Evaluation of Tomato Varieties for Morpho-Agronomy and Yield Attributes in Oyo State, Nigeria
DOI:
https://doi.org/10.47604/ijb.3846Keywords:
Genetic Advance (GA), Genotypes (G), Heredity, Performance, YieldAbstract
Purpose: Tomato seeds used in this study were sourced from the National Centre for Genetic Resources and Biotechnology (NACGRAB) located at Moor Plantation, Ibadan, Oyo State, Nigeria. The aim of this study is to assess tomato genotypes using morpho-agronomic traits with a view to identifying and selecting desirable traits in terms of fruit yield for further improvement in yield.
Methodology: The research was carried out during the 2025–2026 dry season under open field conditions at the Biology Research Farm of Oyo State College of Education, Lanlate, Oyo State. Ten improved tomato genotypes were evaluated for agronomic traits, morphological characteristics, and yield performance using a Randomized Complete Block Design (RCBD) with ten replications.
Findings: The study results demonstrated significant differences (p <0.001) among all measured parameters. The genotypes ‘NGB 00729’ achieved the greatest plant height (74 cm), closely followed by ‘NGB 00696’ (62 cm), while the shortest height was observed in ‘NGB 00715’ (21 cm). In terms of fruit production per plant, ‘NGB 00715’ recorded the highest mean number of fruits (33.31), followed by ‘NGB 00696’ (30.67). On the other hand, the lowest mean numbers of fruits per plant were observed in ‘NGB 02688’ and ‘NGB 00729’, with averages of 16.67 and 11.67, respectively. These variations were statistically significant (p<0.001). Among the varieties assessed, ‘NGB 00715’ excelled in parameters such as the number of trusses per plant, fruits per plant, and fruits per truss, despite its shorter plant height and smaller fruit weight and diameter.
Unique Contribution to Theory, Practice and Policy: The results of the present study showed, differential response in the tomatoes verities. Hence there is a great possibility of improvement in attributes of this vegetable crop. Based on its superior performance in these aspects, ‘NGB 00715’ is recommended for potential crossing with either ‘NGB 02685’, which exhibited the highest fruit weight and diameter, or ‘NGB 05076’, which achieved the highest fruit yield per plant (496.80 g) and per hectare (13,800.00 g). Such hybridization efforts could effectively enhance yield and overall productivity in tomato cultivation.
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