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<document id="C98AE507832BD886397F80D726BA24D0" ID-DOI="10.3897/mycokeys.105.119536" ID-publisher-id="119536" URI-arpha="54724331-66A7-5219-95B5-7306653A0A2D" XM.bibliography_approvedBy="admin" XM.materialsCitations_approvedBy="admin" XM.taxonomicNames_approvedBy="admin" article-type="research-article" checkinTime="1717010140543" checkinUser="pensoft" docAuthor="Wang, Yuchun, Tu, Yiyi, Chen, Xueling, Jiang, Hong, Ren, Hengze, Lu, Qinhua, Wei, Chaoling &amp; Lv, Wuyun" docDate="2024" docId="F8567622B922525A9740472B505970CD" docLanguage="en" docName="MycoKeys 105: 217-251" docOrigin="MycoKeys 105" docSource="https://mycokeys.pensoft.net/article/119536/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.mycokeys" docStyleName="PensoftTaxPub.0000.journal_article.mycokeys" docTitle="Didymella yunnanensis Y. Wang, Y. Tu, X. Chen, H. Jiang, H. Ren, Q. Lu, C. Wei &amp; W. Lv 2024, sp. nov." docType="treatment" docVersion="3" dtd-version="3.0" lastPageNumber="251" masterDocId="5472433166A7521995B57306653A0A2D" masterDocTitle="Didymellaceae species associated with tea plant (Camellia sinensis) in China" masterLastPageNumber="251" masterPageNumber="217" pageNumber="217" updateTime="1717029935025" updateUser="admin">
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<mods:title id="E5391562D4F5AEE2B5A5C7BE3C88A8AE">Didymellaceae species associated with tea plant (Camellia sinensis) in China</mods:title>
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<mods:name id="4DF031061188AD41A20F1E64462AE7F5" type="personal">
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<mods:namePart id="62911A17C74A7BD115E6EFE87BE664B8">Wang, Yuchun</mods:namePart>
<mods:affiliation id="B981027AE8B316DE980421DD57587EE2">College of Tea Science and Tea Culture, Zhejiang A &amp; F University, Hangzhou 311300, Zhejiang, China</mods:affiliation>
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<mods:namePart id="A029B02FBD62DF05466E2BD158289AE1">Tu, Yiyi</mods:namePart>
<mods:affiliation id="D517C56CEB839F9745FB3343BCDF0C95">College of Tea Science and Tea Culture, Zhejiang A &amp; F University, Hangzhou 311300, Zhejiang, China</mods:affiliation>
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<mods:namePart id="B0742128CD0DF8126B8A820592A2DB1C">Chen, Xueling</mods:namePart>
<mods:affiliation id="9103CE4C41EA7475B1426878C0AF5BB7">College of Tea Science and Tea Culture, Zhejiang A &amp; F University, Hangzhou 311300, Zhejiang, China</mods:affiliation>
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<mods:namePart id="562A9A5420CE5029E48F2EFD53F70724">Jiang, Hong</mods:namePart>
<mods:affiliation id="E20B87EA238221B8FE9BBB6A70E08988">College of Tea Science and Tea Culture, Zhejiang A &amp; F University, Hangzhou 311300, Zhejiang, China</mods:affiliation>
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<mods:namePart id="9120E0EE3D5DC312DAA931095659A51F">Ren, Hengze</mods:namePart>
<mods:affiliation id="B0209100F6F9C184BEEB05B2E850E736">College of Tea Science and Tea Culture, Zhejiang A &amp; F University, Hangzhou 311300, Zhejiang, China</mods:affiliation>
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<mods:namePart id="4AD55D3BB40B1FD295285432EDD084B2">Lu, Qinhua</mods:namePart>
<mods:affiliation id="38A1DF064F5C65D6959E78A2E903F18A">Institute of Sericulture and Tea, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China</mods:affiliation>
</mods:name>
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<mods:namePart id="E145828D3C0F1ECCDCEBC3B9D0C15427">Wei, Chaoling</mods:namePart>
<mods:affiliation id="C8FAC9601BBE7DA9CDC42B8CF0EA3879">State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang West Road, Hefei, 230036, Anhui, China</mods:affiliation>
