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Genetic association analysis in advance tomato (Solanum lycopersicum L.) lines for horticultural and yield contributing traits
Shubham Sharma
Salesh Kumar Jindal
S. A. H. Patel
Abhishek Sharma
Neena Chawla
Trends in Horticulture 2024, 7(1); https://doi.org/10.24294/th.v7i1.4090
Submitted:08 Jan 2024
Accepted:19 Jan 2024
Published:02 Feb 2024
Abstract

Twenty-two tomato (Solanum lycopersicum L.) genotypes were examined for correlation and path analysis in the randomized block design under open field conditions. Total fruit yield showed a significant positive correlation with the number of fruits per plant, average fruit weight, lycopene content, and percent seedling survival in the field at both the genotypic and phenotypic levels. A strong correlation between these characters revealed that selection based on these characters would consequently improve the total fruit yield. Path analysis showed that the number of fruits per plant, average fruit weight, percent seedling survival in the nursery, and number of locules per fruit exhibited high positive direct phenotypic effects on total fruit yield, whereas the number of fruits per plant, average fruit weight, percent seedling survival in the field, and pollen viability had very high positive direct genotypic effects. Therefore, to increase the yield, it would be profitable to prioritize these traits in the selection program.

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