Publications in VIVO

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Asiedu, Robert Director R4D, IITA-West, IITA

CIMMYT
IITA

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selected publications

article
- Identification of QTLs for grain yield and other traits in tropical maize under Striga infestation.. PLOS ONE. 15. 2020
- Comparative assessment of genetic diversity matrices and clustering methods in white Guinea yam (Dioscorea rotundata) based on morphological and molecular markers.. Scientific Reports. 10:13191. 2020
- Genome-Wide Association Analysis for Tuber Dry Matter and Oxidative Browning in Water Yam (Dioscorea alata L.).. PLANTS-BASEL. 9:969. 2020
- Potential returns to yam research investment in sub-Saharan Africa and beyond:. Outlook on Agriculture. 49:215-224. 2020
- Identification of QTLs Controlling Resistance/Tolerance to Striga hermonthica in an Extra-Early Maturing Yellow Maize Population. AGRONOMY-BASEL. 10. 2020
- Phenotypic and molecular assessment of genetic structure and diversity in a panel of winged yam (Dioscorea alata) clones and cultivars.. Scientific Reports. 9:18221. 2019
- Spatial multivariate cluster analysis for defining target population of environments in west Africa for yam breeding. International Journal of Applied Geospatial Research. 10:1-30. 2019
- Yield gains and associated changes in an early yellow bi-parental maize population following genomic selection for Striga resistance and drought tolerance.. BMC Plant Biology. 19:129. 2019
- Assessment of heavy metals and microbial contamination of gari from Liberia. Food Science and Nutrition. 6:62-66. 2018
- Genome sequencing of the staple food crop white Guinea yam enables the development of a molecular marker for sex determination. BMC Biology. 15:86-86. 2017
- Retention of iron and zinc in yam flour and boiled yam processed from white yam (D. rotundata) varieties.. Food Science and Nutrition. 5:662-668. 2017
- Comparative Reliability of Screening Parameters for Anthracnose Resistance in Water Yam (Dioscorea alata). Plant Disease. 101:209-216. 2017
- Relative Efficiency of Positive Selection and Tissue Culture for Generating Pathogen-free Planting Materials of Yam (Dioscorea spp.). CZECH JOURNAL OF GENETICS AND PLANT BREEDING. 53:9-16. 2017
- Effects of Policies on Yam Production and Consumption in Nigeria. Agribusiness. 32:363-378. 2016
- An EST-SSR based genetic linkage map of water yam (Dioscorea alata L.) and identification of QTL (s) for anthracnose disease: proceeding (poster) 2016
- Impact evaluation protocols for agricultural projects: the case of Yam Improvement for Income and Food Security in West Africa; YIIFSWA working paper series, No. 7 2016
- Interspecific Crossing between Yam Species (Dioscorea rotundata and Dioscorea bulbifera) through in Vitro Ovule Culture 2016
- Development of Genomic Simple Sequence Repeat Markers for Yam. Crop Science. 55:2191-2200. 2015
- Genomic Resources for Water Yam (Dioscorea alata L.): Analyses of EST-Sequences, De Novo Sequencing and GBS Libraries. PLOS ONE. 10. 2015
- Population changes of plant-parasitic nematodes associated with cover crops following a yam ( Dioscorea rotundata ) crop. Tropical Plant Pathology. 40:193-199. 2015
- Management of Meloidogyne incognita in yam-based cropping systems with cover crops. Crop Protection. 63:97-102. 2014
- Next-generation sequencing based genotyping, cytometry and phenotyping for understanding diversity and evolution of guinea yams. Theoretical and Applied Genetics. 127:1783-1794. 2014
- PREDICTION OF THE SUITABILITY OF WATER YAM (DIOSCOREA ALATA) FOR AMALA PRODUCT USING PASTING AND SENSORY CHARACTERISTICS. Journal of Food Processing and Preservation. 38:1339-1345. 2014
- Evaluation of white yam (Dioscorea rotundata) genotypes for Arbuscular mycorrhizal colonization, leaf nutrient concentrations and tuber yield under NPK fertilizer application. International plant nutrition colloquium. 10. 37:658-673. 2014
- Characterization of yam-growing households in the project areas of Ghana 2014
- Physicochemical and bioactive properties of selected white yam (Dioscorea rotundata) varieties adapted to riverine areas of Nigeria 2014
- Seed yam production in an aeroponics system: a novel technology; YIIFSWA working paper series No. 2 2014
