Greener Journal of Agricultural Sciences

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Karadavut and Akilli

Greener Journal of  Agricultural Sciences Vol. 2 (5), pp. 220-223, September 2012

 ISSN: 2276-7770 

Research Paper

Manuscript Number:08071238


Genotype-Environment Interaction and Phenotypic Stability Analysis for Yield of Corn Cultivar


Ufuk Karadavut* and Aslı Akilli


University of Ahi Evran, Agricultural Faculty, Campus of Aşıkpaşa-Kırşehir/Turkey


*Corresponding Author’s email: ukaradavut @ ahievran. edu. tr


The aim of this study was to determine the genotype-environment (GE) interaction and also to determine stable corn cultivar for grain yield in Turkey. The study was carried out from 2 years and 3 different locations around the Central and South Anatolia Region. GE interaction was analyzed by linear regression techniques. Stability was estimated by the Eberhart and Russell methods. According to the stability analysis, it’s seen that the cultivar 3 was the most stable for grain yielding. Among the cultivars, the highest grain yield was obtained from cultivar 3 (9.4 t ha-1) at across environments. This genotype had regression coefficient ( =1) around unity and deviations from regression values ( =0) around zero; considering that they are responsive to environment changes and they can be recommended for favorable environments.
Keywords: Corn, Zea mays L., grain yield, stability

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