Year: 2020 | Month: September | Volume 13 | Issue 3

Nonparametric Measures of Stability Analysis Compared as Per BLUP & BLUE of Wheat Genotypes for Central Zone of Country

Ajay Verma G.P. Singh
DOI:10.30954/0974-1712.03.2020.8

Abstract:

Stability for wheat genotypes had been compared in Central Zone of the country as per the BLUP and BLUE of yield values. Measures based on ranks of BLUP for 2015-16 i.e. Sis identified G1, G5, G7, G6. Corrected yield measures CSi s pointed towards G1, G2, G5, G6. Values of NPi (s) identified G1, G2, G7. Overall similarity among non-parametric measures tested by Kendall’s coefficient of concordance. Positive correlations of Sis, CSis & NPi
(s) observed with other measures. Biplot analysis exhibited cluster of CVwith CCV, Si1, Si2, Si4, Si5, Si7 , Si3, Si6, NPi(2), NPi(3) & NPi(4). Based on BLUE’s of genotypes, Sis found G1, G7,G4, G5 while CSis identified G5, G4, G2 as opposed to G7, G1, G4 genotypes as by values NPi(s). Positiveand negative correlations exhibited by Sis, CSis & NPi(s) with the measures. Biplot analysis observed large cluster comprised of Yield with GAI, NPi(2), NPi(3), NPi(4), Si1, Si2, Si4Si3, Si5, Si6 measures. Second year of study(2017-18) as per BLUP’s seen, Sis settled for G8, G7, G2 genotypes. While NPi(s) settled for G1, G2, G8, G5. Negative correlations of yield had been observed with MR, CV, Med, NPi(2), NPi(3), NPi(4) while positive with GAI, CMR, CSi6. Measure CV expressed affinity with NPi(2), NPi(3) & NPi(4), SD, Si3, Si6, Si1, Si2, Si4, Si5,Si7 in Biplot analysis.. Measures Sis as per BLUE’s pointed towards G2, G5,G8, G7 whereas CSis settled for G6, G8, G7. . Wheat genotypes G8, G2, G7, G5 favoured by least values of NPi(s). Positive correlation Sis,CSis & NPi(s) with others. Large cluster of CCV, CSD, NPi(1), Si1, Si2, Si4, CSi1, CSi2, CSi3, CSi4, CSi5, CSi6, CSi7 and Z1measures.



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