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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 (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
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(4): 3458-3464
DOI: https://doi.org/10.20546/ijcmas.2018.704.391


Estimation of Heterosis through Diallel Crosses in Maize (Zea mays L.) for Grain Yield and Protein Content
B.N. Brahmbhatt, G.V. Kuchhadiya*, M.A. Gosai, N.R. Joshi and K.G. Kanjariya
Department of Genetics and Plant breeding, AAU, Anand-388 110, Gujarat, India
*Corresponding author
Abstract:

The experiment comprised of twenty one maize hybrids generated from a 7 X 7 diallel cross, along with their parents and two standard check hybrids (Gujarat Maize 3 and HQPM 1). The analysis of variance revealed that all the characters studied exhibited highly significant genotypic differences. This indicated that experimental material under study had sufficient genetic diversity for different traits among females, males, hybrids and checks. As per the per se performance, for grain yield cross GWL 24 x CML 490 (196.23) having the highest value, while for protein content cross CML 264 x GWL 27 (12.75) were the best. The heterotic hybrid GWL 24 x CML 490 followed by cross CML 264 x GWL 22 registered significant heterosis in desired direction for grain yield. Whereas, the cross CML 264 x GWL 27 followed by CML 186 x GWL 28 registered significant and positive relative heterosis, heterobeltiosis and standard heterosis for protein content. The hybrids GWL 24 x CML 490, CML 264 x GWL 22 and CML 264 x GWL 27 showed high per se performance and higher heterotic effects which could be used to exploit commercially as single cross hybrid or synthetic/composite cultivars.


Keywords: Diallel crosses, Grain yield, Heterosis, Protein content, Significant
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How to cite this article:

Brahmbhatt, B.N., G.V. Kuchhadiya, M.A. Gosai, N.R. Joshi and Kanjariya, K.G. 2018. Estimation of Heterosis through Diallel Crosses in Maize (Zea mays L.) for Grain Yield and Protein Content.Int.J.Curr.Microbiol.App.Sci. 7(4): 3458-3464. doi: https://doi.org/10.20546/ijcmas.2018.704.391