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Grant support

Southwest University of Science and Technology, Grant/Award Number: 18ZX7131; Velux Foundation, Switzerland, Grant/Award Number: 1119; PHOTOCHAIN

Análisis de autorías institucional
Gil Pelegrin E - Autor o Coautor
Peguero-Pina Jj - Autor o Coautor
Sancho-Knapik D - Autor o Coautor
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Publicaciones > Artículo

Day-length regulates seasonal patterns of stomatal conductance in Quercus species.

Publicado en:Plant Cell And Environment. 43 (1): 28-39 - 2020-01-01 43(1), doi: 10.1111/pce.13665

Gil Pelegrin E; Peguero-Pina Jj; Sancho-Knapik D;

Afiliaciones

Centro de Investigación y Tecnología Agroalimentaria de Aragón - Entidad de origen
Ctr Invest & Tecnol Agroalimentaria Aragon, Unidad Recursos Forestales, Avda Montanana 930, Zaragoza 50059, Spain - Autor o Coautor
Department of Crop and Forest Sciences - AGROTECNIO Center, Universitat de Lleida, 25198, Lleida, Spain. - Autor o Coautor
Department of Life Sciences, University of Alcalá, E-28805, Alcalá de Henares, Spain. - Autor o Coautor
School of Life Science and Engineering, Southwest University of Science and Technology, 621010, Mianyang, China. - Autor o Coautor
Southwest Univ Sci & Technol, Sch Life Sci & Engn, Mianyang 621010, Sichuan, Peoples R China - Autor o Coautor
Swiss Fed Inst Forest Snow & Landscape Res WSL, Forest Dynam, Zurcherstr 111, CH-8903 Birmensdorf, Switzerland - Autor o Coautor
Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Zürcherstrasse 111, CH-8903, Birmensdorf, Switzerland. - Autor o Coautor
Unidad de Recursos Forestales, Centro de Investigación y Tecnología Agroalimentaria de Aragón, Gobierno de Aragón. Avda. Montañana 930, 50059, Zaragoza, Spain. - Autor o Coautor
Univ Alcala De Henares, Dept Life Sci, E-28805 Alcala De Henares, Spain - Autor o Coautor
Univ Lleida, AGROTECNIO Ctr, Dept Crop & Forest Sci, Ave Rovira Roure 191, Lleida 25198, Spain - Autor o Coautor
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Resúmen

Resúmen: Vapor pressure deficit is a major driver of seasonal changes in transpiration, but photoperiod also modulates leaf responses. Climate warming might enhance transpiration by increasing atmospheric water demand and the length of the growing season, but photoperiod-sensitive species could show dampened responses. Here, we document that day-length is a significant driver of the seasonal variation in stomatal conductance. We performed weekly gas exchange measurements across a common garden experiment with 12 oak species from contrasting geographical origins and we observed that the influence of day-length was of similar strength to that of vapor pressure deficit in driving the seasonal pattern. We then examined the generality of our findings by incorporating day-length regulation into well-known stomatal models. For both angiosperm and gymnosperm species the models improved significantly when adding day-length dependences. Photoperiod control over stomatal conductance could play a large yet underexplored role on the plant and ecosystem water balance.This article is protected by copyright. All rights reserved.

Palabras clave: Circadian rhythm; Climate-change; Day length; Day-length; Gas exchange; Growth; Latitude; Mediterranean; Photoperiod; Photosynthetic capacity; Quercus; Responses; Sensitivity; Shifts; Stomatal control; Temperate; Trees; Tropical; Woody plants

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