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DOI: | 10.1017/S1479262115000611 |
Web URL(s): | https://www.cambridge.org/core/services/aop-cambridge-core/content/view/F430B8F035944FBE7641DB980CA93CD3/S1479262115000611a.pdf/an_irish_perennial_ryegrass_genetic_resource_collection_clearly_divides_into_two_major_gene_pools.pdf Last checked: 07/13/2017 Requires: PDF Reader Access conditions: Item is within a limited-access website https://www.cambridge.org/core/journals/plant-genetic-resources/article/an-irish-perennial-ryegrass-genetic-resource-collection-clearly-divides-into-two-major-gene-pools/F430B8F035944FBE7641DB980CA93CD3/core-reader Last checked: 07/13/2017 Access conditions: Item is within a limited-access website |
Publication Type:
| Refereed |
Author(s): | Barth, Susanne;
McGrath, Sarah Katherine;
Arojju, Sai Krishna;
Hodkinson, Trevor Roland |
Author Affiliation: | Barth: Teagasc Crops Environment and Land Use Programme, Oak Park Research Centre, Carlow, Ireland; McGrath and Arojju: Teagasc Crops Environment and Land Use Programme, Oak Park Research Centre, Carlow, Ireland and Department of Botany, School of Natural Sciences, Trinity College Dublin, Ireland; Hodkinson: Department of Botany, School of Natural Sciences, Trinity College Dublin, Ireland |
Title: | An Irish perennial ryegrass genetic resource collection clearly divides into two major gene pools |
Source: | Plant Genetic Resources: Characterization andUtilization. Vol. 15, No. 3, June 2017, p. 269-278. |
Publishing Information: | Oxford, United Kingdom: Blackwell Scientific Publications |
# of Pages: | 10 |
Related Web URL: | https://www.cambridge.org/core/journals/plant-genetic-resources/article/an-irish-perennial-ryegrass-genetic-resource-collection-clearly-divides-into-two-major-gene-pools/F430B8F035944FBE7641DB980CA93CD3 Last checked: 07/13/2017 Notes: Abstract only https://static.cambridge.org/resource/id/urn:cambridge.org:id:binary:20170526063714489-0509:S1479262115000611:S1479262115000611sup001.docx Last checked: 07/17/2017 Requires: Microsoft Word Notes: Supplementary material |
Keywords: | TIC Keywords: Cultivar evaluation; Ecotypic variation; Genetic analysis; Genetic diversity; Lolium perenne; Population genetics; Simple sequence repeats
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Abstract/Contents: | "This study assessed the genetic diversity in 928 individuals from 40 diploid populations of Lolium perenne using nuclear simple sequence repeat markers, including 22 accessions of Irish ecotypes, seven European ecotypes and 11 released varieties. High levels of allelic and genetic diversity were determined, with intra-population variation accounting for the majority of the variation. The majority of the accessions deviated from Hardy-Weinberg equilibrium and had relatively high inbreeding coefficients. Two major gene pools of ecotypic accessions were defined by unweighted pair group method with arithmetic mean (UPGMA) and PCA analyses. One of these two gene pools accounted for two-thirds of the ecotypes and included most of the current Irish and Northern Irish breeding materials and about half of the European ecotypes included in this study; these European ecotypes performed well under Irish selection conditions. Population structure and differentiation analyses using Structure analysis and analysis of molecular variance confirmed the results found in the UPGMA and PCA analyses. These results will be useful for breeders who wish to exploit specific pools from ecotype collections." |
Language: | English |
References: | 48 |
Note: | Figures Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Barth, S., S. K. McGrath, S. K. Arojju, and T. R. Hodkinson. 2017. An Irish perennial ryegrass genetic resource collection clearly divides into two major gene pools. Plant Var. Seeds. 15(3):p. 269-278. |
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| DOI: 10.1017/S1479262115000611 |
| Web URL(s): https://www.cambridge.org/core/services/aop-cambridge-core/content/view/F430B8F035944FBE7641DB980CA93CD3/S1479262115000611a.pdf/an_irish_perennial_ryegrass_genetic_resource_collection_clearly_divides_into_two_major_gene_pools.pdf Last checked: 07/13/2017 Requires: PDF Reader Access conditions: Item is within a limited-access website https://www.cambridge.org/core/journals/plant-genetic-resources/article/an-irish-perennial-ryegrass-genetic-resource-collection-clearly-divides-into-two-major-gene-pools/F430B8F035944FBE7641DB980CA93CD3/core-reader Last checked: 07/13/2017 Access conditions: Item is within a limited-access website |
| MSU catalog number: b2318539 |
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