Do inefficient selfing and inbreeding depression challenge the persistence of the rare Dianthus guliae Janka (Caryophyllaceae)? Influence of reproductive traits on a plant's proneness to extinction
Identifieur interne : 003682 ( Istex/Corpus ); précédent : 003681; suivant : 003683Do inefficient selfing and inbreeding depression challenge the persistence of the rare Dianthus guliae Janka (Caryophyllaceae)? Influence of reproductive traits on a plant's proneness to extinction
Auteurs : Domenico Gargano ; Teresa Gullo ; Liliana BernardoSource :
- Plant Species Biology [ 0913-557X ] ; 2009-08.
English descriptors
- KwdEn :
- Abortion rate, American journal, Annual review, Authors journal compilation, Autonomous, Barrett charlesworth, Biology, Botanical garden, Calabria, Charlesworth, Collin, Competitive effects, Conservation biology, Della calabria, Dianthus, Dianthus guliae, Early stages, Ecology, Ecology evolution, Experimental plants, Experimental site, Genetic diversity, Genetic variability, Germination, Germination rate, Germination tests, Growth rate, Guliae, Guliae populations, High mortality, Historical range, Individual code, International journal, Italian peninsula, Kennedy elle, Lifespan, Lloyd schoen, Long time, Mortality rate, Mortality rates, Nutrient additions, Ower, Ower lifespan, Owering, Owering season, Owers, Perennial herb, Plant sciences, Plant species biology, Pollen donors, Pollen limitation, Pollen receipt, Pollination, Pollination rates, Population size, Progeny, Reproductive, Reproductive assurance, Reproductive biology, Reproductive constraints, Reproductive success, Reproductive traits, Resource availability, Root length, Same head, Scarce pollen transfer, Second season, Seed germination, Seed mass, Seed number, Seed quality, Seed weight, Selfed, Selfed offspring, Selfed progeny, Severe pollen limitation, Sexual expression, Small populations, Southern border, Species biology, Species biology plant species biology, Spontaneous pollinations, Standard deviation, Stigma emergence, Trait, Univocal code.
- Teeft :
- Abortion rate, American journal, Annual review, Authors journal compilation, Autonomous, Barrett charlesworth, Biology, Botanical garden, Calabria, Charlesworth, Collin, Competitive effects, Conservation biology, Della calabria, Dianthus, Dianthus guliae, Early stages, Ecology, Ecology evolution, Experimental plants, Experimental site, Genetic diversity, Genetic variability, Germination, Germination rate, Germination tests, Growth rate, Guliae, Guliae populations, High mortality, Historical range, Individual code, International journal, Italian peninsula, Kennedy elle, Lifespan, Lloyd schoen, Long time, Mortality rate, Mortality rates, Nutrient additions, Ower, Ower lifespan, Owering, Owering season, Owers, Perennial herb, Plant sciences, Plant species biology, Pollen donors, Pollen limitation, Pollen receipt, Pollination, Pollination rates, Population size, Progeny, Reproductive, Reproductive assurance, Reproductive biology, Reproductive constraints, Reproductive success, Reproductive traits, Resource availability, Root length, Same head, Scarce pollen transfer, Second season, Seed germination, Seed mass, Seed number, Seed quality, Seed weight, Selfed, Selfed offspring, Selfed progeny, Severe pollen limitation, Sexual expression, Small populations, Southern border, Species biology, Species biology plant species biology, Spontaneous pollinations, Standard deviation, Stigma emergence, Trait, Univocal code.
Abstract
The yellow carnation Dianthus guliae Janka is a rare endemic of the Italian peninsula. As numerous extinctions have occurred in the past, very few populations are still present. Two years of field surveys revealed high mortality and an absence of recruitment in the southernmost populations of this species. Work in a botanical garden, under semi‐natural conditions, revealed the occurrence of proterandrous hermaphroditism and self‐compatibility. The durable flower lifespan, the competitive effects among flowers and the different outcomes from spontaneous and hand‐performed pollinations (with both self‐ and cross‐pollen) suggested low pollination rates in the experimental stand. Pollinator exclusion experiments revealed a low frequency of delayed autonomous selfing, suggesting that self‐fertilization in D. guliae relies mainly on facilitated selfing and geitonogamy. Studies of inbreeding depression during the early life‐history stages revealed significant differences between selfed and crossed progenies in terms of seed mass, germination rates, developmental vigour and mortality rates. Therefore, when pollen delivery is scarce, the plant may fail reproductive assurance via autonomous selfing. The influence of inbreeding depression contributes to a further reduction in recruitment chances in very small D. guliae populations. Experimental reintroductions are urgent to avoid local extinction at the southern periphery of its range.