- Status and prospects for improving yam seed systems using temporary immersion bioreactors 2014
- Yam Improvement for Income and Food Security in West Africa: Effectiveness of a multi-disciplinary and multi-institutional team-work. Journal of Root Crops. 40:85-92. 2014
- EFFECT OF EXTRUSION VARIABLES ON EXTRUDATES PROPERTIES OF WATER YAM FLOUR – A RESPONSE SURFACE ANALYSIS. Journal of Food Processing and Preservation. 37:456-473. 2013
- Diversity of arbuscular mycorrhizal fungi in soils of yam (Dioscorea spp.) cropping systems in four agroecologies of Nigeria. Archives of Agronomy and Soil Science. 59:521-531. 2013
- EFFECTS OF STORAGE ON THE CHEMICAL COMPOSITION AND FOOD QUALITY OF YAM. Journal of Food Processing and Preservation. 36:438-445. 2012
- Development of mapping populations for genetic analysis in yams (D. rotundata and D. alata) 2012
- Scale insects on yams in Benin: diversity, incidence and farmers' knowledge and perceptions 2012
- Unleashing the power of cassava in Africa...are we there yet? 2012
- Generation and analysis of expressed sequence tags (ESTs) for marker development in yam (Dioscorea alata L.) 2011
- Studies on population build-up of Scutellonema bradys in Dioscorea species 2011
- Effects of Arbuscular Mycorrhizal Inoculation and Phosphorus Application on Yield and Nutrient Uptake of Yam. Communications in Soil Science and Plant Analysis. 41:2729-2743. 2010
- Optimum Time for Collection of Root Samples for Chromosome Observation in Yams (Dioscorea spp.). Tropical agriculture and development. 54:71-75. 2010
- Ploidy levels of Dioscorea alata L. germplasm determined by flow cytometry. Genetic Resources and Crop Evolution. 57:351-356. 2010
- Survey of the incidence and distribution of viruses infecting yam (Dioscorea spp.) in Ghana and Togo. Annals of Applied Biology. 156:243-251. 2010
- Clean planting materials and management practices for sustained production of yams (Dioscroea spp): the futrue of yam cultivation in West Africa 2010
- Distribution of yam anthracnose disease in Nigeria 2010
- Effects of ten plant extracts on mycelial growth and conidial production of four fungi associated with yam tuber rot 2010
- Enhancing seed yam supply systems in West Africa 2010
- Influence of tuber harvest time and storage period on polyphenoloxidase activity and rate of browning of white yam (Dioscorea rotundata) 2010
- Predicted changes in suitability and agro climatic factors due to climate change for yam production in Nigeria 2010
- Review of soil fertility management for yam-based systems in West Africa 2010
- Screening plant materials for resistance to the yam nematode (Scutellonema bradys) 2010
- Setting priorities: case study of IITA's root and tuber crops systems program 2010
- Yam screening for suitability in food product development 2010
- Ploidy level studies on the Dioscorea cayenensis/Dioscorea rotundata complex core set. Euphytica. 169:319-326. 2009
- A standardized RNA isolation protocol for yam (Dioscorea alata L) cDNA library construction 2009
- Culturing Meristematic Tissue and Node Cuttings from Yams (Dioscorea) 2009
- Delineation of pona complex of yam in Ghana using SSR markers 2009
- Effects of crude extracts of Allium sativum Linn, Cymbopogon citratus (CD) Stapf and Terminalia catappa L. on rot-causing fungi of Dioscorea species 2009
- Effects of cultivar and agrobotanical storage treatment on organolepetic quality of yam 2009
- Effects of two processing methods on some nutrients and anti-nutritional factors in yellow yam (Dioscorea cayenensis) 2009
- Environmental stability of resistance to anthracnose and virus diseases of water yam (Dioscorea alata). African Journal of Agricultural Research. 4:113-118. 2009
- Estimation of the nuclear DNA content in some representative of genus Dioscorea 2009
- Extraction of DNA from Yam (Dioscorea) Leaves 2009
- Farmer participatory evaluation of four hybrid water yam clones in the yam belt of Nigeria 2009
- GGE biplot analysis of Dioscorea rotundata cultivar Tela genotypes in Ghana. JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT. 7:134-139. 2009
- Molecular characterization of Colletotrichium gloeosporioides responsible for anthracnose of yam and cassava in Nigeria, and development of diagnostic PCR assay 2009
