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<document ID-DOI="http://dx.doi.org/10.3897/BDJ.9.e65227" ID-PMC="PMC8084853" ID-Pensoft-Pub="1314-2828-9-e65227" ID-Pensoft-UUID="FDB3ECDA44AF515695C505108B9C2639" ID-PubMed="33935560" ModsDocID="1314-2828-9-e65227" checkinTime="1619184978549" checkinUser="pensoft" docAuthor="Chen, Jia-Jia, Feng, Hui, Yu, Jian, Ye, Wenwu &amp; Zheng, Xiaobo" docDate="2021" docId="3F822E05AFE4554FBCFD394C117AF0E7" docLanguage="en" docName="BiodivDatJour 9: e65227" docOrigin="Biodiversity Data Journal 9" docPubDate="2021-04-22" docSource="http://dx.doi.org/10.3897/BDJ.9.e65227" docTitle="Pythium huanghuaiense Jia J. Chen &amp; X. B. Zheng 2021, sp. n." docType="treatment" docVersion="2" id="FDB3ECDA44AF515695C505108B9C2639" lastPageNumber="65227" masterDocId="FDB3ECDA44AF515695C505108B9C2639" masterDocTitle="Pythium huanghuaiense sp. nov. isolated from soybean: morphology, molecular phylogeny and pathogenicity" masterLastPageNumber="65227" masterPageNumber="65227" pageNumber="65227" updateTime="1668128715519" updateUser="ExternalLinkService">
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<mods:titleInfo>
<mods:title>Pythium huanghuaiense sp. nov. isolated from soybean: morphology, molecular phylogeny and pathogenicity</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Chen, Jia-Jia</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-0856-2457</mods:nameIdentifier>
<mods:affiliation>College of Landscape Architecture, Jiangsu Vocational College of Agriculture and Forestry, Zhenjiang 212400, China</mods:affiliation>
<mods:nameIdentifier type="email">jiaj.chen19@yahoo.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Feng, Hui</mods:namePart>
<mods:affiliation>Department of Plant Pathology, Nanjing Agricultural University, Nanjing 210095, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yu, Jian</mods:namePart>
<mods:affiliation>College of Landscape Architecture, Jiangsu Vocational College of Agriculture and Forestry, Zhenjiang 212400, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ye, Wenwu</mods:namePart>
<mods:affiliation>Department of Plant Pathology, Nanjing Agricultural University, Nanjing 210095, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zheng, Xiaobo</mods:namePart>
<mods:affiliation>Department of Plant Pathology, Nanjing Agricultural University, Nanjing 210095, China</mods:affiliation>
</mods:name>
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<mods:titleInfo>
<mods:title>Biodiversity Data Journal</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2021</mods:date>
<mods:detail type="pubDate">
<mods:number>2021-04-22</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>9</mods:number>
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<mods:start>65227</mods:start>
<mods:end>65227</mods:end>
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<mods:url>http://dx.doi.org/10.3897/BDJ.9.e65227</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/BDJ.9.e65227</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2828-9-e65227</mods:identifier>
<mods:identifier type="Pensoft-UUID">FDB3ECDA44AF515695C505108B9C2639</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7" httpUri="http://treatment.plazi.org/id/3F822E05AFE4554FBCFD394C117AF0E7" lastPageNumber="65227" pageId="0" pageNumber="65227">
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<paragraph pageId="0" pageNumber="65227">
<taxonomicName LSID="3F822E05-AFE4-554F-BCFD-394C117AF0E7" authority="Jia J. Chen &amp; X. B. Zheng 2021" authorityName="Jia J. Chen &amp; X. B. Zheng" authorityYear="2021" class="Peronosporea" family="Polyporaceae" genus="Pythium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pythium huanghuaiense" order="Peronosporales" pageId="0" pageNumber="65227" phylum="Basidiomycota" rank="species" species="huanghuaiense" status="sp. n.">Pythium huanghuaiense Jia J. Chen &amp; X.B. Zheng 2021</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="65227">sp. n.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="65227" type="materials_examined">
<paragraph pageId="0" pageNumber="65227">Materials</paragraph>
<paragraph pageId="0" pageNumber="65227">
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="Jiajia Chen" country="China" county="Occurrence" determinerName="Jiajia Chen" location="Taxon" municipality="Jiajia Chen" pageId="0" pageNumber="65227" specimenCount="1" stateProvince="Jiangsu" typeStatus="Holotype">
<emphasis bold="true" pageId="0" pageNumber="65227">Type status:</emphasis>
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="Jiajia Chen" country="China" county="Occurrence" determinerName="Jiajia Chen" location="Taxon" municipality="Jiajia Chen" specimenCount="1" stateProvince="Jiangsu" typeStatus="Holotype">
<typeStatus pageId="0" pageNumber="65227">Holotype</typeStatus>
.
