Resultados de búsqueda - Ibadi~

Variability for cassava root yield and yield components among half-sib cassava progenies por Codjia, E.D., Olasanmi, B., Udemba, I.O., Rabbi, I.Y.

“…One hundred and forty-two cassava genotypes developed from open-pollinated crosses and 3 national check varieties, TMS 07/0593, TMS 30572 and TMS 30555 were assessed for root yield and yield components over 2 years in Ibadan, Nigeria. Data on number of storage roots/plant (SRN), fresh root yield (FRY), dry matter content (DMC), and harvest index (HI) were subjected to a combined analysis of variance (ANOVA) over the two seasons. …”
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Genotype by environment interaction, path analysis, and yield stability of climate-resilient DroughtTEGO maize hybrids por Oyekunle, Muhyideen, Sserumaga, Julius Pyton, Adamu, Rabiu Salisu, Ndou, Eric, Beyene, Yoseph, Oikeh, Sylvester Ojo

“…The GGE biplot analysis showed that PC1 and PC2 explained 53.41% of the total variation in grain yield, with WE9216 emerging as the most stable and highest-yielding hybrid across the locations. Ibadan and Birnin Kudu were identified as the best testing environments, whereas the other locations were useful for culling unstable hybrids. …”
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Evaluating a group based intervention for improving meat safety in a Nigerian wet market por Grace, Delia, Dipeolu, M., Olawoye, J.

“…We evaluated a participatory training intervention to improve food safety among meat processors and retailers (butchers) in Bodija Market, Ibadan, Nigeria. Butchers are traditionally self-organised into groups. …”
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Characterization of a collection of Aeschynomene histrix in subhumid Nigeria por Merkel, U, Peters, Michael, Schultze-Kraft, Rainer, Berner, D.K.

“…A collection of 64 accessions of the South American pasture legume Aeschynomene histrix Poiret was characterized in 1995 at Ibadan in south-west Nigeria in order to test the potential of the accessions as forage plants in subhumid areas and as a trap crop for the parasitic plant Striga hermonthica (Del.) …”
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Competition between Imperata cylindrica and maize in the forest savannah transition zone of Nigeria por Chikoye, David, Ekeleme, F., Lum, A.F., Udensi, U.E.

“…The competitive ability of maize relative toI. cylindricawas evaluated in an addition series experiment in the forest savannah transition zone in 2006and 2007 at Ibadan, Nigeria. Maize andI. Cylindrica were planted in eight monoculture densities (4, 8, 12,16, 20, 32, 48 and 64 plants m 2) and in a 1:1 mixture at eight total densities (2:2, 4:4, 6:6, 8:8, 10:10, 16:16,24:24 and 32:32 maize: I. cylindricaplants m 2)asinmonoculture. …”
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Yam propagation using Aeroponics technology por Maroya, N., Balogun, M., Asiedu, Robert, Aighewi, B.A., Kumar, P. Lava, Augusto, J.

“…Aims: To study yam propagation and seed yam tuber production in aeroponics system.Study Design: The experiment was conducted in a randomized complete block designand treatments were replicated three times.Place of Study: This experiment was carried out at the International Institute of TropicalAgriculture Headquarters at Ibadan in Nigeria.Methodology: The experiment tested fresh vine cuttings of five yam genotypes of twospecies in an aeroponics system. …”
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Genetic variation of postharvest physiological deterioration susceptibility in a cassava germplasm por Moyib, K.O., Mkumbira, J., Odunola, O., Dixon, A., Akoroda, M.O., Kulakow, Peter A.

“…Six hundred and twelve cassava accessions within International Institute of Tropical Agriculture (IITA)-Ibadan germplasm were evaluated 2, 4, 6, and 8 days after harvest (DAH) for PPD and rate of PPD per day (PPD d–1) over the evaluation dates. …”
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Evaluation of microbial inoculants as biofertilizers for the improvement of growth and yield of soybean and maize crops in savanna soils por Laditi, M.A., Nwoke, C., Jemo, M., Abaidoo, Robert C., Ogunjobi, A.

“…In two sets of experiments, one set comprised of free-living nitrogen-fixing microorganisms (Azospirillum spp.), three soils from Ibadan, Mokwa and Shanono located in different agro-ecological zones, and maize as the test crop. …”
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Genotype X Environment interaction of carotene content of yellowfleshed cassava genotypes in Nigeria por Maroya, N., Kulakow, Peter A., Dixon, A., Maziya-Dixon, B.B., Bakare, M.A.

