Unaltered phenology but increased production of ectomycorrhizal roots of Pinus elliottii under 4 years of nitrogen addition.
Identifieur interne : 000712 ( Main/Corpus ); précédent : 000711; suivant : 000713Unaltered phenology but increased production of ectomycorrhizal roots of Pinus elliottii under 4 years of nitrogen addition.
Auteurs : Liang Kou ; Shenggong Li ; Huimin Wang ; Xiaoli Fu ; Xiaoqin DaiSource :
- The New phytologist [ 1469-8137 ] ; 2019.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Soil.
- chemical , pharmacology : Nitrogen.
- drug effects : Mycorrhizae, Plant Leaves.
- microbiology : Pinus.
- physiology : Mycorrhizae, Plant Leaves.
- Seasons.
Abstract
Timing (phenology) and amount (production) are two integral facets of root growth, and their shifts have profound influences on below-ground resource acquisition. However, the environmental control and the effects of nitrogen (N) deposition on the production and phenology of ectomycorrhizal (ECM) roots remain unclear. Using a 4 yr minirhizotron experiment, we explored the control of the production and three phenophases (initiation, peak, and cessation of growth) of ECM roots in two soil layers and investigated their dynamic responses to N addition in a seasonally dry subtropical Pinus elliottii forest. We found a stronger control of water availability on the production and a stronger control of temperature on the phenology of ECM roots under ambient conditions. Temperature was correlated positively with initiation and negatively with cessation, especially in the shallow layer. N addition did not affect the phenology of ECM roots but increased their production by modifying N and phosphorus (P) stoichiometry in the soil and foliage. Our findings suggest a greater sensitivity of production than phenology of ECM roots to N addition. The increased production of ECM roots under N addition could be driven by N-induced P limitation or some combination of below-ground resources (P, N, water).
DOI: 10.1111/nph.15542
PubMed: 30320883
Links to Exploration step
pubmed:30320883Le document en format XML
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China.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</nlm:affiliation></affiliation></author><author><name sortKey="Wang, Huimin" sort="Wang, Huimin" uniqKey="Wang H" first="Huimin" last="Wang">Huimin Wang</name><affiliation><nlm:affiliation>Qianyanzhou Ecological Research Station, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Jiangxi Provincial Key Laboratory of Ecosystem Processes and Information, Taihe, 343725, China.</nlm:affiliation></affiliation></author><author><name sortKey="Fu, Xiaoli" sort="Fu, Xiaoli" uniqKey="Fu X" first="Xiaoli" last="Fu">Xiaoli Fu</name><affiliation><nlm:affiliation>Qianyanzhou Ecological Research Station, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</nlm:affiliation></affiliation></author><author><name sortKey="Dai, Xiaoqin" sort="Dai, Xiaoqin" uniqKey="Dai X" first="Xiaoqin" last="Dai">Xiaoqin Dai</name><affiliation><nlm:affiliation>Qianyanzhou Ecological Research Station, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date 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last="Li">Shenggong Li</name><affiliation><nlm:affiliation>Qianyanzhou Ecological Research Station, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</nlm:affiliation></affiliation></author><author><name sortKey="Wang, Huimin" sort="Wang, Huimin" uniqKey="Wang H" first="Huimin" last="Wang">Huimin Wang</name><affiliation><nlm:affiliation>Qianyanzhou Ecological Research Station, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Jiangxi Provincial Key Laboratory of Ecosystem Processes and Information, Taihe, 343725, China.</nlm:affiliation></affiliation></author><author><name sortKey="Fu, Xiaoli" sort="Fu, Xiaoli" uniqKey="Fu X" first="Xiaoli" last="Fu">Xiaoli Fu</name><affiliation><nlm:affiliation>Qianyanzhou Ecological Research Station, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</nlm:affiliation></affiliation></author><author><name sortKey="Dai, Xiaoqin" sort="Dai, Xiaoqin" uniqKey="Dai X" first="Xiaoqin" last="Dai">Xiaoqin Dai</name><affiliation><nlm:affiliation>Qianyanzhou Ecological Research Station, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China.</nlm:affiliation></affiliation></author></analytic><series><title level="j">The New phytologist</title><idno type="eISSN">1469-8137</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Mycorrhizae (drug effects)</term><term>Mycorrhizae (physiology)</term><term>Nitrogen (pharmacology)</term><term>Pinus (microbiology)</term><term>Plant Leaves (drug effects)</term><term>Plant Leaves (physiology)</term><term>Seasons (MeSH)</term><term>Soil (chemistry)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Nitrogen</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Mycorrhizae</term><term>Plant Leaves</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Pinus</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mycorrhizae</term><term>Plant Leaves</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Seasons</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Timing (phenology) and amount (production) are two integral facets of root growth, and their shifts have profound influences on below-ground resource acquisition. However, the environmental control and the effects of nitrogen (N) deposition on the production and phenology of ectomycorrhizal (ECM) roots remain unclear. Using a 4 yr minirhizotron experiment, we explored the control of the production and three phenophases (initiation, peak, and cessation of growth) of ECM roots in two soil layers and investigated their dynamic responses to N addition in a seasonally dry subtropical Pinus elliottii forest. We found a stronger control of water availability on the production and a stronger control of temperature on the phenology of ECM roots under ambient conditions. Temperature was correlated positively with initiation and negatively with cessation, especially in the shallow layer. N addition did not affect the phenology of ECM roots but increased their production by modifying N and phosphorus (P) stoichiometry in the soil and foliage. Our findings suggest a greater sensitivity of production than phenology of ECM roots to N addition. The increased production of ECM roots under N addition could be driven by N-induced P limitation or some combination of below-ground resources (P, N, water).</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">30320883</PMID><DateCompleted><Year>2020</Year><Month>01</Month><Day>14</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1469-8137</ISSN><JournalIssue CitedMedium="Internet"><Volume>221</Volume><Issue>4</Issue><PubDate><Year>2019</Year><Month>03</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Unaltered phenology but increased production of ectomycorrhizal roots of Pinus elliottii under 4 years of nitrogen addition.</ArticleTitle><Pagination><MedlinePgn>2228-2238</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/nph.15542</ELocationID><Abstract><AbstractText>Timing (phenology) and amount (production) are two integral facets of root growth, and their shifts have profound influences on below-ground resource acquisition. However, the environmental control and the effects of nitrogen (N) deposition on the production and phenology of ectomycorrhizal (ECM) roots remain unclear. Using a 4 yr minirhizotron experiment, we explored the control of the production and three phenophases (initiation, peak, and cessation of growth) of ECM roots in two soil layers and investigated their dynamic responses to N addition in a seasonally dry subtropical Pinus elliottii forest. We found a stronger control of water availability on the production and a stronger control of temperature on the phenology of ECM roots under ambient conditions. Temperature was correlated positively with initiation and negatively with cessation, especially in the shallow layer. N addition did not affect the phenology of ECM roots but increased their production by modifying N and phosphorus (P) stoichiometry in the soil and foliage. Our findings suggest a greater sensitivity of production than phenology of ECM roots to N addition. The increased production of ECM roots under N addition could be driven by N-induced P limitation or some combination of below-ground resources (P, N, water).</AbstractText><CopyrightInformation>© 2018 The Authors. New Phytologist © 2018 New Phytologist Trust.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Kou</LastName><ForeName>Liang</ForeName><Initials>L</Initials><Identifier Source="ORCID">0000-0002-2187-0721</Identifier><AffiliationInfo><Affiliation>Qianyanzhou Ecological Research Station, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Shenggong</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Qianyanzhou Ecological Research Station, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Huimin</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Qianyanzhou Ecological Research Station, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Jiangxi Provincial Key Laboratory of Ecosystem Processes and Information, Taihe, 343725, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Fu</LastName><ForeName>Xiaoli</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>Qianyanzhou Ecological Research Station, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dai</LastName><ForeName>Xiaoqin</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>Qianyanzhou Ecological Research Station, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>2016YFD0600202</GrantID><Agency>National Key Research and Development Program of China</Agency><Country>International</Country></Grant><Grant><GrantID>41830646</GrantID><Agency>National Natural Science Foundation of China</Agency><Country>International</Country></Grant><Grant><GrantID>31700379</GrantID><Agency>National Natural Science Foundation of China</Agency><Country>International</Country></Grant><Grant><GrantID>31570443</GrantID><Agency>National Natural Science Foundation of China</Agency><Country>International</Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>11</Month><Day>15</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New 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