Resultados de búsqueda - Ibadi~

Marker based enrichment of provitamin A content in two tropical maize synthetics por Kebede, D., Mengesha Abera, W., Menkir, A., Abe, A., Garcia-Oliveira, A.L., Gedil, Melaku A

“…The two populations, known as HGA and HGB, and their advanced selection cycles (C1 and C2) were evaluated at Ibadan in Nigeria. Selection increased the concentrations of β-carotene, PVA and total carotenoids across cycles in HGA, while in HGB only α-carotene increased with advances in selection cycle. β-cryptoxanthine increased at C1 but decreased at C2 in HGB. …”
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Landscape complexity and functional groups moderate the effect of diversified farming on biodiversity: A global meta-analysis por Sánchez, Andrea C., Jones, Sarah K., Purvis, Andy, Estrada-Carmona, Natalia, Palma, Adriana de

“…Homogenisation and intensification of agricultural ecosystems are among the most important threats to biodi versity, linked to declines in pollinators, soil biota and ecosystem functioning. …”
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Seroepidemiology of peste des petits ruminants virus in small ruminants in selected districts in Northwest Ethiopia por Abesha, H., Teshome, Y., Alemu, Y.F., Dejene, H., Tarekegn, Z.S., Assefa, Ayalew

“…If an animal was from the Dangur district, it had 2.6 times higher chance of being positive than in the Dibati district (OR = 2.6, p = 0.01 and 95% CI = 1.2– 5.6). …”
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Serological and RT‑PCR evaluation of African yam bean (Sphenostylis stenocarpa (Hochst ex. A. Rich) Harms) accessions to viral resistance under field condition por Jeffrey, I., Kehinde, I., Ayo-John, E., Bankole, P., Abberton, M., Kumar, P.L., Adegboyega, T., Oyatomi, O.

“…The AYB accessions were planted using a randomized complete block design on the experimental field at the International Institute of Tropical Agriculture (IITA) Ibadan, Nigeria. Viral disease severity was assessed at 10, 12, 14, 16 and 18 weeks after planting (WAP) based on disease symptoms using disease severity index on visual scale of 1--5. …”
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Genome-wide association studies of photosynthetic and agronomic traits in cowpea collection por Sansa, O., Abberton, M.T., Ariyo, J., Paliwal, R., Ige, A., Dieng, I., Ayo-Vaughan, M., Olowe, V.I., Oyatomi, O.

“…One hundred and twelve cowpea accessions from IITA were phenotyped for agronomic and photosynthetic traits across 3 locations in 2 years: Ibadan, Ikenne (2020 and 2021), and Kano (2021 and 2022). …”
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Variations in root and foliage yields and quality among green mite-resistant cassava clones por Larbi, Asamoah, Dixon, Alfred G.O., Smith, Jimmy W., Yusuf, A.T.

“…The objective of this study was to determine variations in root and foliage yields, crude protein (CP), and dry matter (DM) degradation characteristics of foliage among 25 cassava clones selected for green mite resistance at Ibadan, south-western Nigeria. Clones were sampled 12 months after planting during the 1994-95 and 1995-96 growing seasons to determine root and foliage yields. …”
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Chemical composition, rumen degradation, and gas production characteristics of some multipurpose fodder trees and shrubs during wet and dry seasons in the humid tropics por Larbi, Asamoah, Smith, Jimmy W., Kurdi, I.O., Adekunle, I.O., Raji, A.M., Ladipo, D.O.

“…The experiment was conducted in Ibadan, southestern Nigeria during the main-wet (April-August) and dry (December-March) seasons. …”
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A climate-smart agriculture alliance and framework for West Africa por CGIAR Research Program on Climate Change, Agriculture and Food Security

“…CCAFS produced a paper on the Scientific, Political and Financial Landscape of Climate-Smart Agriculture in West Africa, with inputs from scientists at the International Water Management Institute (IWMI), International Food Policy Research Institute (IFPRI), International Livestock Research Institute (ILRI), World Agroforestry Centre (ICRAF), International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), West and Central African Council for Agricultural Research and Development (CORAF), and Ibadan University. This paper was used as the background document of the high-level forum to develop climate-smart agriculture, where the Alliance and CSA implementation framework was announced. …”
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Four Seasons of Learning and Engaging Smallholder Farmers: Progress of Phase 1. por Abate, Tsedeke

“…Progress made during this period was reviewed in 2011 at regional meetings held in ICRISAT-Patancheru, India (May 9-11 and Sept 5-6); Ibadan, Nigeria (16-18 May); and Lilongwe, Malawi (22-25 May). …”
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Influence of different fallow management systems on stability of soil aggregates in southern Nigeria por Salako, F., Hauser, S.

“…Aggregate stability was measured in natural regrowth, and planted fallows of Pueraria phaseoloides Benth. and Leucaena leucocephala Lam de Wit in a trial established in 1989 on an Alfisol at Ibadan (7°30′N, 3°54′E), southwestern Nigeria. Soil samples (0–30 cm depth at this instance) were wetted by immersion for 2 and 10 minutes before wet-sieving at 30 rpm for 5 to 35 minutes at 5 minute increments. …”
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Residual β-carotene and cyanide levels in gari produced from unfermented yellow cassava (Manihot esculenta Crantz) using local processing method por Osagie, V.E., Onimawo, I.A., Alamu, Emmanuel Oladeji

“…Place of Study: Department of Biochemistry, Ambrose Alli University Ekpoma and International Institute for Tropical Agriculture Ibadan. Methodology: High performance liquid Chromatography (HPLC) was used to determine the level of β-carotene in gari produced from fermented and unfermented yellow cassava while the cyanide level was determined by an automated Enzymic method. …”
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Morphological and molecular assessment of genetic diversity in some yam (dioscorea species) landreaces por Alarape, S.A.