<emphasis bold="true" pageId="0" pageNumber="65227">
<collectingCounty>Occurrence</collectingCounty>
:
</emphasis>
recordedBy:
<collectorName pageId="0" pageNumber="65227">
<collectingMunicipality>Jiajia Chen</collectingMunicipality>
</collectorName>
;
<emphasis bold="true" pageId="0" pageNumber="65227">
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:2F68E26232E7E31B5BD59E9DA7D853C8" country="China" county="Occurrence" municipality="Jiajia Chen" name="Taxon" stateProvince="Jiangsu">Taxon</location>
:
</emphasis>
scientificName:
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:652A9AFC4541B15D3BE9A80A9FE4235A" country="China" county="Occurrence" municipality="Jiajia Chen" name="Pythium" stateProvince="Jiangsu">Pythium</location>
huanghuaiense; class:
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:68C39B2BFEA0B67FAD1BC90631FCD11B" country="China" county="Occurrence" municipality="Jiajia Chen" name="Oomycetes" stateProvince="Jiangsu">Oomycetes</location>
; order:
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:6C17E6E954B0B5223B526BAF7513FFE3" country="China" county="Occurrence" municipality="Jiajia Chen" name="Pythiales" stateProvince="Jiangsu">Pythiales</location>
; family:
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:10E8E08CA1283794EBCF425F048BDB84" country="China" county="Occurrence" municipality="Jiajia Chen" name="Pythiaceae" stateProvince="Jiangsu">Pythiaceae</location>
; genus:
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:300CEE21FAD7E7759A0A980160F86C12" country="China" county="Occurrence" municipality="Jiajia Chen" name="Pythium" stateProvince="Jiangsu">Pythium</location>
;
<emphasis bold="true" pageId="0" pageNumber="65227">
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:F50A86FF40A9905F6530C938468E39AB" country="China" county="Occurrence" municipality="Jiajia Chen" name="Location" stateProvince="Jiangsu">Location</location>
:
</emphasis>
country:
<collectingCountry name="China" pageId="0" pageNumber="65227">China</collectingCountry>
; stateProvince:
<collectingRegion country="China" name="Jiangsu">Jiangsu</collectingRegion>
; locality:
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:2AB5E68FE497D68ACDAACD6A4FAB40D8" country="China" county="Occurrence" municipality="Jiajia Chen" name="Nanjing, Jiangning District, Pengfu Village" pageId="0" pageNumber="65227" stateProvince="Jiangsu">
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:5CA73CC1077BAA4EDF23DC4D83906B50" country="China" county="Occurrence" municipality="Jiajia Chen" name="Nanjing" stateProvince="Jiangsu">Nanjing</location>
,
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:B226F6E20B0F26C4CF23D621FC410DB8" country="China" county="Occurrence" municipality="Jiajia Chen" name="Jiangning District" stateProvince="Jiangsu">Jiangning District</location>
,
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:CC40F485898591E493854A778551A933" country="China" county="Occurrence" municipality="Jiajia Chen" name="Pengfu Village" stateProvince="Jiangsu">Pengfu Village</location>
</location>
;
<emphasis bold="true" pageId="0" pageNumber="65227">
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:88213C4F1019670C7F24BE5710B5C005" country="China" county="Occurrence" municipality="Jiajia Chen" name="Identification" stateProvince="Jiangsu">Identification</location>
:
</emphasis>
identifiedBy:
<determinerName pageId="0" pageNumber="65227">
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:55EBEE3FB711BE9FF869C372546038C3" country="China" county="Occurrence" municipality="Jiajia Chen" name="Jiajia Chen" stateProvince="Jiangsu">Jiajia Chen</location>
</determinerName>
;
<emphasis bold="true" pageId="0" pageNumber="65227">
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:977F6FF39A223909A1123BB095611AB3" country="China" county="Occurrence" municipality="Jiajia Chen" name="Event" stateProvince="Jiangsu">Event</location>
:
</emphasis>
