International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:6, June, 2018

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(6): 3682-3686

Studies on Heterosis and Inbreeding Depression for Quality Traits and Yield in Tomato (Solanum lycopersicum L.)
M. Sunil Kumar1*, A. K. Pal2 and Anil K. Singh2
1(Horticulture), PJTSAU, Hyderabad, Telangana, India
2Institute of Agricultural Sciences, BHU, Varanasi, India

*Corresponding author

Thirteen parental lines along with their 30 hybrid combinations produced by crossing in Line × Tester mating design were evaluated for heterosis and inbreeding depression of fruit quality traits and yield viz., total soluble solids (TSS), titratable acidity, ascorbic acid, fruit pH, lycopene, total sugars, reducing sugars, non-reducing sugars and total yield per plant. Highest heterotic effects for quality traits and yield over standard checks (SH1 and SH2) was observed for total yield per plant (kg) followed by titrable acidity (%), ascorbic acid (mg/100g), total soluble solids (ºBrix) and lycopene content (mg/100g). Inbreeding depression was also observed for different cross combinations. The crosses with significant heterosis in F1 could be used for the improvement of tomato for quality traits and yield.

Keywords: Quality traits and yield, hybrid, heterotic effects, inbreeding depression

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How to cite this article:

Sunil Kumar M., A. K. Pal and Anil K. Singh. 2018. Studies on Heterosis and Inbreeding Depression for Quality Traits and Yield in Tomato (Solanum lycopersicum L.).Int.J.Curr.Microbiol.App.Sci. 7(6): 3682-3686. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.