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C. O. Amadi

Publications (5)

Multi-Environments Evaluation of Elite Mutant Lines of Improved Ginger for Yield Stability and Selection

G. A. Iwo, C. O. Amadi, E. E. Obok, M. N. Abua, E. O. Odor, H. E. Kwon-Ndung, Garba Ali & Idris B. Maccido · Asian Journal of Research in Crop Science · 2026

A multi-location evaluation of 15 improved elite ginger mutant lines was conducted in the 2023 and 2024 cropping seasons across 10 states in Nigeria. The states were Abia, Bauchi, Benue, Borno, Cross River, Kaduna, Nasarawa, Osun, Plateau and FCT. The objective of the work was to...

Open access Research Article 10.9734/ajrcs/2026/v11i2417

Effect of Temperature Regimes on Morphological Development of Selected Canola (Brassica napus) Genotypes

J. S. Nwogha, G. A. Agenbag, J. E. Obidiegwu & C. O. Amadi · Journal of Agriculture and Ecology Research International · 2019

Seven canola genotypes selected from early and mid-maturing groups of canola genotypes presently planted in the Western Cape canola production area were grown in 3 litre plastic bags filled with a mixture of sand and compost at ratio of 1:1 and irrigated with fully balanced nutri...

Open access Research Article 10.9734/jaeri/2018/v17i230042

Socio-economic Factors Influencing Adoption of Exclusive Breastfeeding Practice by Nursing- Mothers in Selected Communities in Imo State, Nigeria

S. N. O. Ibe, O. Obasi, E. A. Nwoke, B. O. Nworu, C. O. Amadi & C. R. Nwufo · Journal of Advances in Medicine and Medical Research · 2016

Aim: To determine the influence of socio-economic characteristics of the nursing-mother on the adoption of exclusive breastfeeding practice, among rural nursing-mothers in Imo State, Nigeria. Study Design: This study employed descriptive survey design. Place and Duration of Study...

Open access Research Article 10.9734/BJMMR/2016/26299

Nutritional Qualities of Ginger Mutant Lines Grown in the Humid Tropical Agroecology of Nigeria

M. N. Abua, M. A. Ittah, E. E. Obok, G. A. Iwo, R. E. Edugbo & C. O. Amadi · Asian Journal of Advances in Agricultural Research · 2020

The present study was aimed to determine the variations in nutritional qualities of 15 mutant lines and two landraces of ginger (Zingiber officinale). Fifteen (15) gamma (γ)-ray induced mutants lines and two landraces of ginger were planted in 2017 early cropping season in the Te...

Open access Research Article 10.9734/ajaar/2020/v12i230080

GGE Biplot Analysis of Genotype by Environment Interaction and Yield Stability in African Yam Bean (Sphenostylis stenocarpa)

P. O. Ndubuisi, O. A. Oyatomi, E.E. Ekaette, B.D. Adewale, P.I. Okocha, M. Abberton & C. O. Amadi · Asian Journal of Advances in Agricultural Research · 2025

Aims: To identify the genotype(s) most suited for the test environments in Nigeria and to understand the nature of genotype-by-environment interaction (GEI) effects on AYB production. Study Design: Multi-environment trials combined with GGE biplot analysis to explore genetic inte...

Open access Research Article 10.9734/ajaar/2025/v25i5620