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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 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
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(10): 2227-2232
DOI: https://doi.org/10.20546/ijcmas.2017.610.263


Evaluation of Maize Genotypes (Zea mays L.) for Variability, Heritability and Genetic Advance
K. Sravanti1*, I. Swarnalatha Devi2, M.R. Sudarshan2 and K. Supriya2
1Department of Genetics and Plant Breeding, College of Agriculture, Rajendranagar-500030, Hyderabad, Telangana, India
2PJTSAU, Rajendranagar, Hyderabad-500030, Telangana, India
*Corresponding author
Abstract:

The present investigation was carried out to assess the variability, heritability and genetic advance in fourty two maize genotypes for twelve yield and its contributing traits. The analysis of variance revealed the presence of significant variability among the maize genotypes under study. Among all the characters under study, ear eight exhibited highest PCV (27.52) and GCV (26.42), whereas lowest PCV (3.45) and GCV (3.07) were recorded for days to maturity. Ear height and grain yield/plant expressed high heritability coupled with high genetic advance, which indicated the preponderance of additive gene action in controlling the traits. Hence direct selection of such characters would be effective in improving the yield. Emphasis should be given on these characters, while selection to improve yield potential of crop.


Keywords: Genetic advance, Genotypic coefficient of variation, Heritability and phenotypic coefficient of variation.
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How to cite this article:

Sravanti, K., I. Swarnalatha Devi, M.R. Sudarshan and Supriya, K. 2017. Evaluation of Maize Genotypes (Zea mays L.) for Variability, Heritability and Genetic Advance.Int.J.Curr.Microbiol.App.Sci. 6(10): 2227-2232. doi: https://doi.org/10.20546/ijcmas.2017.610.263