Genetic diversity in cultivated gene pool of indian barley (Hordeum vulgare L.): An analysis using SSR markers

2020 ◽  
Vol 33 (3) ◽  
pp. 287-294
Author(s):  
Sheel Yadav ◽  
Supreet Kaur ◽  
Sherry Rachel Jacob ◽  
Vikender Kaur
Keyword(s):  
Genetic Diversity ◽  
Hordeum Vulgare ◽  
Ssr Markers ◽  
Gene Pool ◽  
Hordeum Vulgare L

A study of genetic diversity of colored barley (Hordeum vulgare L.) using SSR markers

2014 ◽  
Vol 62 (3) ◽  
pp. 395-406 ◽  
Author(s):  
Wei Hua ◽  
Xiaoqin Zhang ◽  
Jinghuan Zhu ◽  
Yi Shang ◽  
Junmei Wang ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Hordeum Vulgare ◽  
Ssr Markers ◽  
Hordeum Vulgare L

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

Genetic diversity changes and relationships in spring barley (Hordeum vulgare L.) germplasm of Nordic and Baltic areas as shown by SSR markers

2007 ◽  
Vol 54 (4) ◽  
pp. 749-758 ◽  
Author(s):  
A. Kolodinska Brantestam ◽  
R. von Bothmer ◽  
C. Dayteg ◽  
I. Rashal ◽  
S. Tuvesson ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Hordeum Vulgare ◽  
Ssr Markers ◽  
Spring Barley ◽  
Hordeum Vulgare L

scholarly journals Study of the genetic diversity of Korean, Chinese and Japanese landraces of barley (Hordeum vulgare L.) using microsatellites

2011 ◽  
Vol 23 (1) ◽  
pp. 3-13
Author(s):  
Sang Park ◽  
Dong Lee ◽  
Hyung-Jin Baek ◽  
Jeongran Lee ◽  
Muhammad Farooq
Keyword(s):  
Genetic Diversity ◽  
Hordeum Vulgare ◽  
Genetic Distance ◽  
Ssr Markers ◽  
Gene Diversity ◽  
Hordeum Vulgare L ◽  
Discrimination Ability ◽  
Winter Cereals ◽  
Barley Landraces ◽  
Korean Chinese

Study of the genetic diversity of Korean, Chinese and Japanese landraces of barley (Hordeum vulgareL.) using microsatellitesBarley (Hordeum vulgareL.) is one of important winter cereals in the world and has been the subject of numerous genetic investigations. Studies of its genetic diversity based on germplasm have a significant impact on crop breeding and conservation of genetic resources. This study was conducted to reveal the genetic diversity in barley landraces from Korean, Chinese and Japanese populations and evaluate the discrimination ability of SSR markers, distributed uniformly throughout the barley genome. Seven SSR primers were used to screen a set of 737 diverse barley landraces from Korea, China and Japan. The observed number of alleles per locus (Na), the effective number of alleles (Ne), and the mean gene diversity (He) were 11.14, 3.6245 and 0.7048, respectively. The number of alleles per locus was highest in Chinese landraces (8.9 alleles), followed by Korean (8.6) and Japanese (6.4). In this regard, HVKASI primer may be useful to distinguish Japanese landraces from others, as this unique allele was only detected at 175 bp in Japanese landraces. The average value of genetic distance was D=0.935. The largest genetic distance (D=1.209) among the three regional (representing each country in general) populations was found between Korean and Japanese populations. Based on the UPGMA dendrogram, four major groups can be distinguished at the similarity value of 0.43. The scatter plot showed overlapping in the central part amongst 3 groups of barley landraces. SSR markers are a powerful tool to examine functional diversity. Rich barley gene pool can be very useful for meeting current and future challenges in barley raising.

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.

