Association analysis, genetic diversity and population structure of barley (Hordeum vulgare L.) under heat stress conditions using SSR and ISSR markers linked to primary and secondary metabolites

2021 ◽  
Vol 48 (10) ◽  
pp. 6673-6694
Author(s):  
Khadijeh Ghomi ◽  
Babak Rabiei ◽  
Hossein Sabouri ◽  
Ebrahim Gholamalipour Alamdari
Keyword(s):  
Genetic Diversity ◽  
Population Structure ◽  
Heat Stress ◽  
Hordeum Vulgare ◽  
Secondary Metabolites ◽  
Association Analysis ◽  
Issr Markers ◽  
Stress Conditions ◽  
Hordeum Vulgare L ◽  
Primary And Secondary Metabolites

scholarly journals Genetic Diversity and Population Structure of Serbian Barley (Hordeum vulgare L.) Collection during a 40-Year Long Breeding Period

Agronomy ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 118
Author(s):  
Ljiljana Brbaklić ◽  
Dragana Trkulja ◽  
Sanja Mikić ◽  
Milan Mirosavljević ◽  
Vojislava Momčilović ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Population Structure ◽  
Hordeum Vulgare ◽  
Crop Improvement ◽  
Genetic Erosion ◽  
Breeding Period ◽  
Phenotypic Variance ◽  
Hordeum Vulgare L ◽  
Phenotypic Data ◽  
Breeding Material

Determination of genetic diversity and population structure of breeding material is an important prerequisite for discovering novel and valuable alleles aimed at crop improvement. This study’s main objective was to characterize genetic diversity and population structure of a collection representing a 40-year long historical period of barley (Hordeum vulgare L.) breeding, using microsatellites, pedigree, and phenotypic data. The set of 90 barley genotypes was phenotyped during three growing seasons and genotyped with 338 polymorphic alleles. The indicators of genetic diversity showed differentiation changes throughout the breeding periods. The population structure discriminated the breeding material into three distinctive groups. The principal coordinate analysis grouped the genotypes according to their growth habit and row type. An analysis of phenotypic variance (ANOVA) showed that almost all investigated traits varied significantly between row types, seasons, and breeding periods. A positive effect on yield progress during the 40-year long breeding period could be partly attributed to breeding for shorter plants, which reduced lodging and thus provided higher yield stability. The breeding material revealed a considerable diversity level based on microsatellite and phenotypic data without a tendency of genetic erosion throughout the breeding history and implied dynamic changes in genetic backgrounds, providing a great gene pool suitable for further barley improvement.

Genetic diversity, population structure and relationship of Ethiopian barley (Hordeum vulgare L.) landraces as revealed by SSR markers

2022 ◽  
Vol 101 (1) ◽  
Author(s):  
Allo A. Dido ◽  
M. S. R. Krishna ◽  
Ermias Assefa ◽  
Dawit T. Degefu ◽  
B. J. K. Singh ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Population Structure ◽  
Hordeum Vulgare ◽  
Ssr Markers ◽  
Hordeum Vulgare L ◽  
Relationship Of

scholarly journals Genetic diversity and association analysis among Egyptian barley (Hordeum vulgare L.) genotypes with different adaptations to saline conditions analyzed by SSR markers

2016 ◽  
Vol 10 (05) ◽  
pp. 637-645 ◽  
Author(s):  
Ammar Elakhdar ◽  
◽  
Mohamed Abd El-sattar ◽  
Khairy Amer ◽  
Toshihiro Kumamaru ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Hordeum Vulgare ◽  
Ssr Markers ◽  
Association Analysis ◽  
Hordeum Vulgare L

scholarly journals Phenotypic diversity and population structure of Ethiopian barley (Hordeum vulgare L.) landrace collections

2020 ◽  
Vol 7 (12) ◽  
pp. 144-161
Author(s):  
Allo A. Dido ◽  
◽  
Kassahun Tesfaye ◽  
M.S.R. Krishna ◽  
Dawit T. Degefu ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Population Structure ◽  
Hordeum Vulgare ◽  
Agronomic Traits ◽  
Phenotypic Diversity ◽  
Geographic Origin ◽  
Principal Component ◽  
Environment Interaction ◽  
Hordeum Vulgare L ◽  
Shoot Fly

Landraces play a key role in crop breeding by providing beneficial trait for improvement of related crops and their genetic diversity studies are very important for breeding program and identification of parental lines. In this study, 585 barley (Hordeum vulgare L.) landraces collected from 13 agro-ecological zones of Ethiopia were evaluated along with 10 cultivars for their phenotypic diversity and population structure in relation to agronomic traits, resistance to major diseases and barley shoot fly. Data on 22 agronomic traits, three major diseases and barley shoot fly resistance-related traits were recorded. Univariate and multivariate approaches such as principal component and cluster analyses were applied to assess the genetic diversity and population structure. The analysis of variance indicated significant genotypic main, accessions x year and accession x environment interaction effects for almost all the traits evaluated. However, the accessions x environment interactions were mainly due to changes in magnitude rather than crossover types of interactions. The diversity analysis indicated that the population was highly structured according to kernel row-type, region (geographic) origin and altitude classes. Since the population is highly structured, appropriate statistical models will be needed when this population is used for association mapping studies. Eight principal components (PCs) in principal component analysis (PCA) accounted for the variation of 83.01%. The most related traits were included in the same PC, implying that results from PCA could give clues as to the relationship among traits. Though variability existed within and among clusters, useful germplasm clustered together. These materials are important sources of germplasm for the improvement of agronomic, disease and insect pest resistance traits. Keywords: Barley, diseases, genetic diversity, landraces, multivariate, shoot fly

scholarly journals Population structure and marker–trait association of salt tolerance in barley (Hordeum vulgare L.)

2016 ◽  
Vol 339 (11-12) ◽  
pp. 454-461 ◽  
Author(s):  
Ammar Elakhdar ◽  
Mohamed Abd EL-Sattar ◽  
Khairy Amer ◽  
Assma Rady ◽  
Toshihiro Kumamaru
Keyword(s):  
Population Structure ◽  
Hordeum Vulgare ◽  
Salt Tolerance ◽  
Hordeum Vulgare L ◽  
Trait Association

Genetic diversity and population structure of the mangrove lime (Merope angulata) in India revealed by AFLP and ISSR markers

2015 ◽  
Vol 120 ◽  
pp. 260-267 ◽  
Author(s):  
Satya Narayan Jena ◽  
Sushma Verma ◽  
Kuttan Narayanan Nair ◽  
Awadhesh Kumar Srivastava ◽  
Sujata Misra ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Population Structure ◽  
Issr Markers

scholarly journals Genetic diversity and population structure of wild Dipsacus asperoides in China as indicated by ISSR markers

2014 ◽  
Vol 13 (3) ◽  
pp. 6340-6349 ◽  
Author(s):  
D.X. Chen ◽  
L.Y. Li ◽  
X. Zhang ◽  
Y. Wang ◽  
Z. Zhang
Keyword(s):  
Genetic Diversity ◽  
Population Structure ◽  
Issr Markers
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