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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
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Index Copernicus ICV 2017: 100.00
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Int.J.Curr.Microbiol.App.Sci.2018.7(10): 2287-2291
DOI: https://doi.org/10.20546/ijcmas.2018.710.264


Combining Ability Studies for Growth and Quality Characters in Tomato (Solanum lycopersicum L.)
Y. Madhavi1*, R.V.S.K. Reddy2 and C. Sreenivasa Reddy1
1Department of Vegetable Science, College of Horticulture, Dr. Y.S.R.H.U, Rajendranagar, Hyderabad – 500 030, India
2Vegetable Reasearch Station, Dr. Y.S.R.H.U, Rajendranagar, Hyderabad – 500 030, India
3Krishi Vigyan Kendra, Kalyandurg, Anthapuraram, Andhra Pradesh – 515 761, India
*Corresponding author
Abstract:

General and specific combining abilities (GCA and SCA) were estimated using six lines of tomato (Solanum lycopersicum L.) and three testers and their F1 hybrids, bred in line x tester fashion. The present study revealed that none of the parent was best combiner for all the traits indicating differences in genetic variability for different characters among the parents. Line x tester effect was found significant for all the characters under the study except for plant height. The magnitude of gca and sca variances indicated importance of additive as well as non-additive gene action with predominance non-additive action for all the traits except plant height. Lines, LE-56 was found good general combiner for ascorbic acid, total carotenoids, reducing sugars, total sugars and lycopene content; LE-62 for plant height, TSS, reducing sugars and total sugars. Similarly tester, Punjab Chhuhara for total carotenoids and lycopene; tester Pusa Gaurav was found to be good combiner for plant height, reducing sugars and total sugars. F1 hybrids from cross combinations, LE-62 × Punjab Chhuhara were recorded with good specific combiner for number of primary branches per plant, total carotenoids, reducing sugars, total sugars and lycopene; LE-64 × Punjab Chhuhara for ascorbic acid, total carotenoids and lycopene; EC-165749 X Pusa Gaurav for TSS, reducing sugars and total sugars.


Keywords: General combining ability, Specific combining ability, Gene action, Line and tester, Tomato
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How to cite this article:

Madhavi, Y., R.V.S.K. Reddy and Sreenivasa Reddy, C. 2018. Combining Ability Studies for Growth and Quality Characters in Tomato (Solanum lycopersicum L.).Int.J.Curr.Microbiol.App.Sci. 7(10): 2287-2291. doi: https://doi.org/10.20546/ijcmas.2018.710.264