Air-coupled broadband ultrasonic spectroscopy as a new non-invasive and non-contact method for the determination of leaf water status.
Identifieur interne : 003383 ( Main/Exploration ); précédent : 003382; suivant : 003384Air-coupled broadband ultrasonic spectroscopy as a new non-invasive and non-contact method for the determination of leaf water status.
Auteurs : Domingo Sancho-Knapik [Espagne] ; Tomás G Mez Alvarez-Arenas ; José Javier Peguero-Pina ; Eustaquio Gil-PelegrínSource :
- Journal of experimental botany [ 1460-2431 ] ; 2010.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Eau, Feuilles de plante, Populus, Prunus.
- méthodes : Échographie.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Water.
- metabolism : Plant Leaves, Populus, Prunus.
- methods : Ultrasonography.
Abstract
The implementation of non-destructive methods for the study of water changes within plant tissues and/or organs has been a target for some time in plant physiology. Recent advances in air-coupled ultrasonic spectroscopy have enabled ultrasonic waves to be applied to the on-line and real-time assessment of the water content of different materials. In this study, this technique has been applied as a non-destructive, non-invasive, non-contact, and repeatable method for the determination of water status in Populusxeuramericana and Prunus laurocerasus leaves. Frequency spectra of the transmittance of ultrasounds through plant leaves reveal the presence of at least one resonance. At this resonant frequency, transmittance is at its maximum. This work demonstrates that changes in leaf relative water content (RWC) and water potential (Psi) for both species can be accurately monitored by the corresponding changes in resonant frequency. The differential response found between both species may be due to the contrasting leaf structural features and the differences found in the parameters derived from the P-V curves. The turgor loss point has been precisely defined by this new technique, as it is derived from the lack of significant differences between the relative water content at the turgor loss point (RWC(TLP)) obtained from P-V curves and ultrasonic measurements. The measurement of the turgor gradient between two different points of a naturally transpiring leaf is easily carried out with the method introduced here. Therefore, such a procedure can be an accurate tool for the study of all processes where changes in leaf water status are involved.
DOI: 10.1093/jxb/erq001
PubMed: 20176889
Affiliations:
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scheme="KwdFr" xml:lang="fr"><term>Eau (métabolisme)</term><term>Feuilles de plante (métabolisme)</term><term>Populus (métabolisme)</term><term>Prunus (métabolisme)</term><term>Échographie (méthodes)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Water</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Leaves</term><term>Populus</term><term>Prunus</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Ultrasonography</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Eau</term><term>Feuilles de plante</term><term>Populus</term><term>Prunus</term></keywords><keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Échographie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The implementation of non-destructive methods for the study of water changes within plant tissues and/or organs has been a target for some time in plant physiology. Recent advances in air-coupled ultrasonic spectroscopy have enabled ultrasonic waves to be applied to the on-line and real-time assessment of the water content of different materials. In this study, this technique has been applied as a non-destructive, non-invasive, non-contact, and repeatable method for the determination of water status in Populusxeuramericana and Prunus laurocerasus leaves. Frequency spectra of the transmittance of ultrasounds through plant leaves reveal the presence of at least one resonance. At this resonant frequency, transmittance is at its maximum. This work demonstrates that changes in leaf relative water content (RWC) and water potential (Psi) for both species can be accurately monitored by the corresponding changes in resonant frequency. The differential response found between both species may be due to the contrasting leaf structural features and the differences found in the parameters derived from the P-V curves. The turgor loss point has been precisely defined by this new technique, as it is derived from the lack of significant differences between the relative water content at the turgor loss point (RWC(TLP)) obtained from P-V curves and ultrasonic measurements. The measurement of the turgor gradient between two different points of a naturally transpiring leaf is easily carried out with the method introduced here. Therefore, such a procedure can be an accurate tool for the study of all processes where changes in leaf water status are involved.