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Journal Article 2015-09-23

Autor: Rabbi, Ismail Y. Kulakow, P.A. Manu-Aduening, J.A. Dankyi, Ansong A. Asibuo, James Y. Parkes, Elizabeth Y Abdoulaye, Tahirou Girma, Gezahegn Gedil, Melaku A Ramu, Punna Reyes, Byron Maredia, Mywish K.

Accurate identification of crop cultivars is crucial in assessing the impact of crop improvement research outputs. Two commonly used identification approaches, elicitation of variety names from farmer interviews and morphological plant descriptors, have inherent uncertainty levels. Genotyping-by-...

Enlace original: https://cgspace.cgiar.org/handle/10568/68785

Investigación en Agricultura
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Rabbi, Ismail Y. ,  Kulakow, P.A. ,  Manu-Aduening, J.A. ,  Dankyi, Ansong A. ,  Asibuo, James Y. ,  Parkes, Elizabeth Y ,  Abdoulaye, Tahirou ,  Girma, Gezahegn ,  Gedil, Melaku A ,  Ramu, Punna ,  Reyes, Byron ,  Maredia, Mywish K. ,  [Tracking crop varieties using genotyping-by-sequencing markers: a case study using cassava (Manihot esculenta Crantz)] ,  Tracking crop varieties using genotyping-by-sequencing markers: a case study using cassava (Manihot esculenta Crantz)
Journal Article 2017

Autor: Udoh, L.I. Gedil, M. Parkes, E.Y. Kulakow, P.A. Adesoye, A.I. Nwuba, C. Rabbi, Ismail Y.

Cassava is a widely grown staple in Sub-Saharan Africa and consumed as a cheap source of calories, but the crop is deficient in micronutrients including pro-vitamin A carotenoids. This challenge is currently being addressed through biofortification breeding that relies on phenotypic selection. Ge...

Enlace original: https://cgspace.cgiar.org/handle/10568/83509

Investigación en Agricultura
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Udoh, L.I. ,  Gedil, M. ,  Parkes, E.Y. ,  Kulakow, P.A. ,  Adesoye, A.I. ,  Nwuba, C. ,  Rabbi, Ismail Y. ,  [Candidate gene sequencing and validation of SNP markers linked to carotenoid content in cassava (Manihot esculenta Crantz)] ,  Candidate gene sequencing and validation of SNP markers linked to carotenoid content in cassava (Manihot esculenta Crantz)
Journal Article 2013

Autor: Beyene, D. Mukasa, S.B. Jansson, C. Villiers, Etienne P. de Ferguson, M. Rabbi, Ismail Y. Kyamanywa, S. Sebuliba, J. Baguma, Yona K.

The distribution and frequency of single nucleotide polymorphisms (SNPs) is an excellent tool for discerning evolutionary relatedness between cultivated and wild plant genomes. This type of information is scanty for the genus Manihot, and thus limiting systematic approaches in the genetic improve...

Enlace original: https://cgspace.cgiar.org/handle/10568/77418

Investigación en Agricultura
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Beyene, D. ,  Mukasa, S.B. ,  Jansson, C. ,  Villiers, Etienne P. de ,  Ferguson, M. ,  Rabbi, Ismail Y. ,  Kyamanywa, S. ,  Sebuliba, J. ,  Baguma, Yona K. ,  [Patterns on nucleotide diversity in Meisa1 and G3PHD in wild and cultivated cassava] ,  Patterns on nucleotide diversity in Meisa1 and G3PHD in wild and cultivated cassava
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
Report 2016-10

Autor: Maredia, Mywish K. Reyes, B.A. Manu-Aduening, J.A. Dankyi, Ansong A. Hamazakaza, P. Muimui, Kennedy K. Rabbi, Ismail Y. Kulakow, P.A. Parkes, E. Abdoulaye, Tahirou Katungi, E. Raatz, Bodo

Varietal adoption based on household surveys has mostly relied on farmers’ response to varietal identification. This method can give biased estimates if farmers are unable to identify improved varieties as a group or by name, or give names that do not match with the released variety list. To tack...

