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Journal Article 2018

Autor: Ozimati, A. Kawuki, R. Esuma, W. Kayondo, I.S. Wolfe, M. Lozano, R. Rabbi, Ismail Y. Kulakow, P. Jannink, Jean-Luc

Cassava production in the central, southern and eastern parts of Africa is under threat by cassava brown streak virus (CBSV). Yield losses of up to 100% occur in cases of severe infections of edible roots. Easy illegal movement of planting materials across African countries, and long-range moveme...

Enlace original: https://cgspace.cgiar.org/handle/10568/99125

Investigación en Agricultura
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Ozimati, A. ,  Kawuki, R. ,  Esuma, W. ,  Kayondo, I.S. ,  Wolfe, M. ,  Lozano, R. ,  Rabbi, Ismail Y. ,  Kulakow, P. ,  Jannink, Jean-Luc ,  [Training population optimization for prediction of cassava brown streak disease resistance in west African clones] ,  Training population optimization for prediction of cassava brown streak disease resistance in west African clones
Journal Article 2019

Autor: Ikeogu, U.N. Akdemir, D. Wolfe, M.D. Okeke, U.G. Amaefula, C. Jannink, Jean-Luc Egesi, Chiedozie N.

Random forests (RF) was used to correlate spectral responses to known wet chemistry carotenoid concentrations including total carotenoid content (TCC), all-trans β-carotene (ATBC), violaxanthin (VIO), lutein (LUT), 15-cis beta-carotene (15CBC), 13-cis beta-carotene (13CBC), alpha-carotene (AC), 9...

Enlace original: https://cgspace.cgiar.org/handle/10568/106243

Investigación en Agricultura
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Ikeogu, U.N. ,  Akdemir, D. ,  Wolfe, M.D. ,  Okeke, U.G. ,  Amaefula, C. ,  Jannink, Jean-Luc ,  Egesi, Chiedozie N. ,  [Genetic correlation, genome-wide association and genomic prediction of portable NIRS predicted carotenoids in cassava roots] ,  Genetic correlation, genome-wide association and genomic prediction of portable NIRS predicted carotenoids in cassava roots
Journal Article 2019-10

Autor: Wolfe, M.D. Bauchet, G.J. Chan, A.W. Lozano, R. Ramu, P. Egesi, Chiedozie N. Kawuki, R. Kulakow, P. Rabbi, Ismail Y. Jannink, Jean-Luc

Introgression of alleles from wild relatives has often been adaptive in plant breeding. However, the significance of historical hybridization events in modern breeding is often not clear. Cassava (Manihot esculenta) is among the most important staple foods in the world, sustaining hundreds of mil...

Enlace original: https://cgspace.cgiar.org/handle/10568/105625

Investigación en Agricultura
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Wolfe, M.D. ,  Bauchet, G.J. ,  Chan, A.W. ,  Lozano, R. ,  Ramu, P. ,  Egesi, Chiedozie N. ,  Kawuki, R. ,  Kulakow, P. ,  Rabbi, Ismail Y. ,  Jannink, Jean-Luc ,  [Historical introgressions from a wild relative of modern cassava improved important traits and may be under balancing selection] ,  Historical introgressions from a wild relative of modern cassava improved important traits and may be under balancing selection
Journal Article 2017

Autor: Elias, A.A. Rabbi, Ismail Y. Kulakow, P.A. Jannink, Jean-Luc

Cassava (Manihot esculenta Crantz) is an important staple food in sub-Saharan Africa. Breeding experiments were conducted at the International Institute of Tropical Agriculture in cassava to select elite parents. Taking into account the heterogeneity in the field while evaluating these trials can...

Enlace original: https://cgspace.cgiar.org/handle/10568/89814

Investigación en Agricultura
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Elias, A.A. ,  Rabbi, Ismail Y. ,  Kulakow, P.A. ,  Jannink, Jean-Luc ,  [Improving genomic prediction in cassava field experiments using spatial analysis] ,  Improving genomic prediction in cassava field experiments using spatial analysis
Journal Article 2018-03

Autor: Elias, A.A. Rabbi, Ismail Y. Kulakow, P. Jannink, Jean-Luc

Plants' competing for available resources is an unavoidable phenomenon in a field. We conducted studies in cassava (Manihot esculenta Crantz) in order to understand the pattern of this competition. Taking into account the competitive ability of genotypes while selecting parents for breeding advan...

Enlace original: https://cgspace.cgiar.org/handle/10568/96120

Investigación en Agricultura
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Elias, A.A. ,  Rabbi, Ismail Y. ,  Kulakow, P. ,  Jannink, Jean-Luc ,  [Improving genomic prediction in cassava field experiments by accounting for interplot competition] ,  Improving genomic prediction in cassava field experiments by accounting for interplot competition
Journal Article 2017-12-11

Autor: Ikeogu, Ugochukwu N. Davrieux, Fabrice Dufour, D.L. Ceballos, H. Egesi, Chiedozie N. Jannink, Jean-Luc

Portable Vis/NIRS are flexible tools for fast and unbiased analyses of constituents with minimal sample preparation. This study developed calibration models for dry matter content (DMC) and carotenoids in fresh cassava roots using a portable Vis/NIRS system. We examined the effects of eight data ...

