International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 6, Issue:11, November, 2017

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.2017.6(11): 3939-3949

Genetic Studies for Different Seed Traits in Cucumber (Cucumis sativus L)
Manisha Thakur1*, Ramesh Kumar1, Rajesh Kanwar2 and D.K. Mehta1
1Department of Vegetable Science
2Department of Seed Science and Technology, Dr YS Parmar University of Horticulture and Forestry, Nauni-173 230, Solan, HP, India
*Corresponding author

The present investigation was carried out to study the mean performance, heterosis, combining ability and gene action for different seed traits viz., seed germination, seed vigour index-I, seed vigour index-II and fruit yield in 15 F1 crosses, developed by crossing 6 genotypes during the year 2015. The seeds of all parents and their crosses, along with standard check (KH-1) were assessed for different seed traits (under laboratory conditions) and fruit yield (under open field conditions) during the year 2016. Experimental results revealed that genotypes PI-618860, Khira-75, UHF-CUC-1 and UHF-CUC-2 were found superior on the basis of mean performance, heterosis and general combining ability studies. The cross combinations viz., Khira-75 x PI-618860, Khira-75 x UHF-CUC-1, Khira-75 x UHF-CUC-2 and Khira-75 x PI-618860, UHF-CUC-1 x PI-618860, UHF-CUC-3 x Poinsette, UHF-CUC-3 x PI-618860 were found best on the basis of mean performance, heterosis and specific combining ability studies respectively. Further, Gene action studies indicated the predominant role of non-additive gene action for the control of all the traits under study; hence heterosis breeding can be utilized for the genetic improvement of seed vigour and yield traits in cucumber.

Keywords: Combining ability, Gene action, Heterosis, Seed germination, Seed vigour index-I and II.

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How to cite this article:

Manisha Thakur, Ramesh Kumar, Rajesh Kanwar and Mehta, D.K. 2017. Genetic Studies for Different Seed Traits in Cucumber (Cucumis sativus L).Int.J.Curr.Microbiol.App.Sci. 6(11): 3939-3949. doi:
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