Alex williams ayarna profile image

Alex williams ayarna

SENIOR RESEARCH FELLOW

Verified email at ug.edu.gh Research Fellow, University of Ghana Google Scholar

CollegeCOLLEGE OF BASIC & APPLIED SC.
School / InstituteCOLLEGE OF BASIC & APPLIED SC.
DepartmentFOREST AND HORTICULTURAL CROP RESEARCH CENTRE
GreenhouseHydroponicsavocadolow substrate volume culture
Publications

14

Citations

139

H-index

7

i10-index

5

Publication activity
Publication statistics
Average citations
9.9
Most cited paper
33
First publication year
1900
Latest publication year
2026
Last updated
14 Sep 2026, 10:05
Publications

14 matching publications

PublicationYearJournalThematic areaCitations
Grafting onto African eggplant enhances growth, yield and fruit quality of tomatoes in tropical forest ecozones
GO Nkansah, AK Ahwireng, C Amoatey, AW Ayarna
2013 Journal of applied Horticulture 15 (1), 16-20, 2013 Agriculture 33
Morphological and yield evaluation of some capsicum pepper lines in two agro-ecological zones of Ghana
GO Nkansah, A Ayarna, TJ Gbokie
2011 Journal of Agronomy 10 (3), 84-91, 2011 Natural Sciences 25
Genetic diversity among local and introduced avocado germplasm based on morpho-agronomic traits.
GO Nkansah, KG Ofosu-Budu, AW Ayarna
2013 Agriculture 24
Growth and yield performance of bird eye pepper in the forest ecological zone of Ghana
GO Nkansah, KG Ofosu-Budu, AW Ayarna
2011 Journal of Applied Biosciences 47, 3235-3241, 2011 Natural Sciences 22
Effect of root restriction on the performance of three-truss cultivated tomato in the low-node pinching order at high-density cultivation system
AW Ayarna, S Tsukagoshi, G Oduro Nkansah
2021 Horticulturae 7 (3), 60, 2021 Agriculture 13
Effect of plant density on the yield of hydroponically grown heat-tolerant tomato under summer temperature conditions
AW Ayarna, S Tsukagoshi, GO Nkansah, K Maeda, AW Ayarna, ...
2021 American Journal of Plant Sciences 12 (06), 901-913, 2021 Agriculture 9
Effect of spacing and topping on the performance of hydroponically grown tomato under tropical conditions
AW Ayarna, S Tsukagoshi, GO Nkansah, K Maeda
2019 Journal of Agriculture and Crops 5 (2), 23-30, 2019 Agriculture 7
Avocado germplasm conservation and improvement in Ghana
GO Nkansah, KG Ofosu-Budu, AW Ayarna
2011 Proceedings of the VII World Avocado Congress, 2011 Natural Sciences 4
Evaluation of Okra (Abelmoschus Esculentus) Lines for Fruit Quality and Yield Performances Under Open-Field and Greenhouse Conditions
PA Ofori, O Reindorf, JN Amissah, S Owusu-Nketia, F Opoku-Agyemang, ...
1900 Available at SSRN 4265334, 0 Agriculture 2
The Resilience Status of the Sesame Plant Against Weeds and Insects
HO Sintim, AW Ayarna, D Dickson, M Bukari
2026 Advances in Agriculture 2026 (1), 6695102, 2026 Agriculture 0
Effect of partial-extreme root restriction and nutrient solution concentration on the performance of hydroponically grown tomato
AW Ayarna, S Tsukagoshi, HO Sintim, J Ulzen, JN Amissah, M Bukari, ...
2025 Advances in Horticultural Science 39 (2), 113-123, 2025 Agriculture 0
Grafting experience and shade influences graft take of avocado scions
AW Ayarna, S Adjei-Nsiah, S Tsukagoshi, J Ulsen, HO Sintim, PS Aduse, ...
2024 Agriculture 0
Evaluation of the physio-morphological characteristics and productivity of tomato cultivars in the tropics using the low-node pinching order at high-density tivation in …
AW AYARNA
2022 (No Title), 2022 Agriculture 0
Effect of Root Restriction on the Performance of Three-Truss Cultivated Tomato in the Low-Node Pinching Order at High-Density Cultivation System. Horticulturae 2021, 7, 60
AW Ayarna, S Tsukagoshi, G Oduro Nkansah
2021 s Note: MDPI stays neutral with regard to jurisdictional claims in published …, 2021 Agriculture 0