Url:
DOI: 10.1111/j.1442-1984.2009.00239.x
Links to Exploration step
ISTEX:6EB877A46109F5CCF67C562F91A69CAA97A1A63BLe document en format XML
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Studies of inbreeding depression during the early life‐history stages revealed significant differences between selfed and crossed progenies in terms of seed mass, germination rates, developmental vigour and mortality rates. Therefore, when pollen delivery is scarce, the plant may fail reproductive assurance via autonomous selfing. The influence of inbreeding depression contributes to a further reduction in recruitment chances in very small D. guliae populations. 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As numerous extinctions have occurred in the past, very few populations are still present. Two years of field surveys revealed high mortality and an absence of recruitment in the southernmost populations of this species. Work in a botanical garden, under semi‐natural conditions, revealed the occurrence of proterandrous hermaphroditism and self‐compatibility. The durable flower lifespan, the competitive effects among flowers and the different outcomes from spontaneous and hand‐performed pollinations (with both self‐ and cross‐pollen) suggested low pollination rates in the experimental stand. Pollinator exclusion experiments revealed a low frequency of delayed autonomous selfing, suggesting that self‐fertilization in D. guliae relies mainly on facilitated selfing and geitonogamy. Studies of inbreeding depression during the early life‐history stages revealed significant differences between selfed and crossed progenies in terms of seed mass, germination rates, developmental vigour and mortality rates. Therefore, when pollen delivery is scarce, the plant may fail reproductive assurance via autonomous selfing. The influence of inbreeding depression contributes to a further reduction in recruitment chances in very small D. guliae populations. Experimental reintroductions are urgent to avoid local extinction at the southern periphery of its range.</abstract><qualityIndicators><score>9.364</score><pdfWordCount>5169</pdfWordCount><pdfCharCount>31744</pdfCharCount><pdfVersion>1.3</pdfVersion><pdfPageCount>8</pdfPageCount><pdfPageSize>595.276 x 810.709 pts</pdfPageSize><refBibsNative>true</refBibsNative><abstractWordCount>197</abstractWordCount><abstractCharCount>1448</abstractCharCount><keywordCount>5</keywordCount></qualityIndicators><title>Do inefficient selfing and inbreeding depression challenge the persistence of the rare Dianthus guliae Janka (Caryophyllaceae)? 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Influence of reproductive traits on a plant's proneness to extinction</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Blackwell Publishing Asia</publisher><pubPlace>Melbourne, Australia</pubPlace><availability><licence>© 2009 The Authors. Journal compilation © 2009 The Society for the Study of Species Biology</licence></availability><date type="published" when="2009-08"></date></publicationStmt><notesStmt><note type="content-type" subtype="article" source="article" scheme="https://content-type.data.istex.fr/ark:/67375/XTP-6N5SZHKN-D">article</note><note type="publication-type" subtype="journal" scheme="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</note></notesStmt><sourceDesc><biblStruct type="article"><analytic><title level="a" type="main">Do inefficient selfing and inbreeding depression challenge the persistence of the rare <hi rend="italic">Dianthus guliae</hi> Janka (Caryophyllaceae)? Influence of reproductive traits on a plant's proneness to extinction</title><title level="a" type="short">REPRODUCTIVE CONSTRAINTS IN D. GULIAE</title><author xml:id="author-0000" role="corresp"><persName><forename type="first">DOMENICO</forename><surname>GARGANO</surname></persName><affiliation>Department of Ecology, University of Calabria, I‐87036, Arcavacata di Rende, Italy<address><country key="IT"></country></address></affiliation><affiliation>Department of Ecology, University of Calabria, I‐87036, Arcavacata di Rende, Italy<address><country key="IT"></country></address></affiliation><affiliation>Domenico Gargano
