Onyeka, T.    

Firstname:T. 
Surname:Onyeka 
Email: 
Institute:IITA 
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13 publications (0 read)

6 Keywords relate to this author

Anthracnose
Bacterial blight
Cassava
Colletotrichum gloeosporioides prevalence
Severity
Xanthomonas axonopodis




Publications as Author



2008

Prevalence and severity of bacterial blight and anthracnose diseases of cassava in different agro-ecological zones of Nigeria, Onyeka, T., Owolade, F., Ogunjobi, A.*, Dixon, A., Okechukwu, R., Bandyopadhyay, R. and Bamkefa, B., in: African Journal of Agricultural Research, volume 3, number 4, pages 297-304, ISSN 1991-637X, 2008.
 

2007

Severity of anthracnose and virus diseases of water yam (dioscorea alata L.) in NIgeria I: effects of yam genotype and date of planting, Egesi, C. N.*, Onyeka, T. and Asiedu, R., in: Crop Protection, volume 26, number 8, pages 1259-1265, ISSN 0261-2194, 2007.
 
Survey of the distribution and current status of bacterial blight and fungal diseases of cassava in Nigeria, Bamkefa, B., Onyeka, T., Dixon, A. and Bandyopadhyay, R., in: Proceedings of 9th ISTRC-AB symposium, pages 683-692, Mombasa, Kenya, 2007.
 

2005

Assessment of laboratory methods for evaluating cassava genotypes for resistance to root rot disease, Onyeka, T., Dixon, A. and Ekpo, E.*, in: Mycopathologia, volume 159, number 3, pages 461-467, ISSN 0301-486X, 2005. [DOI]
 
Identification of levels of resistance to cassava root rot disease (Botryodiplodia theobromae) in African landraces and improved germplasm using In vitro inoculation method, Onyeka, T., Dixon, A. and Ekpo, E.*, in: Euphytica, volume 145, number 3, pages 281-288, ISSN 0014-2336, 2005.
 
Field evaluation of root rot disease and relationship between disease severity and yield in cassava, Onyeka, T., Dixon, A. and Ekpo, E.*, in: Experimental Agriculture, volume 41, number 3, pages 357-363, 2005.
 
Virulence and host-pathogen interaction of Botryodiplodia theobromae isolates of cassava root rot disease, Onyeka, T., Ekpo, E.* and Dixon, A., in: Journal of Phytopathology, volume 153, number 11-12, pages 726-729, 2005.
 
Distribution and current status of bacterial blight and fungal diseases of cassava in Nigeria: ICP technical report 01, Onyeka, T., Dixon, A., Bandyopadhyay, R., Okechukwu, R. and Bamkefa, B., 2005.
 

2004

Distribution of bacterial blight and fungal diseases of cassava in Nigeria, Bamkefa, B., Onyeka, T., Dixon, A., Okechukwu, R. and Bandyopadhyay, R., in: Ninth Triennial Symposium of the International Society for Tropical Root Crops - Africa Branch, 31 October-5 November 2004, Mombasa, Kenya, 2004.
 
Distribution of bacterial blight and fungal diseases of cassava in Cameroon, Bamkefa, B., Onyeka, T., Dixon, A., Okechukwu, R. and Bandyopadhyay, R., in: Triennial Symposium of the ISTRC - Africa Branch 31 October-5 November 2004, Mombasa, Kenya, 2004.
 
Cassava root-rot disease in West Africa: review of recent literature and the field situation in Nigeria, Onyeka, T., Ekpo, E.* and Dixon, A., in: The small processor and development of local food industries for market economy: proceedings of the 8th Symposium of the International Society for Tropical Root Crops-Africa Branch (ISTRC-AB), 12-16 November 2001, IITA, Ibadan, Nigeria, pages 584-588, 2004.
 

2001

Reactions of elite cassava genotypes to root rot disease and the role of different microorganisms, Onyeka, T., Dixon, A., Ikotun, T.* and Wydra, K., pages 648-652, Government of Benin, 2001.
 

Publications as Editor

2004

Survey of the distribution and current status of bacterial blight and fungal diseases of cassava in Nigeria, International Institute of Tropical Agriculture (IITA), 2004.