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  Integrative field scale phenotyping for investigating metabolic components of water stress within a vineyard

Gago, J., Fernie, A. R., Nikoloski, Z., Tohge, T., Martorell, S., Mariano Escalona, J., et al. (2017). Integrative field scale phenotyping for investigating metabolic components of water stress within a vineyard. PLANT METHODS, 13: 90. doi:10.1186/s13007-017-0241-z.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0007-920B-8 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0007-920C-7
Genre: Zeitschriftenartikel

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 Urheber:
Gago, Jorge1, Autor
Fernie, Alisdair R.1, Autor
Nikoloski, Zoran1, Autor
Tohge, Takayuki1, Autor
Martorell, Sebastia1, Autor
Mariano Escalona, Jose1, Autor
Ribas-Carbo, Miquel1, Autor
Flexas, Jaume1, Autor
Medrano, Hipolito1, Autor
Affiliations:
1external, ou_persistent22              

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Schlagwörter: STOMATAL APERTURE; PHOTOSYNTHETIC CAPACITY; LEAF PHOTOSYNTHESIS; PHOTO COLLECTIONS; DROUGHT; RESPONSES; ARABIDOPSIS; VARIABILITY; IRRIGATION; PLANTSBiochemistry & Molecular Biology; Plant Sciences; Drought; Metabolomics; Phenotyping; Remote sensing; Regression modeling; UAVs; Vitis vinifera;
 Zusammenfassung: Background: There is currently a high requirement for field phenotyping methodologies/technologies to determine quantitative traits related to crop yield and plant stress responses under field conditions.
Methods: We employed an unmanned aerial vehicle equipped with a thermal camera as a high-throughput phenotyping platform to obtain canopy level data of the vines under three irrigation treatments. High-resolution imagery (< 2.5 cm/pixel) was employed to estimate the canopy conductance (g(c)) via the leaf energy balance model. In parallel, physiological stress measurements at leaf and stem level as well as leaf sampling for primary and secondary metabolome analysis were performed.
Results: Aerial gc correlated significantly with leaf stomatal conductance (g(s)) and stem sap flow, benchmarking the quality of our remote sensing technique. Metabolome profiles were subsequently linked with g(c) and g(s) via partial least square modelling. By this approach malate and flavonols, which have previously been implicated to play a role in stomatal function under controlled greenhouse conditions within model species, were demonstrated to also be relevant in field conditions.
Conclusions: We propose an integrative methodology combining metabolomics, organ-level physiology and UAV-based remote sensing of the whole canopy responses to water stress within a vineyard. Finally, we discuss the general utility of this integrative methodology for broad field phenotyping.

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Sprache(n): eng - English
 Datum: 2017
 Publikationsstatus: Online veröffentlicht
 Seiten: 14
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: ISI: 000414025300001
DOI: 10.1186/s13007-017-0241-z
 Art des Abschluß: -

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Titel: PLANT METHODS
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND : BIOMED CENTRAL LTD
Seiten: - Band / Heft: 13 Artikelnummer: 90 Start- / Endseite: - Identifikator: ISSN: 1746-4811