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Diversity of tall fescue and relationships within festuca subgenus schedonourus based on nuclear and chloroplast simple sequence repeat markers
Descriptive
TitleInfo
Title
Diversity of tall fescue and relationships within festuca subgenus schedonourus based on nuclear and chloroplast simple sequence repeat markers
Name
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Averello
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Vincenzo
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(type = date)
1990-
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Vincenzo Averello IV
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author
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IV
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Bonos
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Stacy A
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Stacy A Bonos
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Advisory Committee
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chair
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Meyer
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William A
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William A Meyer
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Advisory Committee
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co-chair
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(type = personal)
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(type = family)
Honig
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(type = given)
Josh A
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Josh A Honig
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Advisory Committee
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(authority = RULIB)
internal member
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(type = personal)
NamePart
(type = family)
Zhang
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(type = given)
Ning
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Ning Zhang
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Advisory Committee
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(authority = RULIB)
internal member
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Rutgers University
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(authority = RULIB)
degree grantor
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School of Graduate Studies
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school
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Text
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theses
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2017
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2017-10
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2017
Place
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xx
Language
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eng
Abstract
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Tall fescue (Festuca arundinacea Schreb. syn. Lolium arundinaceaum [Schreb.] Darbysh. syn. Schedonourus arundinaceus [Schreb.] Dumort.) is an allohexaploid grass species that is found throughout Europe, much of Asia, and North Africa. As it is currently understood, there are two gene pools within Festuca subgenus, the Continental morphotype, which can be found in Europe and Asia, and the Mediterranean morphotype, which can be found in Northern Africa. The aims of this thesis were to investigate the level of diversity present in a tall fescue germplasm collection from the center of origin for the species and recent cultivars and to determine the relationships between the collections and cultivars, as well as between the species and subspecies within the subgenus Schedonorus. Sixteen individuals from ninety-eight collections, cultivars, and accessions of Festuca and Lolium were genotyped using two tall fescue nuclear EST-SSRs, eleven tall fescue nuclear genomic SSRs, and eighteen tall fescue chloroplast SSRs. One chloroplast marker was used to assign each cultivars, collection, or accession to a morphotype. The nuclear SSR markers found that the turf-type cultivars of tall fescue were closely related but still genetically distinct from each other, agreeing with known pedigree information. The collections generally clustered by geographic origin. Bayesian cluster analysis showed that the cultivars and collections exhibit a high level of admixture. Chloroplast microsatellites were not capable of discriminating between cultivars and collections, as the nuclear satellites were. Both marker systems, separated the collections from North Africa from the other collections, as well as other species and subspecies from that region, suggesting they are not closely related. This work showed that nuclear SSRs were capable of distinguishing between cultivars and collections of tall fescue, while chloroplast SSRs were only capable of distinguishing between species and subspecies.
Subject
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Topic
Plant Biology
Subject
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Topic
Tall fescue
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Rutgers University Electronic Theses and Dissertations
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ETD_8382
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electronic resource
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application/pdf
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text/xml
Extent
1 online resource (viii, 166 p. : ill.)
Note
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M.S.
Note
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Includes bibliographical references
Note
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by Vincenzo Averello IV
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School of Graduate Studies Electronic Theses and Dissertations
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rucore10001600001
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NjNbRU
Identifier
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doi:10.7282/T3VD72K3
Genre
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ETD graduate
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Rights
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The author owns the copyright to this work.
RightsHolder
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Name
FamilyName
Averello
GivenName
Vincenzo
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Copyright Holder
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Permission or license
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2017-09-22 17:25:01
AssociatedEntity
Name
Vincenzo Averello
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Affiliation
Rutgers University. School of Graduate Studies
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License
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Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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DateTime
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2017-10-31
DateTime
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2019-10-31
Type
Embargo
Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after October 31st, 2019.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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windows xp
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2017-10-09T11:45:25
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