“…The trial locations were Ikenne (humid forest), Ibadan (forest-savanna transition), Ubiaja (subhumid forest), Mokwa (southern Guinea savanna) and Zaria (northern Guinea savanna). …”
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Cassava (Manihot esculenta Crantz) stems quality for root production effectiveness por Yomeni, M.O., Akoroda, M.O., Dixon, Alfred G.O.

“…Four attributes of stem quality: number of nodes1, diameter2, and stem weight3 per 25-cm plantable stake (PS), and the stake position4 were investigated in field trials at Blocks 4, 18 and 24 of the International Institute of Tropical Agriculture (IITA) Onne, Ajibode, Ibadan, Federal College of Agriculture, Akure and Dogodawa, Zaria, Nigeria to evaluate the relationship between good quality cassava planting material and the stem and root yields and to assess the best stake position that gives the best stem and root yields. …”
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Phosphorus response efficiency in cowpea genotypes por Olaleye, O., Fagbola, O., Abaidoo, Robert C., Ikeorah, N.

“…A screen house experiment was conducted at the International Institute of Tropical Agriculture (IITA) Ibadan, Nigeria. Three hundred cowpea genotypes obtained from the germplasm collection Unit of IITA were screened for number of root whorls and total number of roots using a completely randomized design with 12 replicates. …”
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Genetic variation and genotype x environment interaction in yams (Dioscorea spp.) for root colonization by arbuscular mycorrhiza por Dare, M.O., Abaidoo, Robert C., Fagbola, O., Asiedu, Robert

“…The variation in AM colonization in yam genotypes was evaluated in two experiments at four locations (Ibadan, Onne, Abuja and Ubiaja) in different agroecologies of Nigeria in 2004 and 2005. …”
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Evaluation of a new formulation of atrazine and metolachlor mixture for weed control in maize in Nigeria por Chikoye, David, Udensi, U.E., Lum, A.

“…Field studies were conducted in 2002 and 2003 at Ibadan, Nigeria, to evaluate the effects on weed control in maize of a new formulation of a mixture of atrazine and metolachlor. …”
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Phenotypic and genetic correlations in Musa populations in Nigeria por Tenkouano, A., Ortíz, R., Baiyeri, K.

“…In this regard, the correlation of several traits with bunch weight was assessed for a sample of 36 Musa genotypes grown at three locations (Abuja, Ibadan and Onne) for two consecutive crop cycles. …”
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Banana die-back virus- a new virus infecting banana in Nigeria por Hughes, J., Speijer, P., Olatunde, O.

“…During a recent field survey at Ibadan (Nigeria), some severely stunted banana plants (cv. …”
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Effect of mulch quality on earthworm activity and nutrient supply in the humid tropics por Tian, G., Kang, B., Brussaard, Lijbert

“…An experiment was conducted in 1990 and 1991 at the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria to study the role of earthworms in the decomposition of plant residue mulches with different qualities. …”
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Effect of planting season on cassava anthracnose disease development por Fokunang, C.N., Akem, C.N., Ikotun, T., Dixon, Alfred G.O.

“…Twelve cassava (Manihot esculenta Crantz) genotypes were planted under natural field conditions for two different cropping seasons (wet and dry), in 1992 and 1993 at the research farm of the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria. The trial studied the effect of planting season on cassava anthracnose disease (CAD) symptoms expression (disease severity index, canker size and first canker distance from the ground). …”
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Agronomic sustainability of different farming systems on Alfisols in Southwestern Nigeria por Lal, R.

“…A longterm experiment was conducted on Alfisols at Ibadan, Nigeria, to assess agricultural productivity and sustainability of different farming systems. …”
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Management of cogongrass Imperata cylindrica with velvetbean Mucuna pruriens var. utilis and herbicides por Udensi, U.E., Akobundu, I.O., Ayeni, A.O., Chikoye, David

“…Field experiments were conducted in 1992 to 1993 and in 1995 to 1996 in Ibadan, Nigeria, to assess the effect of velvetbean and herbicides on maize (corn) and cogongrass growth and to assess regrowth of the weed 1 yr after treatment. …”
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Some factors affecting soybean viability and emergence in the lowland tropics por Nangju, D., Wien, H.C., Singh, T.P.

“…Soil temperature up to 42 C during rainy season at Ibadan, Nigeria has been recorded, and 2 hours of 42C soil temperature was found to reduce hypocotyl extension by more than 70% in soybean. …”
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