“…This study assesses the morphological and molecular characterisation of the newly collected yam landraces for genetic diversity.One hundred accessions, comprising Dioscorea rotundata (83), Dioscorea abyssinica (16) and Dioscorea cayenensis (1) sourced from Benin Republic were planted in a Randomized Complete Block Design replicated twice, in Ibadan during the 2018 cropping season. Data were recorded on quantitative and qualitative traits and were subjected to Principal Component Analysis (PCA), Cluster Analysis (CA), and a total of 13,338 DArTseq-SNP markers were used to reveal the pattern of genetic diversity within the accessions. …”
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Influence of traditional processing and genotypes on the antioxidant and antihyperglycaemic activities of yellow-fleshed cassava por Kareem, B., Irondi, E.A., Alamu, Emmanuel Oladeji, Ajani, E.O., Abass, A., Adesokan, Michael, Parkes, Elizabeth Y., Maziya-Dixon, Busie

“…The ABTS•+ and DPPH• scavenging capacities and the reducing power of the products also differed significantly (p < 0.05), such that the lafun from IITA-TMS-IBA182962, IITA-TMS-IBA070337 and IITA-TMS-IBA070337 had the strongest ABTS•+ and DPPH• scavenging capacities, and reducing power, respectively. …”
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Gender, Tenure Security and Landscape Governance. Synthesis of Studies from PIM’s Governance of Natural Resources Flagship Program, 2013-2020 por Kristjanson, Patricia M.

“…A substantial body of research on these important issues comes from a research theme of the CGIAR Research Program on Policies, Institutions, and Markets (PIM) that focused on the governance of natural resources (Flagship 5, or PIM5). …”
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The E-FooD Dataset and Food Security Simulators for Kenya and Nigeria: Innovative Tools to Support National Policies and Strategies - Soundcloud por Breisinger, Clemens, Ecker, Olivier, Comstock, Andrew R., Kassim, Yumna, Rennison, Alan, Pape, Utz, Momanyi, Dorah, Adeyemo, Temitayo

“…Welcome Remarks Clemens Breisinger, Lead, CGIAR Initiative on National Policies and Strategies (NPS) and Country Program Leader, Kenya, IFPRI The E-FooD Dataset Olivier Ecker, Senior Research Fellow, IFPRI Food Security Simulators for Kenya and Nigeria Andrew Comstock, Senior Research Analyst, IFPRI Panel Discussion Alan Rennison, Senior Program Officer, Agricultural Development, Global Growth & Opportunity, Bill & Melinda Gates Foundation (BMGF) Utz Pape, Lead Economist, The World Bank, Abuja Dorah Momanyi, Young Professional (YP) and Winner of FSS Blog Competition; KIPPRA Kenya Temitayo Adeyemo, Agricultural Economist, Food systems research, Policy research, AWARD-GRASP fellow, University of Ibadan, Nigeria Closing Remarks Yumna Kassim, Program Manager, IFPRI Moderator Yumna Kassim, Program Manager, IFPRI…”
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Influence of fallow type and landuse intensity on weed seed rain in a forest/savanna transition zone por Ekeleme, F., Okezie Akobundu, I., Isichei, A., Chikoye, David

“…Weed seed rain was monitored in field plots under three fallow types and four land-use intensities in Ibadan, Nigeria, in 1994 and 1995. The fallow types were natural bush, planted Leucaena leucocephala, and Pueraria phaseoloides. …”
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Relationship between natural occurrence of banana streak badnavirus and symptom expression, relative concentration of viral antigen, and yield characteristics of some micropropagat... por Dahal, G., Ortíz, R., Tenkouano, A., Hughes, J., Thottappilly, G., Vuylsteke, D.R., Lockhart, B.E.L.

“…However, a few expressed some foliar symptoms at Ibadan and indexed BSV positive. The relative concentration of BSV antigens in leaf samples was also high in most TMPx and some FHIA hybrids, but low in most landraces. …”
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Soil water depletion under various leguminous cover crops in the derived savanna of west africa por Salako, F.K., Tian, G.

“…Therefore, a study was carried out at Alabata, Ibadan, southwestern Nigeria, to evaluate the effects of leguminous cover crops on soil water suctions in 1993 and 1994 in order to assess the possibility of integrating them into the farming systems of the savanna zone of West Africa. …”
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Field validation of intraspecific variation in phosphorus use efficiency and nitrogen fixation by provenances of Gliricidia sepium grown in low P soils por Sanginga, N., Danso, S., Zapata, F., Bowen, G.

“…Three selected provenances out of 23 provenances that had in an earlier experiment been examined at low and high P levels (20 mg and 80 mg P kg−1 soil) were further studied at four levels of P application in the greenhouse at IITA, Ibadan using an Alfisol collected from Fashola. The field experiment was conducted at Fashola (Guinea Savanna Zone), southwestern Nigeria. …”
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Galectin‐8 activates dendritic cells and stimulates antigen‐specific immune response elicitation por Carabelli, Julieta, Quattrocchi, Valeria, D'Antuono, Alejandra, Zamorano, Patricia Ines, Tribulatti, María Virginia, Campetella, Oscar

“…Moreover, Gal‐8‐treated BMDCs (Gal‐8–BMDCs) stimulated antigen‐specific T cells more efficiently than immature BMDCs (iBMDCs). Proinflammatory cytokines IL‐3, IL‐2, IL‐6, TNF, MCP‐1, and MCP‐5, as well as growth factor G‐CSF, were augmented in Gal‐8–BMDC conditioned media, with IL‐6 as the most prominent. …”
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