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Journal Article 2015

Development of genomic simple sequence repeat markers for yam

Autor: Tamiru, M. Yamanaka, S. Mitsuoka, C. Babil, P. Takagi, H. López Montes, A. Sartie, A.M. Asiedu, Robert Terauchi, R.

Yam ( Dioscorea spp.) is a major staple crop widely cultivated for its starchy tubers. To date, very few marker resources are publicly avail - able as tools for genetic and genomic studies of this economically important crop. In this study, 90 simple sequence repeat (SSR) markers were devel...

Enlace original: https://cgspace.cgiar.org/handle/10568/74426

Investigación en Agricultura

SIMPLE SEQUENCE REPEATS

GENOMIC

YAMS

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Tamiru, M. , Yamanaka, S. , Mitsuoka, C. , Babil, P. , Takagi, H. , López Montes, A. , Sartie, A.M. , Asiedu, Robert , Terauchi, R. , [Development of genomic simple sequence repeat markers for yam] , Development of genomic simple sequence repeat markers for yam

Journal Article 2015

Improved propagation methods to raise the productivity of yam (Dioscorea rotundata Poir.)

Autor: Aighewi, B.A. Asiedu, Robert Maroya, N. Balogun, M.

White Guinea yam ( Dioscorea rotundata Poir.) is an important staple to millions of people in West Africa. Obtaining good quality planting material for yam cultivation is a major challenge. Multiplication ratios are low, and seed tubers are prone to contamination with pests and pathogens in the t...

Enlace original: https://cgspace.cgiar.org/handle/10568/74418

Investigación en Agricultura

DIOSCOREA

GENUS

YAMS

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Aighewi, B.A. , Asiedu, Robert , Maroya, N. , Balogun, M. , [Improved propagation methods to raise the productivity of yam (Dioscorea rotundata Poir.)] , Improved propagation methods to raise the productivity of yam (Dioscorea rotundata Poir.)

Journal Article 2015

Population changes of plant-parasitic nematodes associated with cover crops following a yam (Dioscorea rotundata) crop

Autor: Claudius-Cole, A.O. Fawole, B. Asiedu, Robert

Effective management of plant-parasitic nematodes affecting yams includes practices that can break the pest cycle from field to store. This study evaluated nematode population changes under cover crop cultivation following a main yam crop. Ten cover crops were planted after the harvest of the yam...

Enlace original: https://cgspace.cgiar.org/handle/10568/74450

Investigación en Agricultura

AESCHYNOMENE

DIOSCOREA

MELOIDOGYNE

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Claudius-Cole, A.O. , Fawole, B. , Asiedu, Robert , [Population changes of plant-parasitic nematodes associated with cover crops following a yam (Dioscorea rotundata) crop] , Population changes of plant-parasitic nematodes associated with cover crops following a yam (Dioscorea rotundata) crop

Journal Article 2012-02

Genetic and phenotypic diversity in a germplasm working collection of cultivated tropical yams (Dioscorea spp.)

Autor: Sartie, A.M. Asiedu, Robert Franco, J.

A working collection of yam (Dioscoreaspp.) comprising 53 landraces and seven improved cultivars of four species (D. alata L., D. cayenensis Lam., D. dumetorum (Kunth) and D. rotundata Poir.) was evaluated for phenotypic and genetic diversity. The evaluation involved field assessment of 24 morpho...

Enlace original: https://cgspace.cgiar.org/handle/10568/77421

Investigación en Agricultura

YAMS

BREEDING

TUBER

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Sartie, A.M. , Asiedu, Robert , Franco, J. , [Genetic and phenotypic diversity in a germplasm working collection of cultivated tropical yams (Dioscorea spp.)] , Genetic and phenotypic diversity in a germplasm working collection of cultivated tropical yams (Dioscorea spp.)

Journal Article 2012-04

Genetic diversity of Colletotrichum gloeosporioides in Nigeria using amplified fragment length polymorphismA (AFLP) markers

Autor: Aduramigba-Modupe, A.O. Asiedu, Robert Odebode, C.A. Owolade, F.

Colletotrichum gloeosporioides is the causal agent of yam anthracnose disease in Nigeria. Differential cultivars and amplified fragment length polymorphic DNA markers were used to assess the extent of genetic diversity among 39 isolates of the pathogen. Fourteen (14) pathotypes of the pathogen we...

Enlace original: https://cgspace.cgiar.org/handle/10568/77410

Investigación en Agricultura

PATHOTYPES

GENETIC VARIATION

AMPLIFIED FRAGMENT LENGTH POLYMORPHISM

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Aduramigba-Modupe, A.O. , Asiedu, Robert , Odebode, C.A. , Owolade, F. , [Genetic diversity of Colletotrichum gloeosporioides in Nigeria using amplified fragment length polymorphismA (AFLP) markers] , Genetic diversity of Colletotrichum gloeosporioides in Nigeria using amplified fragment length polymorphismA (AFLP) markers

Journal Article 2012

Effect of extrusion variables on extrudates properties of water yam flour a response surface analysis

Autor: Oke, M.O. Awonorin, S. Sanni, L.O. Asiedu, Robert Aiyedun, P.O.