- Physicochemical and pasting characterisation of water yam (Dioscorea spp.) and relationship with eating quality of pounded yam. JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT. 7:107-112. 2009
- Post-Flask Management of Yam (Dioscorea) Plantlets 2009
- Producing Yam (Dioscorea) Seeds through Controlled Crosses 2009
- Secondary metabolite profile and phytotoxic activity of genetically distinct forms of Colletotrichum gloeosporioides from yam (Dioscorea spp.). Fungal Biology. 113:130-140. 2009
- The performance profile of Dioscorea rotundata cultivar Dorban genotypes in Ghana using GGE biplot analysis. JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT. 7:150-155. 2009
- Variation in pasting and functional properties of flours and starches from water yam (Dioscorea alata) 2009
- Yam (Dioscorea) Husbandry: Cultivating Yams in the Field or Greenhouse 2009
- First Report of Cucumber mosaic virus in Yams (Dioscorea spp.) in Ghana, Togo, and Republic of Benin in West Africa. Plant Disease. 92:833-833. 2008
- Determination of an effective maturity index for white yam (Dioscorea rotundata) 2008
- GGE biplot analysis of Dioscorea rotundata cultivar "DENTE" in Ghana. African Journal of Agricultural Research. 3:115-125. 2008
- Off-season yam production in Nigeria 2008
- Shoot and plantlet regeneration from meristems of Dioscorea rotundata poir and Dioscorea alata L 2008
- Studies on the antioxidant and whitening properties of extracts from tuber of yams (Dioscorea spp.) 2008
- Variation in nutrient and antinutrient contents of tubers from yellow yam (Dioscorea cayenensis) genotypes grown at two locations 2008
- Severity of anthracnose and virus diseases of water yam (Dioscorea alata L.) in Nigeria I: Effects of yam genotype and date of planting. Crop Protection. 26:1259-1265. 2007
- EFFECTS OF FOUR AGROBOTANICAL EXTRACTS AND THREE TYPES OF BAGS ON THE CONTROL OF INSECT PESTS AND MOULDS OF STORED YAM CHIPS. 2007
- Accounting for losses of micronutrients from staple foods during storage and processing 2007
- Adoption of yam minisett technology by women farmers in Abia State, Nigeria 2007
- Comparative effects of explants sources and age of plant on rooting, shooting and tuber formation of vine cuttings of yams (Dioscorea spp.) 2007
- Determinants of market value for fresh yam (Dioscorea species) tubers in two consumption centers in Togo 2007
- Effect of sucrose treatment on root, shoot and tuber formation of vine cuttings of yams (Dioscorea spp.) 2007
- Influence of time of harvest on the yield and sensory attributes of white yam (Dioscorea rotundata) in Southwest Nigeria. JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT. 5:179-184. 2007
- Strategic needs for controlling cassava mosaic disease in West and Central Africa 2007
- The challenges and potential options for controlling virus diseases of legumes and tuber crops in West Africa 2007
- Yam (Dioscorea rotundata Poir. and Dioscorea alata L.) meristem culture optimization and phenotypic stability of micropropagated plants 2007
- Effectss of aqueous and ethnlic extracts and the concentrations of four agrobotanicals and gibberellic acid(GA 3 ) on the shelf llife of the white guinea yam Dioscorea rotundata 2006
- Iron toxicity symptoms in yams (Dioscorea spp.) grown in water culture. Tropical Science. 46:160-165. 2006
- Yam-Based Farm Practices and Nematode Problems in Stored Yams (Dioscorea Spp.) in Ghana 2006
- AFLP marker diversity in water yam (Dioscorea alata L.) 2006
- Concentration of selected minerals and antinutritional factors and bioavailability of zinc and calcium in yellow yam (Dioscorea cayenensis) tubers 2006
- Evaluation of 5 hybrid yams for dry season yam production in lowland areas 2006
- Integration of yam in cover crop-based cropping system: constraints and potential 2006
- Involvement of women farmers in seed yam production in Abia state, Nigeria 2006
- Multi-locational evaluation of newly developed white yam hybrid genotype 2006
- Sensory texture profiling and development of standard rating scales for pounded yam. Journal of Texture Studies. 36:478-488. 2005
- Effect of photoperiod on the development of inflorescences in white Guinea yam (Dioscorea rotundata). Tropical Science. 45:126-130. 2005