year: 2016; month: 4; day: 29; habitat: on seedlings of
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:179FA7D081AC4131672AF4679D3D5C1E" country="China" county="Occurrence" municipality="Jiajia Chen" name="Glycine" stateProvince="Jiangsu">Glycine</location>
max;
<emphasis bold="true" pageId="0" pageNumber="65227">
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:FCA76FE9309C6EE110C5C0CF12A9D522" country="China" county="Occurrence" municipality="Jiajia Chen" name="Record Level" stateProvince="Jiangsu">Record Level</location>
:
</emphasis>
type: chen 94 (BJFC-C 1993, metabolically inactive culture); language: en
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="Jiajia Chen, Xiaobo Zheng" country="China" determinerName="Jiajia Chen &amp; Xiaobo Zheng" location="Type" municipality="Jiangning District" pageId="0" pageNumber="65227" specimenCount="1" stateProvince="Jiangsu" typeStatus="Paratype">
<emphasis bold="true" pageId="0" pageNumber="65227">
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:4F6115AAA1CEF7D49D6F6BB679E4B381" country="China" county="Occurrence" municipality="Jiangning District" name="Type" stateProvince="Jiangsu">Type</location>
status:
</emphasis>
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="Jiajia Chen, Xiaobo Zheng" country="China" determinerName="Jiajia Chen &amp; Xiaobo Zheng" location="Nanjing, Jiangning District, Pengfu Village" municipality="Jiangning District" specimenCount="1" stateProvince="Jiangsu" typeStatus="Paratype">
<typeStatus pageId="0" pageNumber="65227">Paratype</typeStatus>
.
<emphasis bold="true" pageId="0" pageNumber="65227">Occurrence:</emphasis>
recordedBy:
<collectorName pageId="0" pageNumber="65227">Jiajia Chen</collectorName>
;
<emphasis bold="true" pageId="0" pageNumber="65227">Taxon:</emphasis>
scientificName: Pythium huanghuaiense; class: Oomycetes; order: Pythiales; family: Pythiaceae; genus: Pythium;
<emphasis bold="true" pageId="0" pageNumber="65227">Location:</emphasis>
country:
<collectingCountry name="China" pageId="0" pageNumber="65227">China</collectingCountry>
; stateProvince:
<collectingRegion country="China" name="Jiangsu">Jiangsu</collectingRegion>
; locality:
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:DEAD2956073E7830C52FACD59B6DA96B" country="China" municipality="Jiangning District" name="Nanjing, Jiangning District, Pengfu Village" pageId="0" pageNumber="65227" stateProvince="Jiangsu">
Nanjing,
<collectingMunicipality>Jiangning District</collectingMunicipality>
,
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:F941B498C90D4A7D927303B061751DCF" country="China" municipality="Jiangning District" name="Pengfu Village" stateProvince="Jiangsu">Pengfu Village</location>
</location>
;
<emphasis bold="true" pageId="0" pageNumber="65227">Identification:</emphasis>
identifiedBy:
<determinerName pageId="0" pageNumber="65227">
<collectorName>Jiajia Chen</collectorName>
&amp;
<collectorName>Xiaobo Zheng</collectorName>
</determinerName>
;
<emphasis bold="true" pageId="0" pageNumber="65227">Event:</emphasis>
year: 2016; month: 4; day: 1; habitat: on seedlings of Glycine max;
<emphasis bold="true" pageId="0" pageNumber="65227">Record Level:</emphasis>
type: Chen 95 (NJAU-JN18, JAFLA 95; metabolically inactive culture) &amp; Chen 96 (NJAU-JN19, JAFLA 96; metabolically inactive culture); language: en
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="Jiajia Chen, Xiaobo Zheng" country="China" determinerName="Jiajia Chen &amp; Xiaobo Zheng" location="Suzhou" pageId="0" pageNumber="65227" specimenCount="1" stateProvince="Anhui" typeStatus="Paratype">
<emphasis bold="true" pageId="0" pageNumber="65227">Type status:</emphasis>
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="Jiajia Chen, Xiaobo Zheng" country="China" determinerName="Jiajia Chen &amp; Xiaobo Zheng" location="Suzhou" specimenCount="1" stateProvince="Anhui" typeStatus="Paratype">
<typeStatus pageId="0" pageNumber="65227">Paratype</typeStatus>
.
