International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 8, Issue:7, July, 2019

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.2019.8(7): 2170-2175

Response of Environment and Stability on Grain Yield in Promising Genotypes of Rice (Oryza sativa L.)
N.R. Koli*, P.K.P. Meena, Manoj Kumar and Sandhya
Agricultural Research Station, Ummedganj Farm, Kota -324001 (Agricultural University, Kota), India
*Corresponding author

The present investigation was determining the response of environment and stable genotypes across the environments. Ten promising genotypes of rice were evaluated for their adaptability in respect of grain yield for three years 2014-2016. The stability parameters were estimated by using the method of Eberhart and Russell 1966. Table 1 showed highly significant yield differences among the genotypes, environment and GxE interaction. The general mean (X), regression coefficient (bi) and deviation from regression (S2di) were considered as stability parameters. Variety P 2511, P 1121, Pratap 1 and promising genotype IET 21960 were found stable or better responsive in general adaptation but the genotype IET 21593 showed below average stability and found suitable for favorable environment, whereas the genotype IET 21959, IET 22290 & P-1460 were found unstable. Therefore these genotypes which are general in adaptation may be commercially cultivated over a wide range of environments.

Keywords: Yield, Stability parameters, G x E interaction, Environmental response and Oryza sativa L

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How to cite this article:

Koli, N.R., P.K.P. Meena, Manoj Kumar and Sandhya. 2019. Response of Environment and Stability on Grain Yield in Promising Genotypes of Rice (Oryza sativa L.).Int.J.Curr.Microbiol.App.Sci. 8(7): 2170-2175. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.