Water yam (Dioscorea alata) flour was processed using standard wet milling procedure prior to the extrusion process, which led to the determination of extrudate properties of the flours.A single-screw extruder (DCE 330, NJ) was used in evaluating the extrudate properties, which included torque, m...

Enlace original: https://cgspace.cgiar.org/handle/10568/77450

Investigación en Agricultura

YAMS

YAM FLOUR

PROCESS

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Oke, M.O. , Awonorin, S. , Sanni, L.O. , Asiedu, Robert , Aiyedun, P.O. , [Effect of extrusion variables on extrudates properties of water yam flour a response surface analysis] , Effect of extrusion variables on extrudates properties of water yam flour a response surface analysis

Journal Article 2013

Economic analysis of seed yam production systems in Nigeria

Autor: Mignouna, Djana B. Abdoulaye, Tahirou Alene, A. Aighewi, B.A. Pelemo, O. Manyong, Victor M. Asiedu, Robert Akoroda, M.O.

New seed yam systems from minisetts, minitubers and vine cuttings have been developed for yam production to supplant the traditional systems, which have proven inefficient and costly. The new techniques provide producers in tropical countries with the opportunity to minimize production costs, red...

Enlace original: https://cgspace.cgiar.org/handle/10568/77440

Investigación en Agricultura

YAMS

CASH FLOW

ANALYSIS

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Mignouna, Djana B. , Abdoulaye, Tahirou , Alene, A. , Aighewi, B.A. , Pelemo, O. , Manyong, Victor M. , Asiedu, Robert , Akoroda, M.O. , [Economic analysis of seed yam production systems in Nigeria] , Economic analysis of seed yam production systems in Nigeria

Journal Article 2012-02

Phenotypic analysis of tuber yield and maturityrelated traits in white yam (Dioscorea rotundata)

Autor: Sartie, A. M. Franco, J. Asiedu, Robert

Inadequate yield potential of available varieties and their long growth periods are two of the factors limiting yam (Dioscorea spp.) production. Identifying yield- and maturity-related traits and breeding for them will enhance production. Ten morphological/physiological traits: time of shoot emer...

Enlace original: https://cgspace.cgiar.org/handle/10568/77427

Investigación en Agricultura

DIOSCOREA ROTUNDATA

TUBER MATURITY

TUBER

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Sartie, A. M. , Franco, J. , Asiedu, Robert , [Phenotypic analysis of tuber yield and maturityrelated traits in white yam (Dioscorea rotundata)] , Phenotypic analysis of tuber yield and maturityrelated traits in white yam (Dioscorea rotundata)

Journal Article 2016

Comparative reliability of screening parameters for anthracnose resistance in water yam (Dioscorea alata)

Autor: Nwadili, C.O. Augusto, J. Bhattacharjee, R. Atehnkeng, J. López Montes, A. Onyeka, T.J. Kumar, P.L. Asiedu, Robert Bandyopadhyay, Ranajit

Anthracnose, caused by Colletotrichum gloeosporioides, is one of the major constraints limiting water yam (Dioscorea alata) production in the tropics. In this region, yam anthracnose control is mostly achieved by the deployment of moderately resistant yam genotypes. Therefore, screening for new s...

Enlace original: https://cgspace.cgiar.org/handle/10568/77732

Investigación en Agricultura

COLLETETRICHUM GLOEOSPORIOIDES

DIOSCOREA ALATA

YAMS

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Nwadili, C.O. , Augusto, J. , Bhattacharjee, R. , Atehnkeng, J. , López Montes, A. , Onyeka, T.J. , Kumar, P.L. , Asiedu, Robert , Bandyopadhyay, Ranajit , [Comparative reliability of screening parameters for anthracnose resistance in water yam (Dioscorea alata)] , Comparative reliability of screening parameters for anthracnose resistance in water yam (Dioscorea alata)

Journal Article 2016-07-30

Effects of policies on yam production and consumption in Nigeria

Autor: Adesiyan, O.F. Adesiyan, A.T. Bamire, A. Ousmane, C. Asiedu, Robert

Several efforts have been made through research, government programs and Non-Governmental Organisations (NGO) interventions to improve yam production in Nigeria. In addition, some policies targeted at improving agricultural production have weakened the production and consumption of different comm...

Enlace original: https://cgspace.cgiar.org/handle/10568/76369

Investigación en Agricultura

YAMS

POLICIES

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Adesiyan, O.F. , Adesiyan, A.T. , Bamire, A. , Ousmane, C. , Asiedu, Robert , [Effects of policies on yam production and consumption in Nigeria] , Effects of policies on yam production and consumption in Nigeria

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