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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 (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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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.2018.7(9): 2935-2941
DOI: https://doi.org/10.20546/ijcmas.2018.709.365


Genetic Variability and Association Analysis of Maize Hybrids under Excessive Soil Moisture Condition
Modekurti Sravana Lakshmi1, Prem Narayan Jagadev1, Sindhusnata Das1, Devraj Lenka1, Digvijay Swain1 and Swapan K. Tripathy2*
1Department of Plant Breeding and Genetics
2Department of Agricultural Biotechnology, College of Agriculture, OUAT, Bhubaneswar, India
*Corresponding author
Abstract:

Excess Soil Moisture (ESM) stress caused by temporary water logging is a major limiting factor for maize production and productivity in Asian countries. In this context, the present investigation was carried out to study genetic variability, character association and path analysis in 35 maize hybrids under excessive soil moisture condition. Analysis of variance revealed highly significant differences among the genotypes for all the characters. High heritability with high genetic advance was observed in senescence percent(after excess water stress), difference in senescence, number of kernels per row, number of kernels per cob and grain yield, indicating the preponderance of additive gene action in controlling the traits. Yield was positively and significantly correlated with plant height, ear height, length of cob, girth of cob, number of kernel rows per cob, number of kernels per row, number of kernels per cob, 100 kernel weight and shelling %. Among these, number of kernels per row, days to 50% tasseling, 100 kernel weight and number of kernels per cob had direct positive effect on grain yield at genotypic level. Senescence percent had shown highest positive indirect effect via number of kernels per row on grain yield. This happens to be the case in water logging tolerant hybrids.


Keywords: Genetic variability, Character association, Path analysis, Water logging stress, Zea mays L.
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How to cite this article:

Modekurti Sravana Lakshmi, Prem Narayan Jagadev, Sindhusnata Das, Devraj Lenka, Digvijay Swain and Swapan K. Tripathy. 2018. Genetic Variability and Association Analysis of Maize Hybrids under Excessive Soil Moisture Condition.Int.J.Curr.Microbiol.App.Sci. 7(9): 2935-2941. doi: https://doi.org/10.20546/ijcmas.2018.709.365