- PCR Marker-based Analysis of Wild and Cultivated Yams (Dioscorea spp.) in Nigeria: Genetic Relationships and Implications for ex situ Conservation. Genetic Resources and Crop Evolution. 52:755-763. 2005
- MICROSTRUCTURE OF BOILED YAM (DIOSCOREA SPP.) AND ITS IMPLICATION FOR ASSESSMENT OF TEXTURAL QUALITY. Journal of Texture Studies. 36:324-332. 2005
- Comparison of fungitoxicity of culture filtrate of a yam rhizobacterium with two synthetic fungicides 2005
- Effect of Ethephone and storage temperature on tuber sprouting in yams (Dioscorea spp.) 2005
- Evaluating use of minitubers in screening yam genotypes for tolerance to fungal rot pathogens 2005
- Genotype x environment interaction in water yam (Dioscorea alata) yield trials in five yam-growing sites in Nigeria 2005
- Morphological, biochemical and molecular approaches to yam (Dioscorea spp.) genetic resource characterisation 2005
- Sprouting and yield of yam (Diocorea spp.) minisetts in relation to sett size, soil moisture and agro-ecology 2005
- Nutrient deficiency symptoms in yams (Dioscorea spp.). Tropical Science. 44:155-162. 2004
- Effect of auxins on root development in yam (Dioscorea rotundata) vine. Tropical Science. 44:80-84. 2004
- Responses of white yam (Dioscorea rotundata) cultivars to inoculation with three viruses. Plant Pathology. 53:141-147. 2004
- Archiving root and tuber research data. The small processor and development of local food industries for market economy 2004
- Assessing food quality in farmer participatory varietal selection of Water Yam (Dioscorea alata L.) 2004
- Evaluation of resistance to yam mosaic virus (YMV), genus Potyvirus in white yam (Dioscorea rotundata Poir.) 2004
- Evaluation of sixteen clones of selected yam (Dioscorea cayenensis-ro-tundata) in two agroecological zones in Togo 2004
- Farmer participatory clonal selection of Water Yam (Dioscorea alata) in West Africa 2004
- Water yam (Dioscorea alata), a neglected crop with high potential in West Africa 2004
- Molecular taxonomic, epidemiological and population genetic approaches to understanding yam anthracnose disease. African Journal of Biotechnology. 2:486-496. 2003
- Effect of harvest date on the dormancy period of yam (Dioscorea rotundata). Tropical Science. 43:103-107. 2003
- Induction of sprouting in dormant yam (Dioscorea spp.) tubers with inhibitors of gibberellins. Experimental Agriculture. 39:209-217. 2003
- Advances in yam (Dioscorea spp.) genetics and genomics 2003
- Breeding vegetatively propagated crops 2003
- Comparative effects of four botanicals and chemical gibberrellic acid (GA3) on the reduction of post-harvest losses in yam (Dioscorea rotundata) in storage 2003
- Contribution a la caracterisation agro-morphologiques des ignames de l'espece Dioscorea alata L. en Cote d'Ivoire 2003
- Determinants of market value for fresh yam tubers in two consumption centres in Togo 2003
- Factors affecting the adoption of agricultural technologies within yam-based production systems: prospects for the diffusion of improved yam varieties in Nigeria 2003
- Genetic diversity of organoleptic properties in water yam (Dioscorea alata L.) 2003
- Harnessing modern biotechnology for tropical tuber crop improvement: yam (Dioscorea spp.) molecular breeding 2003
- Influence of exogenous gibberellins inhibitors on tuber sprouting in yam 2003
- Rate of change in photoperiod and the intensity of timing of flowering in white yam (Dioscorea rotundata Poir.) 2003
- Seed yam production from presprouted minisetts with varied thickness of storage parenchyma 2003
- A genetic linkage map of water yam ( Dioscorea alata L.) based on AFLP markers and QTL analysis for anthracnose resistance.. Theoretical and Applied Genetics. 105:726-735. 2002
- Identification and potential use of RAPD markers linked to yam mosaic virus resistance in white yam (Dioscorea rotundata Poir.) 2002
- In vitro , greenhouse and field assessments of cassava lines for resistance to anthracnose disease caused by Colletotrichum gloeosporioides f.sp. manihotis. Mycopathologia. 154:191-198. 2002
- In vitro, greenhouse, and field assessment of cassava lines for resistance to anthracnose disease caused by colletotrichum gloeosporiodes f. sp. Manihotis 2002
