Ikeorgu, J.*    

Firstname:J.* 
Surname:Ikeorgu 
Email: 
Institute:National Root Crops Research Institute (NRCRI), Umudike, Nigeria 
Homepage: 
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32 publications (0 read)





Publications as Author



2017

Impact assessment report of YIIFSWA project: raising household income, improving food security and reducing poverty in Nigeria, Mignouna, D., Maroya, N., Aighewi, B., Kumar, P. L., Akinribido, B., Ikeorgu, J.*, Abdoulaye, T., Akinola, A., Alene, A., Manyong, V. and Asiedu, R., YIIFSWA impact assessment report, 2017.
 

2014

Yam improvement for income and food security in west Africa: effectiveness of a multi-disciplinary and multi-institutional team-work, Maroya, N., Asiedu, R., Kumar, P. L., Mignouna, D., Lopez-Montes, A., Kleih, U. K., Phillips, D., Ndiame, F.*, Ikeorgu, J.* and Otoo, E.*, in: Journal of Root Crops, volume 40, number 1, pages 85-92, ISSN 0378-2409, 2014.
 

2013

Effectiveness of a multi-disciplinary and multi-institutional team work for yam value chain research for development in West Africa, Maroya, N., Asiedu, R., Kumar, P. L., Mignouna, D., Lopez-Montes, A., Kleih, U. K., Phillips, D., Ndiame, F.*, Ikeorgu, J.* and Otoo, E.*, Abstract in P. 261 in Abstract of papers of the International Confernece on Tropical Roots and Tubers for Sustainable Livelihood under changing agro-climate (ICTRT) 9-12 July 2013, Hotel Mascot, Thiruvananthapuram, Kerala, 2013.
 
DNA fingerprinting of yam cultivars from Nigeria and Ghana using microsatellite markers, Bhattacharjee, R., Ogedengbe, O., Lopez-Montes, A., Ikeorgu, J.*, Chamba, E.*, Otoo, E.* and Kumar, P. L., Abstract in First Global Conference on Yam 'to harness research innovations to unleash the potential of yam', 3-6 October, 2013 Accra, Ghana, 2013.
 

2012

DNA fingerprinting for identification of yam cultivars using microsatellite markers, Ogedengbe, O., Bhattacharjee, R., Lopez-Montes, A., Ikeorgu, J.* and Kumar, P. L., Abstract in the Book of Abstracts, 16th Triennial Symposium of the International Society for Tropical Root Crops (ISTRC), 23 - 28th September, 2012.
 
Advances in seed yam propagation methods in Nigeria, Ikeorgu, J.*, Mazza, M.*, Okonkwo, C. and Kikuno, H ., in: Tropical Roots and Tuber Crops and the Challenges of Globalization and Climate Changes. Proceedings of the 11th triennial Symposium of the ISTRC-AB, 4 to 8 October 2010, pages 151-154, ISTRC-AB, Ibadan, Nigeria, 2012.
 

2010

Current status of yam anthracnose disease in various agroecological zones of Nigeria., Onyeka, T. J.*, Zandjanakou-Tachin, M., Bandyopadhyay, R., Asiedu, R. and Ikeorgu, J.*, Abstract (Poster) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010.
 
Screening of new improved water yam (Dioscorea alata) genotypes of the preparation of amala in Nigeria, Ukpabi, U. J.*, Omodamiro, J. G.*, Ikeorgu, J.* and Asiedu, R., in: Root and tuber crops for poverty alleviation through science and technology for sustainable development: proceedings of the 10th symposium of ISTRC-AB held from 8-12 October, 2007 in Maputo, Mozambique, pages 259-265, ISTRC-AB, 2010.
 
Varietal response of seven new hybrid yam varieties to minituber production using the microsett technique, Ikeorgu, J.* and Okonkwo, C., in: African Journal of Root and Tuber Crops, volume 8, number 1, pages 62-65, ISSN 1118-2075, 2010.
 
