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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.
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39 For more details click here
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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.2017.6(10): 3434-3442
DOI: https://doi.org/10.20546/ijcmas.2017.610.405


Heterosis and Combining Ability Studies in Sweet Sorghum [Sorghum bicolor (L.) Moench] for Green Fodder Yield and Its Contributing Traits
T. Soujanya1*, T. Shashikala2 and A.V. Umakanth3
1Department of Genetics and Plant breeding, College of Agriculture, PJTSAU, Telangana, India
2AICRP on Forage Crops, ARI, Rajendranagar, Hyderabad, 500030, Telangana, India
3ICAR-Indian Institute of Millets Research, Hyderabad 500 030, Telangana, India
*Corresponding author
Abstract:

An experiment was conducted to exploit heterosis in F1 hybrids of sweet sorghum (Sorghum bicolor L.) and to identify parents with desirable genetic effects with respect to single-cut green fodder yield and its component traits. 48 F1 hybrids were evaluated to assess general and specific combining ability and gene action governing the green fodder yield and its attributing traits. Analysis of variance revealed the presence of sufficient variation in the experimental material. The SCA variance was greater in magnitude than GCA variance for most of the traits under study indicating predominance of non-additive gene action in the genetic control of those traits. Line 185A and testers RSSV138-1, RSSV466 and RSSV404 emerged as good general combiners for single-cut green fodder yield. Based on sca effects, 185A x RSSV466, 185A x RSSV138-1, PMS71A x RSSV138-1 and PMS71A x RSSV404 were identified as good specific combiners for green fodder yield and its attributing traits.185A x RSSV466 recorded maximum single-cut green fodder yield with 12.53 per cent heterosis over the best check CSV30F.


Keywords: Standard heterosis, Combining ability, Sweet sorghum, Green fodder yield.
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How to cite this article:

Soujanya, T., T. Shashikala and Umakanth, A.V. 2017. Heterosis and Combining Ability Studies in Sweet Sorghum [Sorghum bicolor (L.) Moench] for Green Fodder Yield and Its Contributing Traits.Int.J.Curr.Microbiol.App.Sci. 6(10): 3434-3442. doi: https://doi.org/10.20546/ijcmas.2017.610.405