Article Details : |
| | Article Name : | | Analysis of Yield Stability in Rainfed Wheat of
Pakistan Using GGE Biplot | Author Name : | | MOHAMMAD NAWAZ
SYED HAIDER SHAH, JAHANGIR KHAN ACHAKZAI, AHMED ULLAH
SANA ULLAH
MOHAMMAD AZEEM, TAHIR RASHID, S.A. TARAN | Publisher : | | Bridge Center | Article URL : | | | Abstract : | | The aim of this paper is to discuss the stability of grain yield
varieties of rainfed wheat using the GGE (genotype main effect plus
genotype by environment interaction). New varieties have to be
determined by the plant breeders that are responsive for grain yield in
the environmental change. In the current study, Nineteen wheat
varieties in twelve different environments during 2009-10 with four
replications in each environment using the RCBD (randomized
completely block design) as the experimental layout. From the
combined (ANOVA), the environment (E), Genotype (G) and genotype
× environment interaction (GEI) effects were much significant
(P<0.01). From the polygon view it is obvious that there were three winning genotypes which performed best in maximum environments
for the rainfed wheat genotypes. G6 performed well in first megaenvironment that contained 6 environments, G4 in second megaenvironment and G7 performed best in the third mega-environments
respectively among all environments. G10 was the most desirable
genotype from the graph of genotype comparison and E9 was the
desirable environment from the graph environments comparison.
| Keywords : | | GGE biplot analysis, GEI (genotype by environments
interaction), METs (multi environments data)
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