- Occurrence of yam leaf, vine, and tuber infection by Colletotrichum gloeosporioides strains in four locations in Nigeria 2002
- Patterns and locations of sprouts on intact tubers of a multiple sprouting Dioscorea rotundata poir. variety, Pepa 2002
- Ploidy analysis in water yam, Dioscorea alata L., germplasm 2002
- Seed yam (Dioscorea rotundata Poir) production, storage, and quality in selected yam zones of Nigeria 2002
- Inheritance of resistance in water yam (Dioscorea alata) to anthracnose (Colletotrichum gloeosporioides). Theoretical and Applied Genetics. 103:52-55. 2001
- DORMANCY IN YAMS. Experimental Agriculture. 37:147-181. 2001
- Effect of day length on the enlargement and maturation of tubers in yams (Dioscorea spp.) 2001
- Farmers' perceptions of, and actions on resource management constraints in the yam-based systems of western Nigeria 2001
- Flowering in yams (Dioscorea spp.) 2001
- Induction of germination in dormant yam (Dioscorea spp.) tubers with inhibitions of gibberellins 2001
- Influence of tuber sett-weights on flowering in Dioscorea rotundata Poir 2001
- Seed yam (Dioscorea rotundata Poir) production, storage and quality in some yam zones of Nigeria 2001
- Tuber and root information system (TRIS): an essential tool for research, planning and development 2001
- Yam viruses in Nigeria 2001
- Yams in the Tanzanian food and farming systems: implications for research and development 2001
- Using isozyme polymorphism to assess genetic variation within cultivated yams (Dioscorea cayenensis/Dioscorea rotundata complex) of the Republic of Benin. Genetic Resources and Crop Evolution. 47:371-383. 2000
- Morphological diversity, cultivar groups and possible descent in the cultivated yams (Dioscorea cayenensis/D. rotundata) complex in Benin Republic. Genetic Resources and Crop Evolution. 46:371-388. 1999
- The potential of physical means for the manipulation of yam tuber dormancy 1999
- Effect of topping cassava plants on the incidence of cassava mosaic geminivirus disease 1998
- Genetic improvement 1998
- Molecular taxonomy of cultivated and wild yams in West Africa 1998
- Towards a development strategy for yams 1997
- Yams 1997
- Molecular markers in germplasm enhancement of yams (Dioscorea spp.) 1996
- Production and delivery systems of good quality cassava planting materials in sub-Saharan Africa 1996
- Yams in Africa: securing the future through research on a traditional favorite 1996
- Random amplified polymorphism DNA (RAPD) markers for genetic fingerprinting of IITA elite clones and landraces of root crops 1995
- An agroecologically-oriented introduction of cassava germplasm from Latin America into Africa 1994
- Attributes of cassava varieties desired by farmers in sub-Saharan Africa 1994
- Development of cassava in Eastern and Southern Africa 1994
- Distribution and severity of Yam anthracnose in Nigeria 1994
- Interspecific hybridization in the genus Manihot - progress and prospects 1994
- The cassava biotechnology network and African agriculture research and development programmes 1994
- Towards genetic improvement of yams (Dioscorea spp.) in Africa 1994
- Extraction of a phytotoxic substance from Colletotrichum gloeosporioides infected yam leaves 1993
- Analysis of the need for biotechnology research on cassava, yam, and plantain 1992
- Assessment of dry-matter content in cassava 1992
- Isozyme analysis and its application in plant breeding 1992
- Breeding for host plant resistance of cassava green spider mite (CGM) (Mononychellus tanajoa, Bondar) at IITA 1991
- Host plant resistance of cassava green spider mite (CGM) (Mononychellus tanajoa Bondar) at IITA 1991
- Resistance of cassava to African cassava mosaic virus: what really pertains 1991
- Breeding 1990
- Resistance to Heterodera avenae in the rye genome of triticale 1990
- Tetraploids, triploids, and 2n pollen from diploid interspecific crosses with cassava 1990
- Wide Hybridization — Potential of Alien Genetic Transfers for Triticum aestivum Improvement 1990
document
review
- Review of empirical and emerging breeding methods and tools for yam (Dioscorea spp.) improvement: Status and prospects. Plant Breeding. 474-497. 2020
- Crops that feed the World 1. Yams. Food Security. 305-315. 2010