International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:6, June, 2018

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
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(6): 3652-3664

Studies on Frequency Distribution of Sorghum Downy Mildew Resistant BC3F1 Progenies in Maize
K. Sumathi1*, K. N. Ganesan2 and N. Senthil3
1Centre for Plant breeding and Genetics, TNAU Coimbatore, India
2Millet Breeding Station, TNAU Coimbatore, India
3Centre for Plant Molecular Biology, TNAU Coimbatore, India
*Corresponding author

The present investigation 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 gene interaction for yield contributing characters to increase the yield. For this purpose twelve biometrical characters of fifteen SDM resistant progenies viz., UMI 79/936-C1-3-2 ,UMI 79/936-C1-3-4,UMI 79/936-C1-7-2, UMI 79/936-C1-7-7, UMI 79/936-C1-29-8, UMI 79/936-C1-29-9, UMI 79/936-C1-29-13, UMI 79/936-C1-29-23, UMI 79/936-C1-29-35, UMI 79/936-C1-29-36, UMI 79/936-C1-67-3, UMI 79/936-C1-67-12, UMI 79/936-C1-67-25, UMI 79/936-C1-101-12 and UMI 79/936-C1-101-14 were used for frequency distribution studies. Analysis of skewness and kurtosis revealed that, the selected progenies for resistant to SDM showed positive skewness and negative kurtosis for most of the traits under study viz., 50% tasseling, days to 50% silking, days to maturity, plant height cob length, cob diameter, 100 grain weight and grain yield per plant. Indicating that, these characters were governed by complementary gene action was and the gain is slower with mild selection but is faster with intensive selection.

Keywords: Frequency distribution, Skewness, Kurtosis, Maize

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Sumathi, K., K. N. Ganesan and Senthil, N. 2018. Studies on Frequency Distribution of Sorghum Downy Mildew Resistant BC3F1 Progenies in Maize.Int.J.Curr.Microbiol.App.Sci. 7(6): 3652-3664. doi:
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