183 lines
13 KiB
XML
183 lines
13 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.56.36079" ID-GBIF-Dataset="50ed5503-499b-4b41-8e64-9dff5230e604" ID-PMC="PMC6637038" ID-Pensoft-Pub="1314-4049-56-49" ID-PubMed="31341399" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1314-4049-56-49" ModsDocOrigin="MycoKeys 56" ModsDocTitle="Nectria-related fungi causing dieback and canker diseases in China, with Neothyronectriacitri sp. nov. described" checkinTime="1562806757137" checkinUser="pensoft" docAuthor="Yang, Qin, Chen, Wen-Yan, Jiang, Ning & Tian, Cheng-Ming" docDate="2019" docId="E51DC920FC26AC7882D9FD0DB6B5ED18" docLanguage="en" docName="MycoKeys 56: 49-66" docOrigin="MycoKeys 56" docSource="http://dx.doi.org/10.3897/mycokeys.56.36079" docTitle="Neothyronectria citri C. M. Tian & Q. Yang, sp. nov." docType="treatment" docVersion="4" lastPageNumber="49" masterDocId="1276872AFFAFFFDCBB64FFFCFF8CD962" masterDocTitle="Nectria-related fungi causing dieback and canker diseases in China, with Neothyronectriacitri sp. nov. described" masterLastPageNumber="66" masterPageNumber="49" pageNumber="49" updateTime="1668136283647" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Nectria-related fungi causing dieback and canker diseases in China, with Neothyronectriacitri sp. nov. described</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Yang, Qin</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Chen, Wen-Yan</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Jiang, Ning</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Tian, Cheng-Ming</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>MycoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>56</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>49</mods:start>
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<mods:end>66</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/mycokeys.56.36079</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.56.36079</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-56-49</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="158599587" LSID="urn:lsid:plazi:treatment:E51DC920FC26AC7882D9FD0DB6B5ED18" httpUri="http://treatment.plazi.org/id/E51DC920FC26AC7882D9FD0DB6B5ED18" lastPageNumber="49" pageId="0" pageNumber="49">
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<subSubSection pageId="0" pageNumber="49" type="nomenclature">
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<paragraph pageId="0" pageNumber="49">
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<taxonomicName LSID="830779" authority="C. M. Tian & Q. Yang" class="Sordariomycetes" family="Nectriaceae" genus="Neothyronectria" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Neothyronectria citri" order="Hypocreales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="citri">Neothyronectria citri C.M. Tian & Q. Yang</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="49">sp. nov.</taxonomicNameLabel>
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Figure 4
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="49" type="diagnosis">
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<paragraph pageId="0" pageNumber="49">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="49">
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<taxonomicName class="Sordariomycetes" genus="Neothyronectria" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Neothyronectria citri" order="Hypocreales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="citri">Neothyronectria citri</taxonomicName>
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differs from its closest phylogenetic neighbour
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<taxonomicName class="Sordariomycetes" genus="Neothyronectria" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Neothyronectria sophorae" order="Hypocreales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="sophorae">Neothyronectria sophorae</taxonomicName>
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in ITS, LSU and tub2 loci, based on the alignments deposited in TreeBASE.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="49" type="holotype">
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<paragraph pageId="0" pageNumber="49">Holotype.</paragraph>
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<paragraph pageId="0" pageNumber="49">
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CHINA. Jiangxi Province: Ganzhou city,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="25.857742">25°51'27.87"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="114.97193">114°58'18.95"E</geoCoordinate>
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, on symptomatic branches of
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<taxonomicName class="Magnoliopsida" family="Rutaceae" genus="Citrus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Citrus maxima" order="Sapindales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="maxima">Citrus maxima</taxonomicName>
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(Burm.) Merr. cv. Shatian Yu, 11 May 2018, Q. Yang, Y.M. Liang & Y. Liu (holotype BJFC-S1770 designated here, ex-type culture CFCC 53590).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="49" type="etymology">
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<paragraph pageId="0" pageNumber="49">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="49">
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Named after the host genus on which it was collected,
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<taxonomicName class="Magnoliopsida" family="Rutaceae" genus="Citrus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Citrus" order="Sapindales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="genus">Citrus</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="49" type="description">
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<paragraph pageId="0" pageNumber="49">Description.</paragraph>
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<paragraph pageId="0" pageNumber="49">
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Mycelium not visible around ascomata or on the host. Stromata erumpent through epidermis, up to 0.6 mm high and 1 mm diam., pseudoparenchymatous, cells forming textura angularis to t. globulosa, intergrading with ascomatal wall. Ascomata superficial on well-developed stromata, scattered to aggregated in groups of 3-10, subglobose to globose, 200-270
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<normalizedToken originalValue="μm">μm</normalizedToken>
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diam., rarely slightly cupulate upon drying, sometimes with only a depressed apical region, yellowish-brown to grey, apical region slightly darker, no colour change in KOH or LA, sometimes surface scurfy or scaly, bright yellow to greenish-yellow. Ascomatal surface cells forming textura globulosa or t. angularis, sometimes including bright yellow scurf, 9-15
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<normalizedToken originalValue="μm">μm</normalizedToken>
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diam., walls pigmented, uniformly about 1.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick. Ascomatal wall 27-46
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick, of two regions: outer region 22-35
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick, intergrading with stroma, cells forming textura globulosa or t. angularis, walls pigmented, about 1.5
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick; inner region 9-15
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick, of elongate, thin-walled, hyaline cells, forming textura prismatica. Asci clavate, unitunicate, 53.5-65
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<normalizedToken originalValue="×">x</normalizedToken>
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8.5-11
