EVALUATION OF PHENOTYPIC STABILITY IN BREAD WHEAT ACCESSIONS USING PARAMETRIC AND NON-PARAMETRIC METHODS

A. Yaghotipoor, E. Farshadfar, M. Saeidi

A. Yaghotipoor1, E. Farshadfar2* and M. Saeidi3
Campus of Agriculture, Razi University Kermanshah Iran

Corresponding Author: e_farshadfar@yahoo.com
Page Number(s): 1269-1275
Published Online First: August 01, 2017
Publication Date: August 01, 2017

ABSTRACT

In order to compare parametric and nonparametric stability measures, and to identify high-yield and stable bread wheat genotypes, 20 accessions were grown in a randomized complete block design with 3 replications under 6 irrigated and dryland conditions. Combined analysis of variance (ANOVA) and Bredenkamp test indicated the presence of significant genotype ×environment interactions. Parametric and non- parametric stability statistics introduced genotypes: G13, G15 and G18 as the most stable. The statisticsbiand  were desirable for the simultaneous selection of yield and stability. Spearman's rank correlation indicated that most non-parametric measures were significantly (P<0.01) inter-correlated with parametric measures and therefore can be used as alternatives.

Keywords: Bread wheat, GE interaction, parametric and non-parametric measures, stability
Open Access: This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license ( https://creativecommons.org/licenses/by/4.0/).


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