Enlace original: https://cgspace.cgiar.org/handle/10568/89923

Investigación en Agricultura
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Ikeogu, Ugochukwu N. ,  Davrieux, Fabrice ,  Dufour, D.L. ,  Ceballos, H. ,  Egesi, Chiedozie N. ,  Jannink, Jean-Luc ,  [Rapid analyses of dry matter content and carotenoids in fresh cassava roots using a portable visible and near infrared spectrometer (Vis/NIRS)] ,  Rapid analyses of dry matter content and carotenoids in fresh cassava roots using a portable visible and near infrared spectrometer (Vis/NIRS)
Journal Article 2018-08

Autor: Ezenwaka, L.C. Carpio, D.P. del Jannink, Jean-Luc Rabbi, Ismail Y. Danquah, E.Y. Asante, I. Danquah, A. Blay, E. Egesi, Chiedozie N.

Cassava green mite [CGM, Mononychellus tanajoa (Bondar)] is a dry-season pest that usually feeds on the underside of young leaves causing leaf chlorosis, stunted growth, and root yield reduction by 80%. Since cassava (Manihot esculenta Crantz) leaves and roots serve as a primary staple food sourc...

Enlace original: https://cgspace.cgiar.org/handle/10568/97154

Investigación en Agricultura
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Ezenwaka, L.C. ,  Carpio, D.P. del ,  Jannink, Jean-Luc ,  Rabbi, Ismail Y. ,  Danquah, E.Y. ,  Asante, I. ,  Danquah, A. ,  Blay, E. ,  Egesi, Chiedozie N. ,  [Genome-wide association study of resistance to cassava green mite pest and related traits in cassava] ,  Genome-wide association study of resistance to cassava green mite pest and related traits in cassava
Journal Article 2017-11

Autor: Rabbi, Ismail Y. Udoh, L.I. Wolfe, M. Parkes, E.Y. Gedil, Melaku A Dixon, A. Ramu, P. Jannink, Jean-Luc Kulakow, P.A.

Cassava (Manihot esculenta (L.) Crantz) is a starchy root crop cultivated in the tropics for fresh consumption and commercial processing. Dry matter content and micronutrient density, particularly of provitamin A, traits that are negatively correlated, are among the primary selection objectives i...

Enlace original: https://cgspace.cgiar.org/handle/10568/83065

Investigación en Agricultura
Enlace permanente

Rabbi, Ismail Y. ,  Udoh, L.I. ,  Wolfe, M. ,  Parkes, E.Y. ,  Gedil, Melaku A ,  Dixon, A. ,  Ramu, P. ,  Jannink, Jean-Luc ,  Kulakow, P.A. ,  [Genome-Wide Association Mapping of Correlated Traits in Cassava: Dry Matter and Total Carotenoid Content] ,  Genome-Wide Association Mapping of Correlated Traits in Cassava: Dry Matter and Total Carotenoid Content
Journal Article 2017

Autor: Okeke, U.G. Akdemir, D. Rabbi, Ismail Y. Kulakow, P.A. Jannink, Jean-Luc

Background: Genomic selection (GS) promises to accelerate genetic gain in plant breeding programs especially for crop species such as cassava that have long breeding cycles. Practically, to implement GS in cassava breeding, it is necessary to evaluate different GS models and to develop suitable m...

Enlace original: https://cgspace.cgiar.org/handle/10568/89941

Investigación en Agricultura
Enlace permanente

Okeke, U.G. ,  Akdemir, D. ,  Rabbi, Ismail Y. ,  Kulakow, P.A. ,  Jannink, Jean-Luc ,  [Accuracies of univariate and multivariate genomic prediction models in African cassava] ,  Accuracies of univariate and multivariate genomic prediction models in African cassava
Journal Article 2014

Autor: Rabbi, Ismail Y. Hamblin, M. Gedil, M. Kulakow, P.A. Ferguson, M. Ikpan, A. Ly, D. Jannink, Jean-Luc

Cassava (Manihot esculenta L.) is one of the most important food crops in the tropics, but yields are far below their potential. The gene pool of cassava contains natural genetic diversity relevant to many important breeding goals, but breeding progress has been slow, partly because of insuf-fici...

Enlace original: https://cgspace.cgiar.org/handle/10568/75920

Investigación en Agricultura
DNA
Enlace permanente
Rabbi, Ismail Y. ,  Hamblin, M. ,  Gedil, M. ,  Kulakow, P.A. ,  Ferguson, M. ,  Ikpan, A. ,  Ly, D. ,  Jannink, Jean-Luc ,  [Genetic mapping using genotypingbysequencing in the clonally propagated cassava] ,  Genetic mapping using genotypingbysequencing in the clonally propagated cassava

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