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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
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Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(6): 3847-3854
DOI: https://doi.org/10.20546/ijcmas.2018.706.453


Variability Parameters Studies in Sorghum Downy Mildew Resistant BC3F3 Progenies of Maize
K. Sumathi1*, K.N. Ganesan2 and N. Senthil3
1Centre for Plant Breeding and Genetics, TNAU, Coimbatore, India
2K.N. Ganesan, Professor Millet Breeding Station, TNAU Coimbatore, India
3Centre for Plant Molecular Biology, TNAU Coimbatore, India
*Corresponding author
Abstract:

The present experiment was carried out at Eastern Block of the Central Farm Unit, Department of Agronomy, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India to identify the best performing Sorghum Downy Mildew resistant progeny for agronomical traits. The objective of this study was to identify the better biometric performance of the resistant progeny. Nine biometrical characters of six SDM resistant BC3F.3 progenies viz., UMI 79/936-C1- 7-7-7-40, UMI 79/936-C1- 7-7-7-46, UMI 79/936-C1- 7-7-7-48, UMI 79/936-C1- 7-7-7-52, UMI 79/936-C1- 7-7-7-80 and UMI 79/936-C1- 7-7-7-92 were used for variability studies. Variability analysis revealed that mean values of days to 50% tasseling and days to 50% silking for all the six progenies showed that mostly similar to recurrent parent. In the case of yield contributing characters viz., Cob length, Cob diameter, Yield per plant and 100 grain weight for all the progenies showed moderate to high levels of variability and heritability. Among the six progenies the progeny no. UMI 79/936-C1-7-7-7-80 and UMI 79/936-C1-7-7-7-92 showed better per se performance for yield contributing characters. It exhibited more mean values than the parents for the characters viz., Cob length, Cob diameter, Yield per plant, 100 grain weight. Based on the variability analysis the progeny no UMI 79/936-C1-7-7-7-80 and UMI 79/936-C1-7-7-7-92 were selected as the best progenies.


Keywords: Variability analysis, Heritability and Genetic advance, Maize
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How to cite this article:

Sumathi, K., K.N. Ganesan and Senthil, N. 2018. Variability Parameters Studies in Sorghum Downy Mildew Resistant BC3F3 Progenies of Maize.Int.J.Curr.Microbiol.App.Sci. 7(6): 3847-3854. doi: https://doi.org/10.20546/ijcmas.2018.706.453