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<mods:namePart id="367577F444DD589CD97846906407FB89">Lv, Wuyun</mods:namePart>
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<mods:affiliation id="D3340BA73D34533D4FCD5D82FBC5D555">College of Tea Science and Tea Culture, Zhejiang A &amp; F University, Hangzhou 311300, Zhejiang, China</mods:affiliation>
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<mods:title id="A1136A0528E4DACBE0284078DD151A75">MycoKeys</mods:title>
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<mods:date id="94829B5714BA9C2675A56F0B1FE7DD3D">2024</mods:date>
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<mods:number id="EFFE04B3A6869F1ED7C7AEE76EBE28E2">2024-05-29</mods:number>
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<mods:number id="7BF0BC143B6314868CF98DB3C9D396BE">105</mods:number>
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<mods:classification id="B752490A4BD2014CC4DCAAA7BBA5B244">journal article</mods:classification>
<mods:identifier id="AD3C1FF5E62DF023C2A468BE3141D95F" type="DOI">10.3897/mycokeys.105.119536</mods:identifier>
</mods:mods>
<treatment id="F8567622B922525A9740472B505970CD" ID-DOI="http://doi.org/10.5281/zenodo.11390992" ID-Zenodo-Dep="11390992" ID-arpha="F8567622-B922-525A-9740-472B505970CD" ID-mycobank="848984" LSID="urn:lsid:plazi:treatment:F8567622B922525A9740472B505970CD" httpUri="http://treatment.plazi.org/id/F8567622B922525A9740472B505970CD">
<subSubSection id="B3A5DCEBC542431BBAE4862176235A3B" type="nomenclature">
<paragraph id="1CC877C0D89E6B6AF9EF86DA44CA1B45">
<taxonomicName id="FAE972E3CC9464D54833109EB37E8C46" authority="Y. Wang, Y. Tu, X. Chen, H. Jiang, H. Ren, Q. Lu, C. Wei &amp; W. Lv" authorityName="Y. Wang, Y. Tu, X. Chen, H. Jiang, H. Ren, Q. Lu, C. Wei &amp; W. Lv" authorityYear="2024" class="Dothideomycetes" family="Didymellaceae" genus="Didymella" kingdom="Fungi" order="Pleosporales" phylum="Ascomycota" rank="species" species="yunnanensis" status="sp. nov.">
<emphasis id="97EBC2DBB282D03661B1D8035BE13655" italics="true">Didymella yunnanensis</emphasis>
Y. Wang, Y. Tu, X. Chen, H. Jiang, H. Ren, Q. Lu, C. Wei &amp; W. Lv
</taxonomicName>
<taxonomicNameLabel id="E1250D094C44F08060F5F3E2B26E100E" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="061A0E5E8EC59CF612353BBA7EE9C948" type="description">
<paragraph id="0A6AA2AF3E6E765268DF29E0B925942F">
<figureCitation id="DA01809D36A0F2848FE97F2BB2D5A8B9" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Didymella yunnanensis CGMCC 3.24241 (YCW 1909) A, B colony on PDA (front and reverse) C, D colony on OA (front and reverse) E myceli F pycnidia forming on PDA G conidia. Scale bars: 10 μm (E G)." figureDoi="10.3897/mycokeys.105.119536.figure5" httpUri="https://binary.pensoft.net/fig/1058573">Fig. 5</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EG1BG" type="etymology">
<paragraph id="37F3811F5776BE0BA5FF67BAE8F43A0A">
<heading id="665512DE4B96631A3A83C1533CD77ACE" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="1D9EED2F35B98827E3EC6F2F7085525B">
Named after the location where it was collected,
<collectingRegion id="391E183276EA0B8B2EFDB13FF2AF38C9" country="China" name="Yunnan">Yunnan Province</collectingRegion>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EL1BG" type="description">
<paragraph id="2D6DC896644B224D04C74113502C2BF2">
<heading id="0EF68483F47DD5E86BBA322ADEBD91A4" reason="title">Description.</heading>
</paragraph>
<paragraph id="CA80E1ED432D07C1AC5B0283FC924520">
<emphasis id="DA20533A26E84729F7662510A931CC30" bold="true" italics="true">Sexual morph</emphasis>
: undetermined.