Email: gargano@unical.it</affiliation></author><author xml:id="author-0001"><persName><forename type="first">TERESA</forename><surname>GULLO</surname></persName><affiliation>Department of Ecology, University of Calabria, I‐87036, Arcavacata di Rende, Italy<address><country key="IT"></country></address></affiliation></author><author xml:id="author-0002"><persName><forename type="first">LILIANA</forename><surname>BERNARDO</surname></persName><affiliation>Department of Ecology, University of Calabria, I‐87036, Arcavacata di Rende, Italy<address><country key="IT"></country></address></affiliation></author><idno type="istex">6EB877A46109F5CCF67C562F91A69CAA97A1A63B</idno><idno type="ark">ark:/67375/WNG-2N5CFXDH-Q</idno><idno type="DOI">10.1111/j.1442-1984.2009.00239.x</idno><idno type="unit">PSBI239</idno><idno type="toTypesetVersion">file:PSBI.PSBI239.pdf</idno></analytic><monogr><title level="j" type="main">Plant Species Biology</title><title level="j" type="alt">PLANT SPECIES BIOLOGY</title><idno type="pISSN">0913-557X</idno><idno type="eISSN">1442-1984</idno><idno type="book-DOI">10.1111/(ISSN)1442-1984</idno><idno type="book-part-DOI">10.1111/psb.2009.24.issue-2</idno><idno type="product">PSBI</idno><idno type="publisherDivision">ST</idno><imprint><biblScope unit="vol">24</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="69">69</biblScope><biblScope unit="page" to="76">76</biblScope><biblScope unit="page-count">8</biblScope><publisher>Blackwell Publishing Asia</publisher><pubPlace>Melbourne, Australia</pubPlace><date type="published" when="2009-08"></date></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><abstract xml:lang="en" style="main"><head>Abstract</head><p>The yellow carnation <hi rend="italic">Dianthus guliae</hi> Janka is a rare endemic of the Italian peninsula. As numerous extinctions have occurred in the past, very few populations are still present. Two years of field surveys revealed high mortality and an absence of recruitment in the southernmost populations of this species. Work in a botanical garden, under semi‐natural conditions, revealed the occurrence of proterandrous hermaphroditism and self‐compatibility. The durable flower lifespan, the competitive effects among flowers and the different outcomes from spontaneous and hand‐performed pollinations (with both self‐ and cross‐pollen) suggested low pollination rates in the experimental stand. Pollinator exclusion experiments revealed a low frequency of delayed autonomous selfing, suggesting that self‐fertilization in <hi rend="italic">D. guliae</hi> relies mainly on facilitated selfing and geitonogamy. Studies of inbreeding depression during the early life‐history stages revealed significant differences between selfed and crossed progenies in terms of seed mass, germination rates, developmental vigour and mortality rates. Therefore, when pollen delivery is scarce, the plant may fail reproductive assurance via autonomous selfing. The influence of inbreeding depression contributes to a further reduction in recruitment chances in very small <hi rend="italic">D. guliae</hi> populations. Experimental reintroductions are urgent to avoid local extinction at the southern periphery of its range.</p></abstract><textClass><keywords xml:lang="en"><term xml:id="k1">conservation</term><term xml:id="k2"><hi rend="italic">Dianthus</hi></term><term xml:id="k3">inbreeding depression</term><term xml:id="k4">pollen limitation</term><term xml:id="k5">reproductive assurance</term></keywords><keywords rend="tocHeading1"><term>ORIGINAL ARTICLES</term></keywords></textClass><langUsage><language ident="en"></language></langUsage></profileDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/6EB877A46109F5CCF67C562F91A69CAA97A1A63B/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>Blackwell Publishing Asia</publisherName><publisherLoc>Melbourne, Australia</publisherLoc></publisherInfo><doi origin="wiley" registered="yes">10.1111/(ISSN)1442-1984</doi><issn type="print">0913-557X</issn><issn type="electronic">1442-1984</issn><idGroup><id type="product" value="PSBI"></id><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="PLANT SPECIES BIOLOGY">Plant Species Biology</title></titleGroup></publicationMeta><publicationMeta level="part" position="08002"><doi origin="wiley">10.1111/psb.2009.24.issue-2</doi><numberingGroup><numbering type="journalVolume" number="24">24</numbering><numbering type="journalIssue" number="2">2</numbering></numberingGroup><coverDate startDate="2009-08">August 2009</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="1" status="forIssue"><doi origin="wiley">10.1111/j.1442-1984.2009.00239.x</doi><idGroup><id type="unit" value="PSBI239"></id></idGroup><countGroup><count type="pageTotal" number="8"></count></countGroup><titleGroup><title