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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 (2017)
[Effective from January 1, 2017]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(11): 815-823
DOI: https://doi.org/10.20546/ijcmas.2018.711.096


Stability for Grain Yield and Other Traits in Tropical Maize (Zea mays L.) under Heat Stress and Optimal Conditions
K.A. Archana1, P.H. Kuchanur1*, P.H. Zaidi2, S.S. Mandal3, B. Arunkumar1, Ayyanagouda Patil4, K. Seetharam2 and M.T. Vinayan2
1Department of Genetics and plant breeding, University of Agricultural Sciences, Raichur-584 104, Karnataka, India
2International Maize and Wheat Improvement Center (CIMMYT) - Asia c/o ICRISAT, Patancheru-502324, India
3Department of Genetics and Plant Breeding, Bihar Agricultural University, Sabour, Bhagalpur-813 210, Bihar, India
4Department of Molecular Biology and Agriculture Biotechnology, University of Agricultural Sciences, Raichur-584 104, Karnataka, India
*Corresponding author
Abstract:

Twenty four newly developed maize hybrids along with three commercial checks were evaluated for their yield performance at three locations under heat stress and optimal conditions. Pooled analysis of variance revealed significant differences among hybrids for grain yield. Mean sum of squares due to environments and linear component of environments were significant for all the traits studied. Whereas, mean sum of squares due to hybrids × environment interactions and linear component of hybrids × environment interaction were significant only for grain yield indicating the diversity among the selected environments. Based on the stability parameters, the hybrids, VL 107 × VL128 (0.97) and ZL 1110175 ×VL 1033 for days to 50 % anthesis, ZL 14501 × VL 1032 for days to 50 % silking, VL 1011 × VL 1033 for anthesis silking interval and ZL 11953 × VL 1032 for grain yield were identified as stable as they recorded regression value nearer to unity and non-significant deviation from regression.


Keywords: Grain yield, Tropical maize (Zea mays L.), Optimal conditions
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How to cite this article:

Archana, K.A., P.H. Kuchanur, P.H. Zaidi, S.S. Mandal, B. Arunkumar, Ayyanagouda Patil, K. Seetharam and Vinayan, M.T. 2018. Stability for Grain Yield and Other Traits in Tropical Maize (Zea mays L.) under Heat Stress and Optimal Conditions.Int.J.Curr.Microbiol.App.Sci. 7(11): 815-823. doi: https://doi.org/10.20546/ijcmas.2018.711.096