<emphasis id="FB41070ED45D22CC70B6A5C62BAA54CA" bold="true" italics="true">Asexual morph</emphasis>
: Pycnidia smooth, subglobose to ellipsoidal, hyaline. Conidia ellipsoidal to subcylindrical, pale, smooth- and thin-walled, abundant, generated from pycnidia, aseptate, 46.5 × 1.82.6 µm (av. = 5.2 ± 0.5 × 2.3 ± 0.2 µm, n = 30). Mycelia sparsely branched from subapical hyphal compartments (lateral branching), septate, hyaline.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EZ1BG" type="description">
<paragraph id="80097C76E5299F4975ECC84C40944B9C">
<heading id="8EE56A3D688BB5EB3A783310C0B6933A" reason="title">Culture characteristics.</heading>
</paragraph>
<paragraph id="0E8CC117F470E4A7D2F2D327C4FF2089">
Colonies on PDA have scarce aerial mycelium reaching
<quantity id="AD589797A8319794390B16EFF38AA2DF" metricMagnitude="-2" metricUnit="m" metricValue="2.55" metricValueMax="2.7" metricValueMin="2.4" unit="mm" value="25.5" valueMax="27.0" valueMin="24.0">2427 mm</quantity>
diam. after being cultured for 7 days at 28 ° C in the dark, margin regular, olive in the centre, white edges; black on the reverse, white edges. Pycnidia and conidia produced on the colony surface after being cultured for 14 days at 28 ° C in the dark. Colonies on
<abbrev id="ABBRID0E61BG" xlink_title="oatmeal agar">OA</abbrev>
reaching
<quantity id="B9E9C33BF650C78D23B07C904A4ED4EA" metricMagnitude="-2" metricUnit="m" metricValue="1.95" metricValueMax="2.1" metricValueMin="1.8" unit="mm" value="19.5" valueMax="21.0" valueMin="18.0">1821 mm</quantity>
diam. after 7 days at 28 ° C in the dark, margin regular, aerial mycelium flat, black in the centre, white edges; olive on the reverse, white edges.
</paragraph>
<caption id="AEE33AC9B7649AA686E679D06E6974FA" ID-DOI="10.3897/mycokeys.105.119536.figure5" ID-arpha="C73AB53D-F1BA-5991-B5AB-ED6A948FA6E7" httpUri="https://binary.pensoft.net/fig/1058573" startId="F5">
<paragraph id="AC40A22F4A94619CE9BF86E3B4F0E756">
<label id="DB5FAB92F525FC3993A6CEE3B0C35F43">Figure 5.</label>
</paragraph>
<paragraph id="494DDE169807EB79046BC565B9231986">
<taxonomicName id="ADC5D583AF6528F130EBEC1BF36903C8" authority="CGMCC" authorityName="CGMCC" class="Dothideomycetes" family="Didymellaceae" genus="Didymella" kingdom="Fungi" order="Pleosporales" phylum="Ascomycota" rank="species" species="yunnanensis">
<emphasis id="7B927A0801EC72163F233B45960D47D5" italics="true">Didymella yunnanensis</emphasis>
<specimenCode id="D36C77B22F4E51DA258C5CDD0953BA36">
<named-content id="3C0F3F24D184C9BEBBDF79FF35413121" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/china-general-microbiological-culture-collection-center-chinese-academy-sciences" xlink_title="China General Microbiological Culture Collection Center">CGMCC</named-content>
3.24241
</specimenCode>
</taxonomicName>
(
<specimenCode id="B5BF363F95ED9942E808C0CE2441EB50">YCW 1909</specimenCode>
)
<emphasis id="B8223E8FC3298AFCE6C1D4EAB6CFA575" bold="true">A, B</emphasis>
colony on PDA (front and reverse)
<emphasis id="D375F601E11B6C0719B34AC83BCAF17F" bold="true">C, D</emphasis>
colony on
<abbrev id="ABBRID0E62BG" xlink_title="oatmeal agar">OA</abbrev>
(front and reverse)
<emphasis id="DE14CB45D6846FFCE05CBE3E56DACE28" bold="true">E</emphasis>
myceli
<emphasis id="F26217C97E9E198CACD8C23B0209756D" bold="true">F</emphasis>
pycnidia forming on PDA
<emphasis id="CD890E989CFEFD83ECED2937E1482283" bold="true">G</emphasis>
conidia. Scale bars: 10 μm (
<emphasis id="0951A8DF9AAA79363290D908A2D09F05" bold="true">E G</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="SECID0EQ3BG" type="material">
<paragraph id="1B0A0792FC626FDCDD08EE624DF71C35">
<heading id="A341B7223A9C7F51FA9FECAC5D504F6E" reason="title">Materials examined.</heading>
</paragraph>
<paragraph id="B7626833370499140CD837BF66F53F6E">