Enlace original: https://cgspace.cgiar.org/handle/10568/79460

Investigación en Agricultura
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Maredia, Mywish K. ,  Reyes, B.A. ,  Manu-Aduening, J.A. ,  Dankyi, Ansong A. ,  Hamazakaza, P. ,  Muimui, Kennedy K. ,  Rabbi, Ismail Y. ,  Kulakow, P.A. ,  Parkes, E. ,  Abdoulaye, Tahirou ,  Katungi, E. ,  Raatz, Bodo ,  [Testing alternative methods of varietal identification using DNA fingerprinting: results of pilot studies in Ghana and Zambia] ,  Testing alternative methods of varietal identification using DNA fingerprinting: results of pilot studies in Ghana and Zambia
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
Poster 2017

Autor: Oyebode, G.O. Parkes, E.Y. Aina, O.O. Rabbi, Ismail Y. Moshood, B.A. Afolabi, A. Iluebbey, P.O. Adetoro, N.A. Ikpan, S.A. Akoroda, M.O. Kulakow, P.A.
Enlace original: https://cgspace.cgiar.org/handle/10568/90695

Investigación en Agricultura
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Oyebode, G.O. ,  Parkes, E.Y. ,  Aina, O.O. ,  Rabbi, Ismail Y. ,  Moshood, B.A. ,  Afolabi, A. ,  Iluebbey, P.O. ,  Adetoro, N.A. ,  Ikpan, S.A. ,  Akoroda, M.O. ,  Kulakow, P.A. ,  [Performance and dry root yield stability of improved cassava (Manihot esculenta Crantz) clones evaluated in diverse agroecological zones of Nigeria] ,  Performance and dry root yield stability of improved cassava (Manihot esculenta Crantz) clones evaluated in diverse agroecological zones of Nigeria
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 2018-04-16

Autor: Assfaw Wossen, Tesfamicheal Abdoulaye, Tahirou Alene, A. Nguimkeu, P. Feleke, S. Rabbi, Ismail Y. Haile, M.G. Manyong, Victor M.

This article examines the impact that misreporting adoption status has on the identification and estimation of causal effects on productivity. In particular, by comparing measurement error-ridden self-reported adoption data with measurement-error-free DNA-fingerprinted adoption data, we investiga...

Enlace original: https://cgspace.cgiar.org/handle/10568/96132

Investigación en Agricultura
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Assfaw Wossen, Tesfamicheal ,  Abdoulaye, Tahirou ,  Alene, A. ,  Nguimkeu, P. ,  Feleke, S. ,  Rabbi, Ismail Y. ,  Haile, M.G. ,  Manyong, Victor M. ,  [Estimating the productivity impacts of technology adoption in the presence of misclassification] ,  Estimating the productivity impacts of technology adoption in the presence of misclassification
Journal Article 2017-04-17

Autor: Ramu, P. Esuma, W. Kawuki, R. Rabbi, Ismail Y. Egesi, Chiedozie N. Bredeson, J.V. Bart, R.S. Verma, J. Buckler, E.S. Lu, F

Cassava (Manihot esculenta Crantz) is an important staple food crop in Africa and South America; however, ubiquitous deleterious mutations may severely decrease its fitness. To evaluate these deleterious mutations, we constructed a cassava haplotype map through deep sequencing 241 diverse accessi...

Enlace original: https://cgspace.cgiar.org/handle/10568/81024

Investigación en Agricultura
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Ramu, P. ,  Esuma, W. ,  Kawuki, R. ,  Rabbi, Ismail Y. ,  Egesi, Chiedozie N. ,  Bredeson, J.V. ,  Bart, R.S. ,  Verma, J. ,  Buckler, E.S. ,  Lu, F ,  [Cassava haplotype map highlights fixation of deleterious mutations during clonal propagation] ,  Cassava haplotype map highlights fixation of deleterious mutations during clonal propagation

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