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, with inconspicuous ring at apex, 4-spored. Ascospores allantoid to short-cylindrical, uniseriate, rounded at both ends, (17
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<normalizedToken originalValue="–)18–21(–">-)18-21(-</normalizedToken>
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23.5)
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<normalizedToken originalValue="×">x</normalizedToken>
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8
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<normalizedToken originalValue="–9(–">-9(-</normalizedToken>
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10)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(n = 20), muriform, hyaline to slightly yellowish-brown.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="49" type="description">
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<paragraph pageId="0" pageNumber="49">Culture characters.</paragraph>
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<paragraph pageId="0" pageNumber="49">Cultures incubated on PDA at 25 °C in darkness. Colony originally flat with white aerial mycelium, becoming pale yellowish due to pigment formation, conidiomata absent.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="49" type="additional specimen examined">
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<paragraph pageId="0" pageNumber="49">Additional specimen examined.</paragraph>
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<paragraph pageId="0" pageNumber="49">
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CHINA. Jiangxi Province: Ganzhou City,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="25.857742">25°51'27.87"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="114.97193">114°58'18.95"E</geoCoordinate>
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, on symptomatic branches of
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<taxonomicName class="Magnoliopsida" family="Rutaceae" genus="Citrus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Citrus maxima" order="Sapindales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="maxima">Citrus maxima</taxonomicName>
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(Burm.) Merr. cv. Shatian Yu, 11 May 2018, Q. Yang, Y.M. Liang & Y. Liu (BJFC-S1771, living culture CFCC 53591).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="49" type="notes">
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<paragraph pageId="0" pageNumber="49">Note.</paragraph>
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<paragraph pageId="0" pageNumber="49">
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<taxonomicName class="Sordariomycetes" genus="Neothyronectria" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Neothyronectria citri" order="Hypocreales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="citri">Neothyronectria citri</taxonomicName>
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, as described here, is known from an ascomatal sexual morph phylogenetically allied to species of
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<taxonomicName class="Sordariomycetes" genus="Allantonectria" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Allantonectria" pageId="0" pageNumber="49" phylum="Ascomycota" rank="genus">Allantonectria</taxonomicName>
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and
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<taxonomicName class="Sordariomycetes" family="Thyridiaceae" genus="Thyronectria" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Thyronectria" order="Hypocreales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="genus">Thyronectria</taxonomicName>
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(Fig. 1). In this study, two strains representing
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<taxonomicName class="Sordariomycetes" genus="Neothyronectria" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Neothyronectria citri" order="Hypocreales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="citri">Neothyronectria citri</taxonomicName>
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cluster in a well-supported clade and appear most closely related to
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<taxonomicName class="Sordariomycetes" genus="Neothyronectria" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Neothyronectria sophorae" order="Hypocreales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="sophorae">Neothyronectria sophorae</taxonomicName>
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, which was isolated from
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<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Sophora" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sophora microphylla" order="Fabales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="microphylla">Sophora microphylla</taxonomicName>
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in New Zealand (
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<bibRefCitation author="Crous, PW" journalOrPublisher="Persoonia" pageId="0" pageNumber="49" pagination="218 - 403" title="Fungal Planet description sheets: 469 - 557." url="https://doi.org/10.3767/003158516X694499" volume="37" year="2016">Crous et al. 2016</bibRefCitation>
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).
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<taxonomicName class="Sordariomycetes" genus="Neothyronectria" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Neothyronectria citri" order="Hypocreales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="citri">Neothyronectria citri</taxonomicName>
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can be distinguished, based on ITS, LSU and tub2 loci from
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<taxonomicName class="Sordariomycetes" genus="Neothyronectria" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Neothyronectria sophorae" order="Hypocreales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="sophorae">Neothyronectria sophorae</taxonomicName>
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(16/464 in ITS, 9/772 in LSU and 60/494 in tub2).
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</paragraph>
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<caption pageId="0" pageNumber="49">
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<paragraph pageId="0" pageNumber="49">
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Figure 4.
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<taxonomicName class="Sordariomycetes" genus="Neothyronectria" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Neothyronectria citri" order="Hypocreales" pageId="0" pageNumber="49" phylum="Ascomycota" rank="species" species="citri">Neothyronectria citri</taxonomicName>
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(CFCC 53590)
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<normalizedToken originalValue="A–B">A-B</normalizedToken>
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habit of conidiomata on branches C transverse section of conidioma D longitudinal section of conidioma
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<normalizedToken originalValue="E–F">E-F</normalizedToken>
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asci
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<normalizedToken originalValue="G–H">G-H</normalizedToken>
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ascospores. Scale bars: 500
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<normalizedToken originalValue="B–D">B-D</normalizedToken>
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); 10
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<normalizedToken originalValue="E–H">E-H</normalizedToken>
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).
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |