Study of barley varieties under salinity stress condition in early seedling growth stages via multivariate analysis

Document Type : Research Paper

Authors

1 MSc student, Department of Agronomy and Plant Breeding, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran

2 Associate Professor, Department of Agronomy and Plant Breeding, Shooshtar Branch, Islamic Azad University, Shooshtar, Iran

3 Faculty member, Department of Agronomy and Plant Breeding, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran

Abstract

Increased salinity tolerance in barley basic requirement is to sustain production in saline areas. The present study was concluded to examine the effect of salinity stress on barley varieties in order to find the most tolerant of varieties in early growth stages based on morphological and physiological traits.The research aimed at research laboratory of Islamic Azad university, Ahvaz branch in 2015 in factorial experiment in basis completely randomized design with 3 replications of 20 varieties as the first factor and salinity stress with NaCl at 4 levels of zero (distilled water), 5, 10 and 15 ds/m as the second factor was implemented. Analysis of variance showed that there was a significant difference between varieties for most of traits that indicates there is sufficient variation between varieties. The principal components analysis, 11 studied traits is divided into 2 components on the basis of 62 % of the data changes can be justified. Cluster analysis divided varieties in three clusters. The summary results of the principal component analysis, biplot and cluster analysis revealed that varieties of Gorgan, Kavir, Behrokh, Torkaman and Zarjo had better tolerance to salinity stress than other varieties and stated followed by Fajr 30, sahra, Reihan 48 and Karon.

Keywords

References

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Iranian Journal of Seed Sciences and Research
Volume 6, Issue 4
February 2020
Pages 527-538

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