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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 (2019)
[Effective from January 1, 2019]
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
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(12): 3345-3350
DOI: https://doi.org/10.20546/ijcmas.2017.612.389


GGE Biplot Analysis of Genotype x Environment Interaction in Basmati Rice (Oryza sativa L.)
Jay Laxami, Bupesh Kumar and A.K. Razdan
Division of Plant Breeding & Genetics Sher-e-Kashmir University of Agricultural Sciences and Technology, Jammu 180 009, India
*Corresponding author
Abstract:

Nature and magnitude of genotype x environment interaction (GEI) was studied among 12 Basmati rice genotypes across four environments viz., normal transplanting, late transplanting, system of rice intensification (SRI) and direct seeded rice (DSR) during Kharif 2016 using GGE biplot analysis. Genotype x management interaction followed by environment was found to be the major source of variation and the first two principal components (PCs) of GGE biplot accounted for more than 70% of variation for yield. As per AMMI analysis, discriminating ability of E2 and E3 was found to be closest to the ideal environment and G5 and G10 are top performing in E2 and E3 and G6 and G8 are better performing in E4 and E1 respectively while, stability mean of genotypes revealed that G4 is most stable cultivar and G8, G9 and G6 are the most unstable cultivars. ‘Which-won-where’ analysis revealed two mega environments (ME) among the test locations, with ME1 represented by 2 locations E2 and E3 with G10 as winning genotype and ME2 with 2 locations E1 and E4 with G8 as another winning genotype.


Keywords: GGE biplot, G x E interaction, Basmati.
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How to cite this article:

Jay Laxami, Bupesh Kumar and Razdan, A.K. 2017. GGE Biplot Analysis of Genotype x Environment Interaction in Basmati Rice (Oryza sativa L.).Int.J.Curr.Microbiol.App.Sci. 6(12): 3345-3350. doi: https://doi.org/10.20546/ijcmas.2017.612.389