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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
For more details click here

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Original Research Articles

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

Int.J.Curr.Microbiol.App.Sci.2020.9(1): 2206-2215
DOI: https://doi.org/10.20546/ijcmas.2020.901.250


Combining Ability Studies and the Gene Action involved in Sunflower Lines
Harshavardan J. Hilli*, ShobhaImmadi, C. D Soregaon, S. Hilli and Nishant S. Bankapur
Department of Genetics and Plant Breeding, College of Agriculture, Vijayapura, University of Agricultural Sciences, Dharwad-580005, Karnataka, India
*Corresponding author
Abstract:

5 CMS lines (as female lines) and 8 lines as a testers (used as males) for hybridisation in Line × Tester fashion to study combining ability i.e general and specific combining ability and also the gene action involved. All the F1hybrid combinations were further evaluated in kharif 2018 for combining ability studies for 10 different traits. Testers used showed significant variance for all the traits except for test weight and days to maturity, where as lines exhibited significant variance for all the traits. From the present investigation it was observed that none of the testers showed good gca effect for all the traits studied. But DSR-132 recorded significant gca effect for six traits viz, plant height, SPAD at 60 DAS, days to flowering, head diameter, days to maturity and seed yield per ha. Similarly the line (which was used as female parent ) CMS 7-1-1A recorded better gca effect for plant height, days to 50 %flowering, seed yield per hectare and oil content None of the hybrid combinations showed significant sca effect for all the traits studied, but the combination 4546 × DSF2 A × DSR-132 recorded high and significant sca effect for the traits viz, days to 50 percent flowering, SPAD chlorophyll content at 60 DAS, head diameter, test weight, seed yield per hectare, oil content and oil yield.


Keywords: Kharif,Sunflower Lines, chlorophyll
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How to cite this article:

Harshavardan J. Hilli, ShobhaImmadi, C. D Soregaon, J. S. Hilli and Nishant S. Bankapur. 2020. Combining Ability Studies and the Gene Action Involved in Sunflower Lines.Int.J.Curr.Microbiol.App.Sci. 9(1): 2206-2215. doi: https://doi.org/10.20546/ijcmas.2020.901.250