Advances in seed yam propagation methods in Nigeria, Ikeorgu, J.*, Mazza, M.*, Okonkwo, C. and Kikuno, H ., Abstract (Poster) in Book of Abstracts of the 11th Triennial Symposium of ISTRC-AB, held at Memling Hotel, Kinshasa. 4-8 October, 2010.
 
Evaluation of the performance of five hybrid water yam clones in the yam belt of Nigeria, Ikeorgu, J.* and Asiedu, R., in: Root and tuber crops for poverty alleviation through science and technology for sustainable development: proceedings of the 10th symposium of ISTRC-AB held from 8-12 October, 2007 in Maputo, Mozambique, pages 265-269, ISTRC-AB, 2010.
 

2009

Effect of three-year fallow with herbaceous cover legumes on soil fertility and sweetpotato production in south-eastern Nigeria, Okpara, D. A*, Ikeorgu, J.*, Njoku, J. E.* and Tarawali, G., in: African Journal of Root and Tuber Crops, volume 7, number 1, pages 47-54, ISSN 1118-2075, 2009.
 
Farmer participatory evaluation of four hybrid water yam clones in the yam belt of Nigeria, Ikeorgu, J.*, Oselebe, H. O.*, Oluwatayo, J.*, Ugwuoke, K.*, Ukpabi, U. J.* and Asiedu, R., in: Securing livelihoods through yams: proceedings of a technical workshop on progress in yam research for development in west and central Africa held in Accra, Ghana, 11-13 September, 2007, pages 225-229, International Institute of Tropical Agriculture (IITA), 2009.
 
Varietal response of hybrid yams to minituber production using vine cutting technique, Ikeorgu, J.* and Kikuno, H ., in: Proceedings of the 43rd Annual Conference of the Agricultural Society of Nigeria, pages 218-227, Agricultural Society of Nigeria, 2009.
 

2008

Sensory evaluation of amala from improved water yam (Dioscorea alata) genotypes in Nigeria, Ukpabi, U. J.*, Omodamiro, R. M.*, Ikeorgu, J.* and Asiedu, R., in: African Journal of Biotechnology, volume 7, number 8, pages 1134-1138, ISSN 1684-5315, 2008.
 

2006

Multi-locational evaluation of newly developed white yam hybrid genotype, Nwachukwu, E. C., Ikeorgu, J.* and Asiedu, R., in: Repositioning agriculture for sustainable millenium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 20-23, Agricultural Society of Nigeria, 2006.
 
Analysis of newly developed white yam genotypes in a multi-environment trial using genotype main effect and genotype-by-environment (GGE Biplot) model, Nwachukwu, E. C., Ikeorgu, J.* and Asiedu, R., in: Genetics, food sufficiency and economic empowerment in Nigeria; proceedings of the 31st Annual Conference of the Genetics Society of Nigeria, Ibadan, Nigeria, November 6-9, 2006, pages 24-28, 2006.
 
Evaluation of 5 hybrid yams for dry season yam production in lowland areas, Ikeorgu, J.* and Asiedu, R., in: Repositioning agriculture for sustainable millennium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 640-642, Agricultural Society of Nigeria, 2006.
 

1991

Some analytical aspects of cassava/maize/okra/egusi-melon complex mixture: 1. Soli temperature in relation to leaf area variation, Ikeorgu, J.* and Ezumah, H. C., in: Field Crops Research, volume 27, number 1-2, pages 51-60, 1991.
 

1989

Evaluation of the productivity of cassava-yam-maize intercrop in the rainforest zone of Nigeria, Unamma, R. P. A., Udealor, A., Ezulike, T. O., Orkwor, G. C., Ene, L. S. O., Ikeorgu, J.* and Ezumah, H. C., pages 47-56, International Institute of Tropical Agriculture (IITA), 1989.
 
Productivity of species in cassava/maize/okra/egusi melon complex mixtures in Nigeria, Ikeorgu, J.*, Ezumah, H. C. and Wahua, T. A. T.*, in: Field Crops Research, volume 21, number 1, pages 1-7, 1989.
 