<emphasis bold="true" pageId="0" pageNumber="65227">Occurrence:</emphasis>
recordedBy:
<collectorName pageId="0" pageNumber="65227">Jiajia Chen</collectorName>
;
<emphasis bold="true" pageId="0" pageNumber="65227">Taxon:</emphasis>
scientificName: Pythium huanghuaiense; class: Oomycetes; order: Pythiales; family: Pythiaceae; genus: Pythium;
<emphasis bold="true" pageId="0" pageNumber="65227">Location:</emphasis>
country:
<collectingCountry name="China" pageId="0" pageNumber="65227">China</collectingCountry>
; stateProvince:
<collectingRegion country="China" name="Anhui">Anhui</collectingRegion>
; locality:
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:AEB79C4969D5AC2377632D95E587DC3B" country="China" name="Suzhou" pageId="0" pageNumber="65227" stateProvince="Anhui">Suzhou</location>
;
<emphasis bold="true" pageId="0" pageNumber="65227">Identification:</emphasis>
identifiedBy:
<determinerName pageId="0" pageNumber="65227">
<collectorName>Jiajia Chen</collectorName>
&amp;
<collectorName>Xiaobo Zheng</collectorName>
</determinerName>
;
<emphasis bold="true" pageId="0" pageNumber="65227">Event:</emphasis>
year: 2016; month: 7; habitat: on seedlings of Glycine max;
<emphasis bold="true" pageId="0" pageNumber="65227">Record Level:</emphasis>
type: Chen 99 (NJAU-JN30, JAFLA 99; metabolically inactive culture); language: en
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="Jiajia Chen, Xiaobo Zheng" country="China" determinerName="Jiajia Chen &amp; Xiaobo Zheng" location="Jining" pageId="0" pageNumber="65227" specimenCount="1" stateProvince="Shandong" typeStatus="Paratype">
<emphasis bold="true" pageId="0" pageNumber="65227">Type status:</emphasis>
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="Jiajia Chen, Xiaobo Zheng" country="China" determinerName="Jiajia Chen &amp; Xiaobo Zheng" location="Jining" specimenCount="1" stateProvince="Shandong" typeStatus="Paratype">
<typeStatus pageId="0" pageNumber="65227">Paratype</typeStatus>
.
<emphasis bold="true" pageId="0" pageNumber="65227">Occurrence:</emphasis>
recordedBy:
<collectorName pageId="0" pageNumber="65227">Jiajia Chen</collectorName>
;
<emphasis bold="true" pageId="0" pageNumber="65227">Taxon:</emphasis>
scientificName: Pythium huanghuaiense; class: Oomycetes; order: Pythiales; family: Pythiaceae; genus: Pythium;
<emphasis bold="true" pageId="0" pageNumber="65227">Location:</emphasis>
country:
<collectingCountry name="China" pageId="0" pageNumber="65227">China</collectingCountry>
; stateProvince:
<collectingRegion country="China" name="Shandong">Shandong</collectingRegion>
; locality:
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:336BAB7B041B20D4DC82A76C86D9B205" country="China" name="Jining" pageId="0" pageNumber="65227" stateProvince="Shandong">Jining</location>
;
<emphasis bold="true" pageId="0" pageNumber="65227">Identification:</emphasis>
identifiedBy:
<determinerName pageId="0" pageNumber="65227">
<collectorName>Jiajia Chen</collectorName>
&amp;
<collectorName>Xiaobo Zheng</collectorName>
</determinerName>
;
<emphasis bold="true" pageId="0" pageNumber="65227">Event:</emphasis>
year: 2016; month: 8; habitat: on seedlings of Glycine max;
<emphasis bold="true" pageId="0" pageNumber="65227">Record Level:</emphasis>
type: Chen 100 (NJAU-JN65, JAFLA 100; metabolically inactive culture); language: en
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="Jiajia Chen, Xiaobo Zheng" country="China" determinerName="Jiajia Chen &amp; Xiaobo Zheng" location="Nanjing, Jiangning District, Pengfu Village" municipality="Jiangning District" pageId="0" pageNumber="65227" specimenCount="1" stateProvince="Jiangsu" typeStatus="Other material">
<emphasis bold="true" pageId="0" pageNumber="65227">Type status:</emphasis>
<materialsCitation collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="Jiajia Chen, Xiaobo Zheng" country="China" determinerName="Jiajia Chen &amp; Xiaobo Zheng" location="Nanjing, Jiangning District, Pengfu Village" municipality="Jiangning District" specimenCount="1" stateProvince="Jiangsu" typeStatus="Other material">
<typeStatus pageId="0" pageNumber="65227">Other material</typeStatus>
.