Analysis of Genetic Diversity in the Brassica napus L. Gene Pool Using SSR Markers

2005 ◽  
Vol 53 (4) ◽  
pp. 793-802 ◽  
Author(s):  
M. Hasan ◽  
F. Seyis ◽  
A. G. Badani ◽  
J. Pons-Kühnemann ◽  
W. Friedt ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Brassica Napus ◽  
Ssr Markers ◽  
Gene Pool ◽  
Brassica Napus L

scholarly journals Study of the gene pool of the winter rye Secale cereale L. of the Republic of Belarus using microsatellite markers

2021 ◽  
Vol 66 (2) ◽  
pp. 215-222
Author(s):  
V. S. Mandrusova ◽  
I. S. Gordej ◽  
O. M. Lyusikov ◽  
V. E. Shimko ◽  
I. A. Gordej
Keyword(s):  
Genetic Diversity ◽  
Microsatellite Markers ◽  
Ssr Markers ◽  
Gene Pool ◽  
Winter Rye ◽  
Interpopulation Variability ◽  
Content Index ◽  
Secale Cereale L ◽  
New Varieties ◽  
The Republic

In this work, the genetic diversity of the modern gene pool of the winter rye (S. cereal L.) of the Republic of Belarus from 20 actual breeding samples was investigated using 15 microsatellite (SSR) markers to develop divergent crossing combinations in breeding for heterosis. It was shown that the formed set of SSR markers is highly effective – the informational content index (PIC) varied from 0.50 to 0.83 and averaged 0.72. The most effective microsatellite markers (SCM28, SCM43, SCM101 and SCM102) were identified and can be successfully used to study the genetic diversity of rye. It has been established that the modern gene pool of the winter rye of the Republic of Belarus is generally characterized by fairly wide genetic diversity (interpopulation variability) – all collection samples are characterized by a unique allelic composition of the studied microsatellite loci. Based on investigation results, a hierarchical clustering dendrogram was constructed, which made it possible to determine the most genetically divergent combinations of crosses. The information obtained can be used for the development of an effective scheme allowing to develop new varieties and hybrids in the practical breeding of rye for heterosis.

scholarly journals Molecular characterization and genetic diversity studies of Indian soybean (Glycine max (L.) Merr.) cultivars using SSR markers

2021 ◽  
Author(s):  
S. P. Jeevan Kumar ◽  
C. Susmita ◽  
K. V. Sripathy ◽  
Dinesh K. Agarwal ◽  
Govind Pal ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Molecular Characterization ◽  
Ssr Markers ◽  
Crop Yield ◽  
Gene Pool ◽  
Stress Factors ◽  
Soybean Cultivars ◽  
Genetic Base ◽  
Purity Analysis ◽  
Breeding Programmes

Abstract Background The genetic base of soybean cultivars in India has been reported to be extremely narrow, due to repeated use of few selected and elite genotypes as parents in the breeding programmes. This ultimately led to the reduction of genetic variability among existing soybean cultivars and stagnation in crop yield. Thus in order to enhance production and productivity of soybean, broadening of genetic base and exploring untapped valuable genetic diversity has become quite indispensable. This could be successfully accomplished through molecular characterization of soybean genotypes using various DNA based markers. Hence, an attempt was made to study the molecular divergence and relatedness among 29 genotypes of soybean using SSR markers. Methods and results A total of 35 SSR primers were deployed to study the genetic divergence among 29 genotypes of soybean. Among them, 14 primer pairs were found to be polymorphic producing a total of 34 polymorphic alleles; and the allele number for each locus ranged from two to four with an average of 2.43 alleles per primer pair. Polymorphic information content (PIC) values of SSRs ranged from 0.064 to 0.689 with an average of 0.331. The dendrogram constructed based on dissimilarity indices clustered the 29 genotypes into two major groups and four sub-groups. Similarly, principal coordinate analysis grouped the genotypes into four major groups that exactly corresponded to the clustering of genotypes among four sub-groups of dendrogram. Besides, the study has reported eight unique and two rare alleles that could be potentially utilized for genetic purity analysis and cultivar identification in soybean. Conclusion In the present investigation, two major clusters were reported and grouping of large number of genotypes in each cluster indicated high degree of genetic resemblance and narrow genetic base among the genotypes used in the study. With respect to the primers used in the study, the values of PIC and other related parameters revealed that the selected SSR markers are moderately informative and could be potentially utilized for diversity analysis of soybean. The clustering pattern of dendrogram constructed based on SSR loci profile displayed good agreement with the cultivar’s pedigree information. High level of genetic similarity observed among the genotypes from the present study necessitates the inclusion of wild relatives, land races and traditional cultivars in future soybean breeding programmes to widen the crop gene pool. Thus, hybridization among diverse gene pool could result in more heterotic combinations ultimately enhancing genetic gain, crop yield and resistance to various stress factors.

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