<materialsCitation id="2FF65D837119D6A1F4C771D87032776D" collectedFrom="from healthy leaves of C. sinensis cv. Longjing 43" collectingDate="2020-06-16" collectionCode="HMAS, CGMCC" collectorName="Y. C. Wang" country="China" county="Jingdong Yizu Autonomous County" location="Puer City" municipality="Puer City" specimenCode="HMAS 352387, CGMCC 3.24241, YCW 1909" specimenCount="1" stateProvince="Yunnan Province" typeStatus="holotype">
<collectingCountry id="0A9B1BE662EA5C51A39F4CCC3987915C" name="China">China</collectingCountry>
,
<collectingRegion id="44483D472BECA17ED7119CDAF2FF86DC" country="China" name="Yunnan">Yunnan Province</collectingRegion>
,
<collectingMunicipality id="959416ED22E9A1B4B82FDE8ED5F03C84">Puer City</collectingMunicipality>
,
<collectingCounty id="D2905ADA547147F7BE2EEE6B2534BB0F">Jingdong Yizu Autonomous County</collectingCounty>
,
<collectedFrom id="D14BD9E073338C6D808B85CE7AA7FB54">
<collectedFrom id="93A9C0A15E728D847C2FC77913D2D7C3">
from healthy leaves of
<taxonomicName id="26C11FAA19BB504409FFBA912835E01A" class="Dothideomycetes" family="Didymellaceae" genus="Didymella" kingdom="Fungi" order="Pleosporales" phylum="Ascomycota" rank="species" species="sinensis">
<emphasis id="614D1681C9C75DAE9EEAB72B07AD69C6" italics="true">C. sinensis</emphasis>
</taxonomicName>
</collectedFrom>
cv.
<emphasis id="6FDB17F62F2A47F5D7AF82C68729FA4D" italics="true">Longjing 43</emphasis>
</collectedFrom>
,
<date id="7DE26E2D2AFEB1013C7C398E10A470BC" value="2020-06-16">
<collectingDate id="A958329730140ADF774C4F91D11575CA" value="2020-06-16">16 Jun 2020</collectingDate>
</date>
,
<collectorName id="D234381794125CD07A02C50830EC5FA7">Y. C. Wang</collectorName>
,
<typeStatus id="AE30B14C0D7C09A1A5AEEA200368554F" type="holotype">Holotype</typeStatus>
<specimenCode id="4A85B9F911B121A11C248E91CCE707E4" collectionCode="HMAS" country="China" httpUri="http://grbio.org/cool/qht3-g0qs" name="Chinese Academy of Sciences" type="Herbarium">
<named-content id="C7D8E17C5AAE6FBEAA8092C312A36E25" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/chinese-academy-sciences" xlink_title="Mycological Herbarium, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China">HMAS</named-content>
352387
</specimenCode>
, culture ex-type
<specimenCode id="901203A21A21FD0FF92984EE62BC91A1" collectionCode="CGMCC" country="China" httpUri="http://grbio.org/cool/myms-whqv" name="China General Microbiological Culture Collection Center, Chinese Academy of Sciences" type="">
<named-content id="5C30386DF044D53217574A2AFCCB8BD4" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/china-general-microbiological-culture-collection-center-chinese-academy-sciences" xlink_title="China General Microbiological Culture Collection Center">CGMCC</named-content>
3.24241
</specimenCode>
=
<specimenCode id="A1CF58EE5DD5B57AEE6EA629753E417C">YCW 1909</specimenCode>
.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EN4BG" type="notes">
<paragraph id="8FCE0FEA29AC7C6208AA6C87F4984CDD">
<heading id="A70E623E6ECD11626D290331E6D1AFFA" reason="title">Notes.</heading>
</paragraph>
<paragraph id="6BDE6E44E8694C64C9118ADF80B335C6">
<taxonomicName id="DED70305001B7CEA203EC14D32BF01DB" class="Dothideomycetes" family="Didymellaceae" genus="Didymella" kingdom="Fungi" order="Pleosporales" phylum="Ascomycota" rank="species" species="yunnanensis">
<emphasis id="072A30189394272095914365E9EF3610" italics="true">Didymella yunnanensis</emphasis>
</taxonomicName>
is closely related to
<taxonomicName id="E42BCDF6F968DCEB292CD757E34C6A71" class="Dothideomycetes" family="Didymellaceae" genus="Didymella" kingdom="Fungi" order="Pleosporales" phylum="Ascomycota" rank="species" species="prosopidis">
<emphasis id="3B23C0360661EEA554339D58BB20AE66" italics="true">D. prosopidis</emphasis>
</taxonomicName>
with high statistical support (88 % / 0.92,
<abbrev id="ABBRID0EJ5BG" xlink_title="Maximum Likelihood">ML</abbrev>
/ PP, Fig.
