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E. O. Ojua

Publications (11)

Genotype × Environment Interaction for Germination and Seedling Emergence of Bambara Groundnut (Vigna subterranea L.) under Contrasting Agro-ecological Conditions in Nigeria

A. O. Onimisi, E. O. Ojua, V. B. Kwaya & N. Nadab · Asian Plant Research Journal · 2026

Aims: This study evaluated the effects of genotype × environment interaction on germination rate and days to 50% seedling emergence of 30 Bambara groundnut accessions across three contrasting locations in Nigeria. Study Design:  Randomised complete block design. Place and Duratio...

Open access Research Article 10.9734/aprj/2026/v14i5397

Comparative Studies of the Shear Strength Property of Two Members of the Fabaceae Family with Respect to Their Fibres

A. E. Nweze, E. O. Ojua, G. C. Ajuziogu & I. E. Ngele · Current Journal of Applied Science and Technology · 2021

Aim: The shear strength of wood is a very significant parameter required in describing the potential of woods in making wooden structure. This study is aimed at comparing the shear strength of Pentaclethra macrophylla and Erythrophleum suaveolens with respect to their fibre. This...

Open access Research Article 10.9734/cjast/2021/v40i631319

Induction of Variability in Three Nigerian Pepper Varieties using Gamma Irradiation

N. E. Abu, E. O. Ojua & O. U. Udensi · Journal of Experimental Agriculture International · 2020

This study was aimed at inducing mutation on three cultivars of Capsicum annuum L. to source for new and favourable genetic variations that could be exploited for better agronomic traits. The mutation was induced by exposing the seeds of Shombo, Tatase and Nsukka yellow pepper to...

Open access Research Article 10.9734/jeai/2020/v42i430505

Comparing Calibration Product Type Estimators of Population Mean In Stratified Sampling under Two Constraints Using Different Distance Measures

D. N. Ojua, J. A. Abuchu, E. O. Ojua & E. I. Enang · Journal of Advances in Mathematics and Computer Science · 2021

Calibration approach adjusts the original design weights by incorporating an auxiliary variable into it, to make the estimator be in the form of a regression estimator. This method was employed to propose calibration product type estimators using three distance measures namely; c...

Open access Research Article 10.9734/jamcs/2021/v36i930397

Effect of Different Mutagens on Some Mineral, Phytochemical and Proximate Composition of Two Red Pepper Varieties

N. E. Abu, J. O. Omeke & E. O. Ojua · Annual Research & Review in Biology · 2019

Aim: This research was designed to evaluate the effects of different levels of three mutagens on two pepper varieties with a vision of choosing mutants with high values in biochemical contents that may possibly be valuable in breeding improved varieties of the plant. Methods: See...

Open access Research Article 10.9734/arrb/2019/v33i230116

Determination of Swelling and Dimensional Stability of Some Nigerian Timber Species

G. C. Ajuziogu, A. N. Amujiri, E. U. Njoku, C. B. Ozokolie & E. O. Ojua · Annual Research & Review in Biology · 2020

Aim: The absorption of moisture and dimensional distortion are the major shortcomings of wood utilization as building and furniture materials. This study was aimed at determining the moisture content, swelling ability and dimension stability of five selected timber species. Metho...

Open access Research Article 10.9734/arrb/2020/v35i130177

Assessment of Hydraulic Conductivity of Some Nigerian Hardwood Timbers to Four Timber Treatment Chemicals through Quantitative Anatomical Studies

G. C. Ajuziogu, R. C. Njokuocha, N. M. Eze, I. E. Ngele, G. N. Ogbuagu & E. O. Ojua · Annual Research & Review in Biology · 2020

Aim: Hydraulic conductivity following the Hagen-Poiseuille Law is a quantitative approach to determine the treatability of wood by chemicals. The hydraulic conductivities of the ten selected Nigerian hardwood timber species to four wood treatment chemicals were estimated, using H...

Open access Research Article 10.9734/arrb/2020/v35i630235

Effect of Crude Oil Concentrations on the Vascular Bundle Size of Two Maize Varieties

G. C. Ajuziogu, N. E. Abu, D. O. Aino, S. Ideyi, O. E. Udoh & E. O. Ojua · International Journal of Plant & Soil Science · 2019

The reliance of humanity on fossil fuels particularly petroleum hydrocarbons has been on the increase and had led to increased pollution of agricultural lands. This study was aimed at investigating the effect of crude oil concentrations on the vascular bundle sizes of two Zea may...

Open access Research Article 10.9734/ijpss/2019/v30i530187

Bacteriological Profile of Roasted Cashew Nuts within Makurdi Metropolis, Benue State, Nigeria

J. B. Agbese, F. O. Okwuenu, C. V. Udeogu, U. I. Igwe, S. G. Ekemezie, O. M. Oluwadara, K. U. Chukukereze, P. I. Nwagbo & E. O. Ojua · Asian Journal of Food Research and Nutrition · 2026

Background: Cashew nuts (Anacardium occidentale L.) are widely consumed for their nutritional and industrial value, but post-harvest handling may expose them to microbial contamination with possible public-health implications. Aims: This study examined the bacteriological profile...

Open access Research Article 10.9734/ajfrn/2026/v5i3407