Resultados de búsqueda - Ibadi~

Phosphorus fractions in fallow systems of West Africa: effect of residue management por Tian, G., Kolawole, G.O., Tijani-Eniola, H.

“…Data were collected between 1998 and 2000 as part of an on-going long-term fallow management trial established in 1989 at the International Institute of Tropical Agriculture (IITA), Ibadan, in the derived savanna zone of southwestern Nigeria. …”
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IITA 50 years annivesary media day por International Institute of Tropical Agriculture

“…Media Day is being organized to provide media partners the opportunity to visit IITA headquarters in Ibadan and learn firsthand about IITA’s efforts in addressing Africa’s most pressing challenges of hunger, malnutrition, poverty, and natural resource degradation. …”
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IITA media day por International Institute of Tropical Agriculture

“…Media Day is being organized to provide media partners the opportunity to visit IITA headquarters in Ibadan and learn firsthand about IITA’s efforts in addressing Africa’s most pressing challenges of hunger, malnutrition, poverty, and natural resource degradation. …”
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Assessing intraspecific variability and diversity in African yam bean landraces using agronomic traits por Olomitutu, O.E., Abe, A., Oyatomi, Olaniyi, Paliwal, R., Abberton, Michael T.

“…Optimal utilization of the available large collection of landraces of African yam bean (AYB) presently conserved at the Genetic Resource Center, International Institute of Tropical Agriculture, Ibadan (GRC-IITA), requires an assessment of the magnitude and nature of genetic diversity within the germplasm. …”
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Prediction of root biomass in cassava based on ground penetrating radar phenomics por Agbona, A., Teare, B., Ruíz Guzman, H., Dobreva, I.D., Everett, M.E., Adams,T., Montesinos López, Osval A., Kulakow, Peter A., Hays, D.B.

“…GPR was evaluated for this purpose in a field trial conducted in Ibadan, Nigeria. Different methods of processing the GPR radargram were tested, which included time slicing the radargram below the antenna surface in order to reduce ground clutter; to remove coherent sub-horizontal reflected energy; and having the diffracted energy tail collapsed into representative point of origin. …”
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Comparative Performance of Lowland Hybrids and Inbred Rice Varieties in Nigeria por Akinwale, M.G., Gregorio, G., Nwilene, F., Akinyele, B.O., Ogunbayo, S.A., Odiyi, A.C., Shittu, A.

“…Yield potential of 14 rice varieties comprising 10 commercial hybrids, 2 inbred varieties and 2 lowland NERICAs were evaluated at the Africa Rice Center, Ibadan Station during 2008 wet and 2009 dry seasons. …”
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IITA-Gender Responsive Breeding Training Report por Cavicchioli, M., Zimbiti, T., Teeken, B., Nwanze, D.O., Liani, M., Parkes, Elizabeth Y., Bello, A.

“…On September 21st, 2022, scientists from various African countries specializing in plant breeding for cassava, yam, cowpea, maize, soybean, and plantain were welcomed to the International Institute of Tropical Agriculture (IITA) in Ibadan for a three-day training on Gender Responsive Breeding. …”
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Towards gender transformative food systems: do we need to focus on indigenous communities more? por Jagannath, Pratyaya

“…Using storytelling as a tool for an inclusive and gendered approach to ensuring food security and sustaining livelihoods by Dr Grady Walker, University of Reading. 2. TBA: by Dr Chi Huyen Truong, ICIMOD. …”
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Seasonal abundance of Paracoccus marginatus (Williams and Granara de Willink) (Hemiptera: Pseudococcidae) and damage to papaya seedlings in three agroecological zones in Southweste... por Larayetan, A.A., Adedire, C.O., Umeh, V., Goergen, Georg E.

“…The abundance of the papaya mealy bug and its damage to seedlings were investigated in the field at three agro-ecological zones: which includes Akure (Rainforest), Ogbomoso (Guinea savannah), Ibadan (Derived savannah) in the 2016 growing seasons. …”
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Assessing the impact of genotype-by-environment interactions on agronomic traits in elite cowpea lines across agro-ecologies in Nigeria por Popoola, B., Ongom, P.O., Mohammed, S.B., Togola, A., Ishaya, D.J., Bala, G., Fatokun, C., Boukar, O.

“…The genotype and genotype-by-environment interaction (GGE) biplot showed G21 (IT14K-2111-2) and G25 (IT15K-2386-1) as the most stable genotypes across the five environments, G41 (IT11K-61-82) was best adapted to Ibadan and Shika, G5 (245-1) was best adapted to Bagauda and Gumel, and G30 (IT16K-2365-1) was best adapted to Bauchi. …”
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The role of the locations of public sector varietal development activities on agricultural productivity: Evidence from northern Nigeria por Takeshima, Hiroyuki, Nasir, Abdullahi Mohammed

“…Specifically, it empirically shows that agricultural productivity and technical efficiency at farm household level is significantly and positively affected by similarity between the agroecological conditions of the locations of these households and where major crop breeding institutes are headquartered in Nigeria, namely Maiduguri, Kano, Zaria, Badeggi, Ibadan, and Umudike, after controlling for the agroecological conditions and various relevant household characteristics of these households. …”
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Nutrient contribution and maize performance in alley cropping systems por Yamoah, C.F., Agboola, A.A., Wilson, G.F.

