Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

R. Okechukwu · SciRah

Researcher profile · Semantic Scholar

R. Okechukwu

Share profile

R. Okechukwu — researcher profile on SciRah

h-index: 13
Works: 34
Citations: 474

Most-cited papers

Awareness and adoption of improved cassava varieties and processing technologies in Nigeria
T. Abdoulaye, A. Abass, B. Maziya-Dixon, G. Tarawali +5 more
201494 citations Open access
Semantic Scholar
Status of Cassava Begomoviruses and Their New Natural Hosts in Nigeria.
F. Ogbe, A. G. O. Dixon, J. Hughes, O. Alabi +1 more
2006Plant Disease53 citations Open access
Semantic Scholar
Adoption of selected improved cassava varieties among smallholder farmers in South-Eastern Nigeria
U. Udensi, G. Tarawali, Ebere U. Favour, G. Asumugha +6 more
201140 citations
Semantic Scholar
Evaluation of the nutritional composition ofthe seeds of some selected African yam bean (Sphenostylis stenocarpa Hochst Ex. A. Rich (Harms)) accessions
S. Baiyeri, M. Uguru, P. Ogbonna, C. Samuel-Baiyeri +3 more
2018Agro-Science38 citations Open access
Semantic Scholar
Spatial Integration and Price Transmission in Selected Cassava Products' Markets in Nigeria: A Case of Gari
I. A. Ojiako, C. Ezedinma, R. Okechukwu, G. Asumugha
201320 citations
Semantic Scholar
Growing cassava: a training manual from production to postharvest
A. Abass, E. Towo, I. Mukuka, R. Okechukwu +3 more
201419 citations
Semantic Scholar
Genetic Gain in Yield and Agronomic Characteristics of Cowpea Cultivars Developed in the Sudan Savannas of Nigeria over the Past Three Decades
A. Kamara, H. Tefera, S. Ewansiha, H. Ajeigbe +3 more
201119 citations
Semantic Scholar
Sources of Resistance to Cowpea Bacterial Blight Disease in Nigeria
R. Okechukwu, E. Ekpo
200419 citations
Semantic Scholar
Sustainable environmental management in Nigeria
M. F. Ivbijaro, F. Akintola, R. Okechukwu
200617 citations
Semantic Scholar
Comparative evaluation of the contributions of soil physicochemical properties to variations in the yields of four major staple food crops in eastern Nigeria
C. A. Asadu, A. Dixon, R. Okechukwu
200217 citations
Semantic Scholar
Seed to plant transmission of Xanthomonas campestris pv. vignicola isolates in cowpea
R. Okechukwu, E. Ekpo, O. C. Okechukwu
201016 citations
Semantic Scholar
Successful innovations and lessons learnt in cassava improvement and deployment by IITA in the Eastern African Region
P. Ntawuruhunga, A. Dixon, E. Kanju, G. Ssemakula +11 more
201315 citations
Semantic Scholar
Reactions of cowpea to infection by Macrophomina phaseolina isolates from leguminous plants in Nigeria.
N. A. Amusa, R. Okechukwu, B. Akinfenwa
200714 citations
Semantic Scholar
Improvements in grain and fodder yield of cowpea (Vigna unguiculata) varieties developed in the Sudan savannas of Nigeria over the past four decades
A. Kamara, S. Ewansiha, H. Ajeigbe, R. Okechukwu +3 more
201212 citations
Semantic Scholar
Prevalence and severity of bacterial blight and anthracnose diseases of cassava in different agro- ecological zones of Nigeria
T. J. Onyeka, O. Owolade, A. Ogunjobi, A. Dixon +3 more
200812 citations
Semantic Scholar
Yield depression in cowpea cultivars infected with Xanthomonas campestris pv. vignicola in Sudan savanna of Nigeria.
R. Okechukwu, E. Ekpo, D. Florini
200011 citations
Semantic Scholar
Marketing of gari in Benin City and Enugu, Nigeria
C. Ezedinma, L. Sanni, R. Okechukwu
200510 citations
Semantic Scholar
Profitability of Cassava Production: Comparing the Actual and Potential Returns on Investment Among Smallholders in Southern Nigeria
I. A. Ojiako, G. Tarawali, R. Okechukwu, J. Chianu +2 more
20188 citations
Semantic Scholar
Determinants of productivity of smallholder farmers supplying cassava to starch processors in Nigeria: a baseline evidence
A. Ifeanyi, G. Tarawali, R. Okechukwu, J. Chianu
20176 citations Open access
Semantic Scholar
Assessment of farmers' ield for root rot disease on improved cassava varieties released in Nigeria
C. Afolabi, O. C. Okechukwu, I. A. Kehinde, R. Okechukwu
20116 citations
Semantic Scholar
Comparative virulence of bacterial blight (Xanthomonas campestris pv. vignicola) isolates and their effect on yield components of cowpea (Vigna unguiculata)
E. Ekpo, G. A. Shoaga, R. Okechukwu
20015 citations
Semantic Scholar
Influence of agronomic and climatic factors on root crop's production: An econometric estimation of cassava supply response in Nigeria, 1961–2008
I. A. Ojiako, R. Okechukwu, G. Tarawali, A. Idowu +1 more
20144 citations Open access
Semantic Scholar
Residual effects of fertilizer application on growth and yield of two cassava varieties in Ibadan, southwestern Nigeria
M. Edet, H. Tijani-Eniola, R. Okechukwu
20134 citations
Semantic Scholar
Efficiency and Its Determinants Among Smallholder Farming Units Supplying Cassava to Commercial Starch Processors in Nigeria: Data Envelopment Analysis Approach
I. A. Ojiako, G. Tarawali, R. Okechukwu, J. Chianu +2 more
20183 citations
Semantic Scholar
Comparative evaluation of organomineral fertilizer and NPK 151515 on growyh and yield of cassava varieties in Ibadan, southwestern Nigeria
M. Edet, H. Tijani-Eniola, R. Okechukwu
20133 citations
Semantic Scholar
Design and fabrication of a flash dryer for the production of high quality cassava flour
A. Kuye, D. Ayo, L. Sanni, A. Raji +9 more
20113 citations
Semantic Scholar
Household characteristics and market participation competence of smallholder farmers supplying cassava to starch processors in Nigeria
I. A. Ojiako, G. Tarawali, R. Okechukwu, J. Chianu
20172 citations Open access
Semantic Scholar
Spatial Integration and Price Transmission in Selected Rural and Urban Markets for Cassava Fresh Roots in Nigeria
I. A. Ojiako, G. Tarawali, C. Ezedinma, R. Okechukwu
20142 citations
Semantic Scholar
Inter-project linkages to create cassava enterprises for expanded markets and utilization
P. Ntawuruhunga, B. James, L. Sanni, V. Sandifolo +3 more
20121 citations
Semantic Scholar
Reaction of selected cowpea (vigna unguiculata L. walp) breeding lines to xanthornonas compestris pv.
R. Okechukwu, N. A. Amusa
19981 citations
Semantic Scholar
An impact assessment of the cassava enterprise development project
G. Tarawali, T. Abdoulaye, J. Ellis-Jones, G. Asumugha +7 more
20130 citations
Semantic Scholar
Analysis of relationships between production of yam (Dioscorea spp.) and its determinants in Nigeria: A cointegration approach
I. A. Ojiako, G. Tarawali, B. Akwarandu, R. Okechukwu +1 more
20130 citations
Semantic Scholar
Competitiveness of Root Crops for Accelerating Africa’s Economic Growth, 12th Triennial Symposium of International Society for Tropical Root Crops Africa Branch (ISTRCAB), Accra, Ghana, 30 September- 5 October 2013
R. Okechukwu, P. Ntawuruhunga, N. Dziedzoave, J. Manu-Aduening +2 more
20130 citations
Semantic Scholar
Program E: Enhancing livelihoods in the humid and subhumid zones of West and Central Africa through profitable and sustainable intensification of diverse agricultural systems
M. Akoroda, K. Amegbeto, R. Asiedu, A. Attey +52 more
20040 citations
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

G. Tarawali×14
Invite
G. Tarawali — researcher profile on SciRah
I. A. Ojiako×7
Invite
I. A. Ojiako — researcher profile on SciRah
C. Ezedinma×6
Invite
C. Ezedinma — researcher profile on SciRah
L. Sanni×5
Invite
L. Sanni — researcher profile on SciRah

×4

Invite

E. Ekpo — researcher profile on SciRah

Invite

M. Edet — researcher profile on SciRah

Invite

A. Abass — researcher profile on SciRah

Invite

G. Asumugha — researcher profile on SciRah

P. Ntawuruhunga×3

Invite

P. Ntawuruhunga — researcher profile on SciRah

Invite

J. Chianu — researcher profile on SciRah

T. Abdoulaye×2

Invite

T. Abdoulaye — researcher profile on SciRah

Invite

F. Ogbe — researcher profile on SciRah