<figureCitation id="2A8DECBDC9E8E4253F3FEF8313BD9E44" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Phylogenetic tree generated by Maximum Likelihood analysis, based on the combined ITS, LSU, RPB 2 and TUB 2 dataset of Didymella species. Bootstrap support values above 50 % and Bayesian posterior values above 0.75 are shown at each node (ML / PP). Pleiochaeta setosa CBS 118.25 / CBS 496.63 and Coniothyrium palmarum CBS 400.71 are used as outgroups. Ex-type strains are emphasised in bold." figureDoi="10.3897/mycokeys.105.119536.figure2" httpUri="https://binary.pensoft.net/fig/1058570">2</figureCitation>
).
<taxonomicName id="2160406B5A253EB7EBD9E9A63B75D8B1" class="Dothideomycetes" family="Didymellaceae" genus="Didymella" kingdom="Fungi" order="Pleosporales" phylum="Ascomycota" rank="species" species="yunnanensis">
<emphasis id="78F38C4567967277AEA28F5B0A887C69" italics="true">Didymella yunnanensis</emphasis>
</taxonomicName>
has 85 bp differences in LSU locus from
<taxonomicName id="056BDBD91C6FB8C3B985E79ECD8C6E54" class="Dothideomycetes" family="Didymellaceae" genus="Didymella" kingdom="Fungi" order="Pleosporales" phylum="Ascomycota" rank="species" species="prosopidis">
<emphasis id="EEBD64DBDBB3E8B8B12BB3C67E0C1F7E" italics="true">D. prosopidis</emphasis>
</taxonomicName>
. In addition,
<taxonomicName id="20DE1CF6E43666BB427F93A5129D8A35" class="Dothideomycetes" family="Didymellaceae" genus="Didymella" kingdom="Fungi" order="Pleosporales" phylum="Ascomycota" rank="species" species="yunnanensis">
<emphasis id="1C82A37A13DEA4693C9362C25781622A" italics="true">D. yunnanensis</emphasis>
</taxonomicName>
can be distinguished from
<taxonomicName id="43DC186DBA7B9D338636850537B0F10D" class="Dothideomycetes" family="Didymellaceae" genus="Didymella" kingdom="Fungi" order="Pleosporales" phylum="Ascomycota" rank="species" species="prosopidis">
<emphasis id="438F2C2689DCE7D7D3915F7A2FDFEB22" italics="true">D. prosopidis</emphasis>
</taxonomicName>
by the morphological features of conidia and the conidia size of
<taxonomicName id="55BC91AF161C7DB0739ED3E8B82E7EC5" class="Dothideomycetes" family="Didymellaceae" genus="Didymella" kingdom="Fungi" order="Pleosporales" phylum="Ascomycota" rank="species" species="yunnanensis">
<emphasis id="C1713FD8D2108FE4728354497D454429" italics="true">D. yunnanensis</emphasis>
</taxonomicName>
(46.5 × 1.82.6 µm) is smaller than that of
<taxonomicName id="33ED495BBCDC45CF1A458A1EBF8EFEA9" class="Dothideomycetes" family="Didymellaceae" genus="Didymella" kingdom="Fungi" order="Pleosporales" phylum="Ascomycota" rank="species" species="prosopidis">
<emphasis id="B7EEABF4FAE25BAC22AFAD9E83CB3F70" italics="true">D. prosopidis</emphasis>
</taxonomicName>
(57 × 2.53.5 µm). In the present study,
<taxonomicName id="AE32EAC7E475557E369042241EECBD64" class="Dothideomycetes" family="Didymellaceae" genus="Didymella" kingdom="Fungi" order="Pleosporales" phylum="Ascomycota" rank="species" species="yunnanensis">
<emphasis id="4AEBA5235A00DEFC7FB4C3F65861D003" italics="true">Didymella yunnanensis</emphasis>
</taxonomicName>
was isolated from healthy tea plant leaves.
</paragraph>
</subSubSection>
</treatment>
</document>