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Leaf physiological and morphological constraints of water-use efficiency in C-3 plants
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SYSNO ASEP 0574554 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Leaf physiological and morphological constraints of water-use efficiency in C-3 plants Author(s) Petrik, P. (DE)
Petek-Petrik, Anja (BU-J) ORCID, RID, SAI
Mukarram, M. (SK)
Schuldt, B. (DE)
Lamarque, L. J. (CA)Article number plad047 Source Title AoB PLANTS. - : Oxford University Press - ISSN 2041-2851
Roč. 15, č. 4 (2023)Number of pages 14 s. Language eng - English Country US - United States Keywords crown architecture ; leaf anatomy ; mesophyll conductance ; minimal conductance ; respiration ; rubisco ; stomata ; wue OECD category Plant sciences, botany Method of publishing Open access Institutional support BU-J - RVO:67985939 UT WOS 001044071100002 EID SCOPUS 85168611270 DOI 10.1093/aobpla/plad047 Annotation The increasing evaporative demand due to climate change will significantly affect the balance of carbon assimilation and water losses of plants worldwide. The development of crop varieties with improved water-use efficiency (WUE) will be critical for adapting agricultural strategies under predicted future climates. This review aims to summarize the most important leaf morpho-physiological constraints of WUE in C-3 plants and identify gaps in knowledge. From the carbon gain side of the WUE, the discussed parameters are mesophyll conductance, carboxylation efficiency and respiratory losses. The traits and parameters affecting the waterside of WUE balance discussed in this review are stomatal size and density, stomatal control and residual water losses (cuticular and bark conductance), nocturnal conductance and leaf hydraulic conductance. In addition, we discussed the impact of leaf anatomy and crown architecture on both the carbon gain and water loss components of WUE. There are multiple possible targets for future development in understanding sources of WUE variability in plants. We identified residual water losses and respiratory carbon losses as the greatest knowledge gaps of whole-plant WUE assessments. Moreover, the impact of trichomes, leaf hydraulic conductance and canopy structure on plants' WUE is still not well understood. The development of a multi-trait approach is urgently needed for a better understanding of WUE dynamics and optimization. Workplace Institute of Botany Contact Martina Bartošová, martina.bartosova@ibot.cas.cz, ibot@ibot.cas.cz, Tel.: 271 015 242 ; Marie Jakšová, marie.jaksova@ibot.cas.cz, Tel.: 384 721 156-8 Year of Publishing 2024 Electronic address https://doi.org/10.1093/aobpla/plad047
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