<emphasis bold="true" pageId="0" pageNumber="65227">Occurrence:</emphasis>
recordedBy:
<collectorName pageId="0" pageNumber="65227">Jiajia Chen</collectorName>
;
<emphasis bold="true" pageId="0" pageNumber="65227">Taxon:</emphasis>
scientificName: Pythium huanghuaiense; class: Oomycetes; order: Pythiales; family: Pythiaceae; genus: Pythium;
<emphasis bold="true" pageId="0" pageNumber="65227">Location:</emphasis>
country:
<collectingCountry name="China" pageId="0" pageNumber="65227">China</collectingCountry>
; stateProvince:
<collectingRegion country="China" name="Jiangsu">Jiangsu</collectingRegion>
; locality:
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:58AF32A7DE8B0FE222788888BEE53FFB" country="China" municipality="Jiangning District" name="Nanjing, Jiangning District, Pengfu Village" pageId="0" pageNumber="65227" stateProvince="Jiangsu">
Nanjing,
<collectingMunicipality>Jiangning District</collectingMunicipality>
,
<location LSID="urn:lsid:plazi:treatment:3F822E05AFE4554FBCFD394C117AF0E7:454E3C03FA57BE30E12F1790EA6D5545" country="China" municipality="Jiangning District" name="Pengfu Village" stateProvince="Jiangsu">Pengfu Village</location>
</location>
;
<emphasis bold="true" pageId="0" pageNumber="65227">Identification:</emphasis>
identifiedBy:
<determinerName pageId="0" pageNumber="65227">
<collectorName>Jiajia Chen</collectorName>
&amp;
<collectorName>Xiaobo Zheng</collectorName>
</determinerName>
;
<emphasis bold="true" pageId="0" pageNumber="65227">Event:</emphasis>
year: 2016; month: 4; day: 29; habitat: on seedlings of Glycine max;
<emphasis bold="true" pageId="0" pageNumber="65227">Record Level:</emphasis>
type: JAFLA 94, NJAU-JN11 (isotypes, metabolically inactive culture); language: en
</materialsCitation>
</materialsCitation>
</materialsCitation>
</materialsCitation>
</materialsCitation>
</materialsCitation>
</materialsCitation>
</materialsCitation>
</materialsCitation>
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="65227" type="description">
<paragraph pageId="0" pageNumber="65227">Description</paragraph>
<paragraph pageId="0" pageNumber="65227">
Pathogenic on soybean. Colonies submerged, with a cottony pattern on CMA, a rosette pattern on PCA and a cottony pattern on 10% V8A (Fig.