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20176889</PMID><DateCompleted><Year>2010</Year><Month>06</Month><Day>07</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1460-2431</ISSN><JournalIssue CitedMedium="Internet"><Volume>61</Volume><Issue>5</Issue><PubDate><Year>2010</Year><Month>Mar</Month></PubDate></JournalIssue><Title>Journal of experimental botany</Title><ISOAbbreviation>J Exp Bot</ISOAbbreviation></Journal><ArticleTitle>Air-coupled broadband ultrasonic spectroscopy as a new non-invasive and non-contact method for the determination of leaf water status.</ArticleTitle><Pagination><MedlinePgn>1385-91</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/jxb/erq001</ELocationID><Abstract><AbstractText>The implementation of non-destructive methods for the study of water changes within plant tissues and/or organs has been a target for some time in plant physiology. Recent advances in air-coupled ultrasonic spectroscopy have enabled ultrasonic waves to be applied to the on-line and real-time assessment of the water content of different materials. In this study, this technique has been applied as a non-destructive, non-invasive, non-contact, and repeatable method for the determination of water status in Populusxeuramericana and Prunus laurocerasus leaves. Frequency spectra of the transmittance of ultrasounds through plant leaves reveal the presence of at least one resonance. At this resonant frequency, transmittance is at its maximum. This work demonstrates that changes in leaf relative water content (RWC) and water potential (Psi) for both species can be accurately monitored by the corresponding changes in resonant frequency. The differential response found between both species may be due to the contrasting leaf structural features and the differences found in the parameters derived from the P-V curves. The turgor loss point has been precisely defined by this new technique, as it is derived from the lack of significant differences between the relative water content at the turgor loss point (RWC(TLP)) obtained from P-V curves and ultrasonic measurements. The measurement of the turgor gradient between two different points of a naturally transpiring leaf is easily carried out with the method introduced here. Therefore, such a procedure can be an accurate tool for the study of all processes where changes in leaf water status are involved.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Sancho-Knapik</LastName><ForeName>Domingo</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Unidad de Recursos Forestales, Centro de Investigación y Tecnología Agroalimentaria, Gobierno de Aragón, Apdo. 727, E-50080 Zaragoza, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gómez Alvarez-Arenas</LastName><ForeName>Tomás</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>Peguero-Pina</LastName><ForeName>José Javier</ForeName><Initials>JJ</Initials></Author><Author ValidYN="Y"><LastName>Gil-Pelegrín</LastName><ForeName>Eustaquio</ForeName><Initials>E</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2010</Year><Month>02</Month><Day>22</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>J Exp Bot</MedlineTA><NlmUniqueID>9882906</NlmUniqueID><ISSNLinking>0022-0957</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D027861" MajorTopicYN="N">Prunus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014463" MajorTopicYN="N">Ultrasonography</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014867" MajorTopicYN="N">Water</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2010</Year><Month>2</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2010</Year><Month>2</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2010</Year><Month>6</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">20176889</ArticleId><ArticleId IdType="pii">erq001</ArticleId><ArticleId IdType="doi">10.1093/jxb/erq001</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Espagne</li></country><region><li>Aragon</li></region></list><tree><noCountry><name sortKey="G Mez Alvarez Arenas, Tomas" sort="G Mez Alvarez Arenas, Tomas" uniqKey="G Mez Alvarez Arenas T" first="Tomás" last="G Mez Alvarez-Arenas">Tomás G Mez Alvarez-Arenas</name><name sortKey="Gil Pelegrin, Eustaquio" sort="Gil Pelegrin, Eustaquio" uniqKey="Gil Pelegrin E" first="Eustaquio" last="Gil-Pelegrín">Eustaquio Gil-Pelegrín</name><name sortKey="Peguero Pina, Jose Javier" sort="Peguero Pina, Jose Javier" uniqKey="Peguero Pina J" first="José Javier" last="Peguero-Pina">José Javier Peguero-Pina</name></noCountry><country name="Espagne"><region name="Aragon"><name sortKey="Sancho Knapik, Domingo" sort="Sancho Knapik, Domingo" uniqKey="Sancho Knapik D" first="Domingo" last="Sancho-Knapik">Domingo Sancho-Knapik</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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