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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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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(1): 1502-1512
DOI: https://doi.org/10.20546/ijcmas.2018.701.183


Prediction and Validation of Three Cross Hybrids in Maize (Zea mays L.)
R. Pavan*, E. Gangappa, S. Ramesh, A. Mohan Rao and Shailaja Hittalmani
Department of Genetics and Plant Breeding, University of Agricultural Sciences, Bangalore -65, Karnataka, India
*Corresponding author
Abstract:

The experiment comprised of six F1’s, which were selected based on the combinations of low yield × high yield and low ASI × high ASI. The selected six F1’s were crossed in full diallel mating design to synthesis 18 three way crosses was estimated and validated on the basis of performance of their constituent single crosses. Out of 18 hybrids, TWC 3 recorded lower days to tasseling and silking and hence it can be used further in breeding programme. While, TWC 4 (0.32), TWC 11 (0.5), TWC 9 (0.76), TWC 10 (0.79), TWC 14 (0.81) and TWC 5 (0.89) recorded least ASI. Hence, it is suggested to be used in deriving superior inbreds of narrow ASI or hybrids suitable for water deficit conditions. The expected yield performance of TWC 1 (128.13) and TWC 2 (126.24) out yielded best check, Nithyashree (126.00) while, TWC 15 (125.49), TWC 17 (123.19), TWC 16 (121.92), TWC 4 (119.51) out yielded best check, Hema (119.00). All 18 three way crosses manifested significant differences between realised and predicted performance suggesting involvement of epistasis in genetic control of grain yield plant-1. By and large, there was a good agreement between realized and predicted performance of three way cross hybrids for all characters except for grain yield plant-1 and shelling percentage.


Keywords: ASI, Epistasis, Predicted, Realised, TWC
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How to cite this article:

Pavan, R., E. Gangappa, S. Ramesh, A. Mohan Rao and Shailaja Hittalmani. 2018. Prediction and Validation of Three Cross Hybrids in Maize (Zea mays L.).Int.J.Curr.Microbiol.App.Sci. 7(1): 1502-1512. doi: https://doi.org/10.20546/ijcmas.2018.701.183