“…Dry matter yield and potential contribution of N, P and K of some woody perennials as well as performance of maize were assessed in an alley cropping system at the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria. Dry matter yield was highest forCassia, followed byGliricidia and theFlemingia. …”
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Seasonal dynamics in dry matter degradation of browse in cattle, sheep and goats por Larbi, Asamoah, Smith, Jimmy W., Raji, A.M., Kurdi, I.O., Adekunle, I.O., Ladipo, D.O.

“…Rumen degradation characteristics of DM in edible forage of 25 multipurpose tree and shrub fodders (MPTS) harvested at the end of the main-wet (April-August 1992), minor-wet (September-November 1992) and dry (December 1992-March 1993) seasons were determined in rumen-fistulated Bunaji cattle (BC), West African Dwarf (WAD) sheep (WS) and WAD goats (WG) in Ibadan, southwestern Nigeria. Air dry samples of edible forage were incubated for 3, 6, 12, 36, 48, 72 and 96 h in three each of BC, WS and WG castrates fed a basal diet of Panicum maximum supplemented with Gliricidia sepium leaves. …”
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Evaluation of cowpea (Vigna unguiculata (L.) Walp.) germplasm lines for tolerance to drought por Fatokun, C.A., Boukar, O., Muranaka S

“…Cowpea is an important grain legume crop in sub-Saharan Africa (SSA) where, on a worldwide basis, the bulk is produced and consumed. The dry savanna area of SSA is where cowpea is mostly grown under rain-fed conditions. …”
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Field reaction of cassava genotypes to anthranose, bacterial blight, cassava mosaic disease and their effects on yield por Fokunang, C.N., Ikotun, T., Dixon, Alfred G.O., Akem, C.N.

“…Thirteen cassava genotypes were evaluated at the International Institute of Tropical Agriculture, Ibadan, Nigeria for anthracnose (CAD), bacterial blight (CBB) and cassava mosaic disease (CMD) incidence and severity, and their effects on yield, for three consecutive planting seasons. …”
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Evaluation of white yam (Dioscorea rotundata) genotypes for Arbuscular mycorrhizal colonization, leaf nutrient concentrations and tuber yield under NPK fertilizer application por Dare, M.O., Fagbola, O., Abaidoo, Robert C., Asiedu, Robert

“…The effects of nitrogen (N), phosphorus (P), and potassium (K) fertilizerrates on the AM colonization, leaf nutrient concentrations, and tuber yields of eleven genotypes ofDioscorea rotundata were investigated at Ibadan, Nigeria. The soil was ferric luvisol. Elevengenotypes were selected from the previously conducted screening of 75 genotypes of D. rotundata forfertilizer response. …”
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Chlorophyll fluorescence analysis for assessing water deficit and Arbuscular Mycorrhizal Fungi (AMF) inoculation in cassava (Manihot esculenta Crantz) por Oyetunji, O., Ekanayake, I.J., Osonubi, O.

“…Field experiment was conducted at Ajibode village while the semi-controlled experiment was conducted at the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria. One improved cassava clone (TMS 4(2) 1425) and a landrace (TME1) were investigated. …”
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Performance of a new formulation of atrazine for weed control in maize in Nigeria por Chikoye, David, Udensi, U.E., Lum, A.

“…The effects of a new formulation of atrazine for weed control in maize were studied during the wet season of 2002 and 2003 at Ibadan, Nigeria. The treatments were the new formulation at doses from 1.0 to 3.5 kg a.i.…”
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Testing market integration of staple food stuffs in Borno State, Nigeria por Onyeka, U.P., Olayemi, J.K., Kormawa, P.M., Mafimisebi, T.E.

“…The data used came from a database of International Institute of Tropical Agriculture (llTA) Ibadan. The data were on monthly prices of some selected foodstuff in Borno State and covered a period of nine years (1992-2000). …”
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Evaluation of water yam (Dioscorea alata L.) germplasm for reaction to yam anthracnose and virus diseases and their effect on yield por Egesi, Chiedozie N., Odu, B., Ogunyemi, S., Asiedu, Robert, Hughes, J.

“…In a search for sources of resistance, 40 water yam (Dioscorea alata L.) accessions from Benin, Ghana, Nigeria and Puerto Rico were screened under natural disease infection conditions in Ibadan, Nigeria. The accessions were evaluated at 1, 3 and 6 months after planting (MAP) for severity of yam anthracnose and viral diseases. …”
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