapes as part of the IFAD-EU project “Building livelihoods and resilience to climate change in East & West Africa”. To address the dual challenges of environmental change and declining food security we aimed at assessing and quantifying environmental impacts of CSA practices tested in this project. …”
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Impact of Stepwise Climate-smart cocoa practices on beneficiary farmers-under CCAFS project in Ghana (Project endline) por Dalaa, Mustapha Alasan, Saeed, Abdul-Razak, Deffor, Eric Worlanyo, Kofituo, Rich Kofi, Asare, Richard

“…This report is an end-line study report of the International Institute of Tropical Agriculture (IITA) project titled “Climate Smart Cocoa and its influence on voluntary standards and Impact lending in West Africa”. The project in Ghana focused on introducing cocoa farmers to Climate-Smart Agriculture (CSA) practices using a “stepwise approach” which is termed “Stepwise Climate Smart Cocoa practices”. …”
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Mitochondrial DNA D-loop sequence analysis reveals high variation and multiple maternal origins of indigenous Tanzanian goat populations por Nguluma, A., Kyallo, Martina M., Mekuriaw, Getinet, Loina, R., Nziku, Z., Chenyambuga, S., Pelle, Roger

“…There was no sharing of haplotypes observed between individuals from Tanzanian goat populations with individuals from North or West Africa. The indigenous goats in Tanzania have high genetic diversity defined by 389 haplotypes and multiple maternal origins of haplogroup A, B, and G. …”
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Foresight as a mechanism for inclusion? Comparative analysis of gender and social inclusion within the CCAFS scenario-based policy formulation processes por Marty, Edwige

“…The following working paper takes stock of the successes and challenges in integrating gender and social inclusion considerations by reviewing 15 selected scenario-guided processes across Latin America, East and West Africa, South Asia and South-East Asia. The review combines reflective qualitative interviews with the scenarios team and content analysis of key output documents for each case. …”
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The role of climate forecasts in smallholder agriculture: Lessons from participatory research in two communities in Senegal por Roudier, P., Muller, B., D'Aquino, P., Roncoli, C., Soumaré, M.A., Batté, L., Sultan, B.

“…This article presents results from participatory research with farmers from two agro-ecological zones of Senegal, West Africa. Based on simulation exercises, the introduction of seasonal and dekadal forecasts induced changes in farmers’ practices in almost 75% of the cases. …”
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Host plants and associated trophobionts of the weaver ant Oecophylla longinoda Latreille (Hymenoptera Formicidae) in Benin por Vayssieres, J., Grechi, I., Sinzogan, A., Ouagoussounon, I., Todjihounde, R., Modjibou, S., Tossou, J.C., Adandonon, A., Kikissagbe, Cinthia, Tamò, Manuele, Goergen, Georg E., Chailleux, A., Germain, J., Adomou, A.

“…There is very little published literature on O. longinoda, their hosts plants and their associated trophobionts in West Africa. These tri-trophic interactions were studied over a period of four consecutive years (2010–2013) from south to north Benin. 3. …”
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Micropropagation and effect of phloroglucinol on rooting of Diospyros crassiflora Hiern por Tchouga, A.O., Deblauwe, V., Djabou, S.A.M., Forgione, G., Hanna, R., Niemenak, N.

“…The jet-black to streaked ebony wood produced by the African ebony (Diospyros crassiflora Hiern, Ebenaceae) is exploited in Central and West Africa. A conservation effort is currently underway in Cameroon to propagate the tree through seedlings and cuttings. …”
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A decision support tool for targeting inland valleys with high potential for agricultural development and biodiversity and ecosystem services preservation por Dossou-Yovo, Elliott Ronald, Akpoti, Komlavi

“…While Africa Rice Centre has deployed considerable efforts in characterizing inland valleys ecology in West Africa in recent years, there is still a need to develop actionable maps of inland valleys in terms of the geodatabase and their suitability for rice production in the region. …”
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