National Academy of Agricultural Sciences (NAAS)
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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 2018: 95.39 NAAS RATING 2020: 5.38 |
Genotype +genotype x environment (GGE) biplot models is adopted to uncover GEI patterns and effectively identify high yielding genotypes with stable performance across environments. The components of GGE biplot analysis PCA 1 and PCA 2 together accounted for more than 95 percent of total variation which is more satisfactory to explain genotype + genotype x environment interaction for days to maturity, ear length, number of kernels per row,100 seed weight and grain yield per plant. Heypool was identified as the winning inbred for ear length and 100 seed weight in all the seasons; grain yield per plant in kharif and rabi and number of kernels per row in kharif and summer. For number of kernels per row, DFTY was found more responsive in kharif and summer. Summer season was found to have more discriminating ability for days to maturity, number of kernels per row, 100 seed weight and grain yield, while rabi had the discriminating power for ear length. Kharif season was found to be more representativeness for ear length, number of kernels per row, 100 seed weight and grain yield per plant and rabi for days to maturity. The inbreds viz., DFTY, PDM 1452, Heypool and PDM 1474 with high mean and stability for ear length, number of kernels per row and 100 seed weight in were close the ideal genotype. Inbreds viz; DFTY, PDM 1452 and PDM 1474 with moderate stability in performance over seasons may be recommended for improving parental lines and also developing high yielding hybrids in maize.
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