alexa Correlation and Path Coefficient Analysis of Yield and Yield Associated Traits in Barley (Hordeum vulgare L.) Germplasm
ISSN: 2329-8863

Advances in Crop Science and Technology
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Research Article

Correlation and Path Coefficient Analysis of Yield and Yield Associated Traits in Barley (Hordeum vulgare L.) Germplasm

Azeb Hailu1, Sentayehu Alamerew2, Mandefro Nigussie3 and Ermias Assefa2,4*
1Tigray Agricultural Research Institute, Mekelle Agricultural Research Center, P.O.Box: 258, Mekelle, Ethiopia
2Colleges of Agriculture and Veterinary Medicine, Jimma University, Ethiopia
3Oxfam America, Horn of Africa Regional Office, Ethiopia
4Southern Agricultural Research Institute, Bonga Agricultural Research Center, P.O.Box 101, Bonga, Ethiopia
*Corresponding Author : Ermias Assefa
Southern Agricultural Research Institute
Bonga Agricultural Research Center
P.O.Box 101, Bonga, Ethiopia
E-mail: [email protected]
Received March 05, 2016; Accepted March 21, 2016; Published March 28, 2016
Citation: Hailu A, Alamerew S, Nigussie M, Assefa E (2016) Correlation and Path Coefficient Analysis of Yield and Yield Associated Traits in Barley (Hordeum vulgare L.) Germplasm. Adv Crop Sci Tech 4:216. oi:10.4172/2329-8863.1000216
Copyright: © 2016 Hailu A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
 

Abstract

Sixty four barley genotypes were tested in 8 × 8 simple lattice design at Atsbi, Ofla and Quiha environments in Tigray region, in 2009/10. The objective was to estimate the extent of association between pairs of characters in genotypic and phenotypic levels and thereby compare the direct and indirect effects of the characters. Analysis of variance (ANOVA) revealed that there was a significant difference (p<0.001) among the sixty four genotypes for all the characters studied except for 1000-kernel weight at Quiha which was significant (p<0.05) and plant height was non-significant at Atsbi and Ofla. Grain yield had positive and highly significant phenotypic and genotypic correlation with 1000-kernel weight and biological yield in all environments except harvest index at Ofla. Grain yield had positive and highly significant phenotypic and genotypic correlation with 1000-kernel weight and biological yield in all environments except harvest index at Ofla. On the other hand, grain yield had negative and highly significant correlation at genotypic level with days to heading and days to maturity only at Ofla. Path analysis revealed that biological yield exerted maximum positive direct effect on grain yield across location followed by harvest index excluding Ofla. However, days to maturity exhibited highest negative direct effect on grain yield at Ofla.

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