Effects of melon (Citrullus lanatus Thunb.) and okra (Abelmoschus esculentus [L.] Moench) on the soil moisture and leaf water status of intercropped cassava/maize in Nigeria, Ikeorgu, J.*, Wahua, T. A. T.* and Ezumah, H. C., in: Tropical Agriculture (Trinidad), volume 66, number 1, pages 78-82, ISSN 0041-3216, 1989.
 
Effect of fertilizer and time of introduction of cassava or maize on productivity of yam and cassava-based intercrops in a humid ultisol, Ikeorgu, J.*, Unamma, R. P. A. and Ezumah, H. C., pages 36-41, International Institute of Tropical Agriculture (IITA), 1989.
 

1984

Cassava in the cropping systems of humid Africa, Ezumah, H. C. and Ikeorgu, J.*, Ugandan International Conference Centre, 1984.
 
Crop performance in complex mixtures: melon and okra in cassava-maize mixture, Ikeorgu, J.*, Wahua, T. A. T.* and Ezumah, H. C., in: Proceedings of the Second Triennial Symposium on Tropical Root Crops- Africa Branch, edited by E.R. Terry, E.V. Doku, O.B. Arene and N.M. Mahungu, pages 63-66, IDRC, Ottawa, 1984.
 

Publications as Editor

2006

Multi-locational evaluation of newly developed white yam hybrid genotype, Nwachukwu, E. C., Ikeorgu, J.* and Asiedu, R., in: Repositioning agriculture for sustainable millenium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 20-23, Agricultural Society of Nigeria, 2006.
 
Characterizing 90 accessions of sweetpotato in high rainfall sites of southern Nigeria, Egeonu, I., Akoroda, M. and Tarawali, G., in: Repositioning agriculture for sustainable millennium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 47-50, Agricultural Society of Nigeria, 2006.
 
Trends in farm labour productivity and implications for cassava industrialisation in Nigeria, Ezedinma, C., Okarter, C., Asumugha, G.* and Nweke, F., in: Repositioning agriculture for sustainable millennium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 109-115, Agricultural Society of Nigeria, 2006.
 
Sustainable integrated management of whiteflies as vectors of viruses of cassava and sweetpotato: situation analysis of three farmers' groups in south eastern Nigeria, Okwusi, M.*, Ogbe, F., Nwauzor, E. C., Asumugha, G.*, Mbanasor, E.*, Akinpelu, A. O.*, Legg, J. and Emehute, J. K. U., in: Repositioning agriculture for sustainable millennium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 232-234, Agricultural Society of Nigeria, 2006.
 
Determination of micronutrients and colour variability among new plantain and banana hybrids flour, Adeniji, T. A., Sanni, L., Barimalaa, I. S.* and Hart, A. D.*, in: Repositioning agriculture for sustainable millennium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 471-475, Agricultural Society of Nigeria, 2006.
 
Involvement of women farmers in seed yam production in Abia state, Nigeria, Ironkwe, A., Unamma, R. P. A. and Asiedu, R., in: Repositioning agriculture for sustainable millennium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 610-614, Agricultural Society of Nigeria, 2006.
 
Evaluation of 5 hybrid yams for dry season yam production in lowland areas, Ikeorgu, J.* and Asiedu, R., in: Repositioning agriculture for sustainable millennium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 640-642, Agricultural Society of Nigeria, 2006.
 
Standard stake yield of 43 CMD cassava genotypes in 11 locations of Nigeria: implications for stem supply systems, Akoroda, M., Yomeni, M. O., Oyadiran, T. F., Dixon, A. and Okoro, E., in: Repositioning agriculture for sustainable millennium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 688-690, Agricultural Society of Nigeria, 2006.
 
Pattern of stake weight along the stem axis from its base and non emergence of planted stakes, Akoroda, M., Oyadiran, T. F., Yomeni, M. O., Okoro, E. and Dixon, A., in: Repositioning agriculture for sustainable millennium development goals in Nigeria: proceedings of the 40th annual conference of the Agricultural Society of Nigeria held at the National Root Crops Research Institute, Umudike, Abia State, 16-20 October, pages 758-763, Agricultural Society of Nigeria, 2006.