type="tocHeading1">ORIGINAL ARTICLES</title></titleGroup><copyright>© 2009 The Authors. Journal compilation © 2009 The Society for the Study of Species Biology</copyright><eventGroup><event type="firstOnline" date="2009-08-11"></event><event type="publishedOnlineFinalForm" date="2009-08-11"></event><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:2.3.2 mode:FullText source:FullText result:FullText" date="2010-03-02"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-02-07"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-11-03"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="69">69</numbering><numbering type="pageLast" number="76">76</numbering></numberingGroup><correspondenceTo>Domenico Gargano
Email: <email>gargano@unical.it</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:PSBI.PSBI239.pdf"></link></linkGroup></publicationMeta><contentMeta><unparsedEditorialHistory>Received 8 October 2008; accepted 21 February 2009</unparsedEditorialHistory><countGroup><count type="figureTotal" number="3"></count><count type="tableTotal" number="5"></count><count type="formulaTotal" number="0"></count><count type="referenceTotal" number="42"></count><count type="wordTotal" number="5807"></count><count type="linksPubMed" number="0"></count><count type="linksCrossRef" number="0"></count></countGroup><titleGroup><title type="main">Do inefficient selfing and inbreeding depression challenge the persistence of the rare <i>Dianthus guliae</i> Janka (Caryophyllaceae)? Influence of reproductive traits on a plant's proneness to extinction</title><title type="shortAuthors">D. GARGANO <i>ET AL.</i></title><title type="short">REPRODUCTIVE CONSTRAINTS IN <i>D. GULIAE</i></title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" noteRef="#fn1" corresponding="yes"><personName><givenNames>DOMENICO</givenNames><familyName>GARGANO</familyName></personName></creator><creator creatorRole="author" xml:id="cr2" noteRef="#fn1"><personName><givenNames>TERESA</givenNames><familyName>GULLO</familyName></personName></creator><creator creatorRole="author" xml:id="cr3" noteRef="#fn1"><personName><givenNames>LILIANA</givenNames><familyName>BERNARDO</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="aff-1-1" countryCode="IT"><unparsedAffiliation>Department of Ecology, University of Calabria, I‐87036, Arcavacata di Rende, Italy</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">conservation</keyword><keyword xml:id="k2"><i>Dianthus</i></keyword><keyword xml:id="k3">inbreeding depression</keyword><keyword xml:id="k4">pollen limitation</keyword><keyword xml:id="k5">reproductive assurance</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>The yellow carnation <i>Dianthus guliae</i> Janka is a rare endemic of the Italian peninsula. As numerous extinctions have occurred in the past, very few populations are still present. Two years of field surveys revealed high mortality and an absence of recruitment in the southernmost populations of this species. Work in a botanical garden, under semi‐natural conditions, revealed the occurrence of proterandrous hermaphroditism and self‐compatibility. The durable flower lifespan, the competitive effects among flowers and the different outcomes from spontaneous and hand‐performed pollinations (with both self‐ and cross‐pollen) suggested low pollination rates in the experimental stand. Pollinator exclusion experiments revealed a low frequency of delayed autonomous selfing, suggesting that self‐fertilization in <i>D. guliae</i> relies mainly on facilitated selfing and geitonogamy. Studies of inbreeding depression during the early life‐history stages revealed significant differences between selfed and crossed progenies in terms of seed mass, germination rates, developmental vigour and mortality rates. Therefore, when pollen delivery is scarce, the plant may fail reproductive assurance via autonomous selfing. The influence of inbreeding depression contributes to a further reduction in recruitment chances in very small <i>D. guliae</i> populations. Experimental reintroductions are urgent to avoid local extinction at the southern periphery of its range.</p></abstract></abstractGroup></contentMeta><noteGroup><note xml:id="fn1"><label>1</label><p>
