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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

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

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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.2017.6(6): 1576-1582
DOI: https://doi.org/10.20546/ijcmas.2017.606.185


GCA and SCA for Fruit Parameters of Okra (Abelmoschus esculentus L. Moench)
Valluru Manju Vani1*, B.K. Singh1 and S.V.S. Raju2
1Department of Horticulture, 2Department of Entomology and Agricultural Zoology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi-221 005, Uttar Pradesh, India
*Corresponding author
Abstract:

Combining ability effects of yield and its components in okra were studied through full diallel analysis of 66 F1 hybrids derived by crossing 12 nearly homozygous germplasm lines viz., IC- 45831, IC- 282272, IC- 43733, IC- 43750, IC- 45802, Sel – 4, Pusa Mukhmali, Parbhani Kranti, VRO- 3, Sel – 10, Pusa A-4 and SB – 8 and by using Arka Anamika as check. Out of these 12 genotypes, IC-45802, Parbhani Kranti and VRO-3 exhibited highest significant GCA effect for fruit yield per plant (g) and subsequent fruit yield per hectare (q). High GCA effects were attributed to additive or additive x additive gene effects, which represent the fixable genetic components of variance. Of the top three cross combinations showing positively significant SCA effects for total fruit yield per plant and fruit yield per hectare were, IC-45802 × SB-8 (49.85), IC-45802 × Pusa A-4 (48.46) and IC-282272 × Sel-4 (48.07). The first two crosses involved high x low general combiners as parents, while the remaining cross involved low x low general combiners as parents. High performance of these crosses may be attributed to additive x additive (high x high), additive x dominance (high x low) or dominance x dominance (low x low) epistatic interactions. Superiority of the cross combinations involving high x low or low x low general combiners as parents may be attributed to the genetic diversity in the form of number of heterozygous loci of the parents involved in the cross combinations


Keywords: Combining ability effects, Full diallel analysis, GCA, Genotypes and SCA.
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How to cite this article:

Valluru Manju Vani, B.K. Singh and Raju, S.V.S. 2017. GCA and SCA for fruit parameters of okra (Abelmoschus esculentus L. Moench).Int.J.Curr.Microbiol.App.Sci. 6(6): 1576-1582. doi: https://doi.org/10.20546/ijcmas.2017.606.185