<figureCitation captionStart="Figure 1" captionStartId="F6757844" captionText="Figure 1. Colony patterns of Pythium huanghuaiense (Chen 94) on A. CMA; B. PCA; and C. V 8 A." figureDoi="10.3897/BDJ.9.e65227.figure1" httpUri="https://binary.pensoft.net/fig/511729" pageId="0" pageNumber="65227">1</figureCitation>
). Average growth rates of 32.8 mm/day at 25°C on PCA (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F6757848" captionText="Figure 2. Mycelial growth rate of isolates of Pythium huanghuaiense Chen 94, 95, 96, 99 and 100 on PCA at different temperatures." figureDoi="10.3897/BDJ.9.e65227.figure2" httpUri="https://binary.pensoft.net/fig/511730" pageId="0" pageNumber="65227">2</figureCitation>
). Cardinal temperatures: minimum 4°C, optimum 25°C, maximum 37°C. Main hyphae hyaline, aseptate, up to 5.0
<normalizedToken originalValue="µm">µm</normalizedToken>
wide. Hyphal swellings globose, sub-globose, obturbinate to pyriform, mostly terminal or sometimes intercalary, 15-22.5
<normalizedToken originalValue="×">x</normalizedToken>
13.5-20 (mean 19
<normalizedToken originalValue="×">x</normalizedToken>
17.5)
<normalizedToken originalValue="μm">μm</normalizedToken>
. Sporangia and zoospores not observed. Homothallic; oogonia globose, smooth or with a projection, terminal or intercalary, 12.5-18
<normalizedToken originalValue="μm">μm</normalizedToken>
(mean 15.5
<normalizedToken originalValue="µm">µm</normalizedToken>
) in diameter. Antheridia mostly monoclinous, sometimes hypogynous, one to two per oogonium; antheridial stalks unbranched, arising at various distances from oogonia; antheridial cells sub-globose, club-shaped or fist-shaped, making broad or narrow apical contact with oogonia. Oospores plerotic or nearly plerotic, globose, 11.5-17
<normalizedToken originalValue="μm">μm</normalizedToken>
(mean 14.5
<normalizedToken originalValue="µm">µm</normalizedToken>
) in diameter, hyaline. Oospore wall 0.5-1.5
<normalizedToken originalValue="µm">µm</normalizedToken>
(mean 1.1
<normalizedToken originalValue="µm">µm</normalizedToken>
) thick (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F6757852" captionText="Figure 3. Asexual and sexual reproductive bodies of Pythium huanghuaiense (Chen 94). A. Obturbinate hyphal swelling; B. globose hyphal swelling; C. sub-globose hyphal swelling; D. pyriform hyphal swelling; E, F. intercalary hyphal swellings; G, H. oogonia with a projections; I. nearly plerotic oospore; J. elongated antheridial cell wavy in contour; K. intercalary oogonium; L. Nearly plerotic oospore and two antheridia. Bars: A-E 10 μm; G-J 5 μm." figureDoi="10.3897/BDJ.9.e65227.figure3" httpUri="https://binary.pensoft.net/fig/511732" pageId="0" pageNumber="65227">3</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="65227" type="etymology">
<paragraph pageId="0" pageNumber="65227">Etymology</paragraph>
<paragraph pageId="0" pageNumber="65227">With reference to the distribution of the species in the Huang-Huai area of China.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="65227" type="notes">
<paragraph pageId="0" pageNumber="65227">Notes</paragraph>
<paragraph pageId="0" pageNumber="65227">
<taxonomicName authorityName="Jia J. Chen &amp; X. B. Zheng" authorityYear="2021" class="Peronosporea" family="Polyporaceae" genus="Pythium" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pythium huanghuaiense" order="Peronosporales" pageId="0" pageNumber="65227" phylum="Basidiomycota" rank="species" species="huanghuaiense">
<emphasis italics="true" pageId="0" pageNumber="65227">Pythium huanghuaiense</emphasis>
</taxonomicName>
can be distinguished morphologically from its closest relatives, including
<taxonomicName lsidName="P. mamillatum" pageId="0" pageNumber="65227" rank="species" species="mamillatum">
<emphasis italics="true" pageId="0" pageNumber="65227">P. mamillatum</emphasis>
</taxonomicName>
Meurs,
<taxonomicName lsidName="P. paroecandrum" pageId="0" pageNumber="65227" rank="species" species="paroecandrum">
<emphasis italics="true" pageId="0" pageNumber="65227">P. paroecandrum</emphasis>
</taxonomicName>
Drechsler,
<taxonomicName lsidName="P. spiculum" pageId="0" pageNumber="65227" rank="species" species="spiculum">
<emphasis italics="true" pageId="0" pageNumber="65227">P. spiculum</emphasis>
</taxonomicName>
B. Paul and
<taxonomicName lsidName="P. wuhanense" pageId="0" pageNumber="65227" rank="species" species="wuhanense">
<emphasis italics="true" pageId="0" pageNumber="65227">P. wuhanense</emphasis>
</taxonomicName>
Y.Y. Long, J.G. Wei &amp; L.D. Guo, by its narrower hyphae and relatively higher maximum growth rate. Additional differences between the novel species and other related species are listed in Table
<tableCitation captionStart="Table 2" captionStartId="T6757877" captionText="Table 2. Morphological description of Pythium huanghuaiense and the most closely related species." httpUri="http://table.plazi.org/id/7E5B0668FE82BA1F17A1A8A8BB861A10" pageId="0" pageNumber="65227" tableUuid="7E5B0668FE82BA1F17A1A8A8BB861A10">2</tableCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>