Present address: Museo di Storia Naturale della Calabria ed Orto Botanico dell'Università della Calabria, I‐87036, Arcavacata di Rende, Italy.</p></note></noteGroup></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Do inefficient selfing and inbreeding depression challenge the persistence of the rare Dianthus guliae Janka (Caryophyllaceae)? Influence of reproductive traits on a plant's proneness to extinction</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>REPRODUCTIVE CONSTRAINTS IN D. GULIAE</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Do inefficient selfing and inbreeding depression challenge the persistence of the rare Dianthus guliae Janka (Caryophyllaceae)? Influence of reproductive traits on a plant's proneness to extinction</title></titleInfo><name type="personal"><namePart type="given">DOMENICO</namePart><namePart type="family">GARGANO</namePart><affiliation>Department of Ecology, University of Calabria, I‐87036, Arcavacata di Rende, Italy</affiliation><affiliation>E-mail: gargano@unical.it</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">TERESA</namePart><namePart type="family">GULLO</namePart><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">LILIANA</namePart><namePart type="family">BERNARDO</namePart><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-6N5SZHKN-D">article</genre><originInfo><publisher>Blackwell Publishing Asia</publisher><place><placeTerm type="text">Melbourne, Australia</placeTerm></place><dateIssued encoding="w3cdtf">2009-08</dateIssued><edition>Received 8 October 2008; accepted 21 February 2009</edition><copyrightDate encoding="w3cdtf">2009</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><extent unit="figures">3</extent><extent unit="tables">5</extent><extent unit="formulas">0</extent><extent unit="references">42</extent><extent unit="linksCrossRef">0</extent><extent unit="words">5807</extent></physicalDescription><abstract lang="en">The yellow carnation Dianthus guliae Janka is a rare endemic of the Italian peninsula. As numerous extinctions have occurred in the past, very few populations are still present. Two years of field surveys revealed high mortality and an absence of recruitment in the southernmost populations of this species. Work in a botanical garden, under semi‐natural conditions, revealed the occurrence of proterandrous hermaphroditism and self‐compatibility. The durable flower lifespan, the competitive effects among flowers and the different outcomes from spontaneous and hand‐performed pollinations (with both self‐ and cross‐pollen) suggested low pollination rates in the experimental stand. Pollinator exclusion experiments revealed a low frequency of delayed autonomous selfing, suggesting that self‐fertilization in D. guliae relies mainly on facilitated selfing and geitonogamy. Studies of inbreeding depression during the early life‐history stages revealed significant differences between selfed and crossed progenies in terms of seed mass, germination rates, developmental vigour and mortality rates. Therefore, when pollen delivery is scarce, the plant may fail reproductive assurance via autonomous selfing. The influence of inbreeding depression contributes to a further reduction in recruitment chances in very small D. guliae populations. Experimental reintroductions are urgent to avoid local extinction at the southern periphery of its range.</abstract><subject lang="en"><genre>keywords</genre><topic>conservation</topic><topic>Dianthus</topic><topic>inbreeding depression</topic><topic>pollen limitation</topic><topic>reproductive assurance</topic></subject><relatedItem type="host"><titleInfo><title>Plant Species Biology</title></titleInfo><genre type="journal" authority="ISTEX" authorityURI="https://publication-type.data.istex.fr" valueURI="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</genre><identifier type="ISSN">0913-557X</identifier><identifier type="eISSN">1442-1984</identifier><identifier type="DOI">10.1111/(ISSN)1442-1984</identifier><identifier type="PublisherID">PSBI</identifier><part><date>2009</date><detail type="volume"><caption>vol.</caption><number>24</number></detail><detail type="issue"><caption>no.</caption><number>2</number></detail><extent unit="pages"><start>69</start><end>76</end><total>8</total></extent></part></relatedItem><identifier type="istex">6EB877A46109F5CCF67C562F91A69CAA97A1A63B</identifier><identifier type="ark">ark:/67375/WNG-2N5CFXDH-Q</identifier><identifier type="DOI">10.1111/j.1442-1984.2009.00239.x</identifier><identifier type="ArticleID">PSBI239</identifier><accessCondition type="use and reproduction" contentType="copyright">© 2009 The Authors. 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