IB-CAS  > 中科院北方资源植物重点实验室
The sequence and thresholds of leaf hydraulic traits underlying grapevine varietal differences in drought tolerance
Dayer, Silvina; Herrera, Jose Carlos1; Dai, Zhanwu2,3; Burlett, Regis; Lamarque, Laurent J.; Delzon, Sylvain4; Bortolami, Giovanni5; Cochard, Herve6; Gambetta, Gregory A.
2020
发表期刊JOURNAL OF EXPERIMENTAL BOTANY
ISSN0022-0957
卷号71期号:14页码:4333-4344
摘要Adapting agriculture to climate change is driving the need for the selection and breeding of drought-tolerant crops. The aim of this study was to identify key drought tolerance traits and determine the sequence of their water potential thresholds across three grapevine cultivars with contrasting water use behaviors, Grenache, Syrah, and Semillon. We quantified differences in water use between cultivars and combined this with the determination of other leaf-level traits (e.g. leaf turgor loss point, pi(TLP)), leaf vulnerability to embolism (P-50), and the hydraulic safety margin (HSM P-50). Semillon exhibited the highest maximum transpiration (E-max), and lowest sensitivity of canopy stomatal conductance (G(c)) to vapor pressure deficit (VPD), followed by Syrah and Grenache. Increasing E-max was correlated with more negative water potential at which stomata close (Pgs(90)), pi(TLP), and P-50, suggesting that increasing water use is associated with hydraulic traits allowing gas exchange under more negative water potentials. Nevertheless, all the cultivars closed their stomata prior to leaf embolism formation. Modeling simulations demonstrated that despite a narrower HSM, Grenache takes longer to reach thresholds of hydraulic failure due to its conservative water use. This study demonstrates that the relationships between leaf hydraulic traits are complex and interactive, stressing the importance of integrating multiple traits in characterizing drought tolerance.
关键词Drought embolism grapevine stomata transpiration turgor loss point
学科领域Plant Sciences
DOI10.1093/jxb/eraa186
收录类别SCI
语种英语
WOS关键词TURGOR LOSS POINT ; STOMATAL CONDUCTANCE ; ANISOHYDRIC BEHAVIOR ; WATER-STRESS ; NIGHTTIME TRANSPIRATION ; EVAPORATIVE DEMAND ; TREE MORTALITY ; VULNERABILITY ; XYLEM ; EMBOLISM
WOS研究方向Plant Sciences
WOS记录号WOS:000553125400033
出版者OXFORD UNIV PRESS
文献子类Article
出版地OXFORD
EISSN1460-2431
资助机构EU, ERA-NET, ARIMNET2 project, Opportunities for an Environmental-friendly Viticulture: EnViRoS ; 'Investments for the Future' program of the French National Agency for ResearchFrench National Research Agency (ANR) [ANR-10EQPX-16] ; Cluster of Excellence COTE of the French National Agency for Research [ANR-10-LABX-45]
作者邮箱silvinadayer@gmail.com
作品OA属性Green Published, hybrid
引用统计
被引频次:64[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/21655
专题中科院北方资源植物重点实验室
作者单位1.[Dayer, Silvina; Gambetta, Gregory A.] Univ Bordeaux, ISVV, INRA, Bordeaux Sci Agro,EGFV, 210 Chemin Leysotte, F-33882 Villenave Dornon, France
2.Univ Nat Resources & Life Sci BOKU, Inst Viticulture & Pomol, A-3430 Tulln, Austria
3.Chinese Acad Sci, Inst Bot, Beijing Key Lab Grape Sci & Enol, Beijing 100093, Peoples R China
4.Chinese Acad Sci, Inst Bot, Key Lab Plant Resources, Beijing 100093, Peoples R China
5.Univ Bordeaux, Inst Natl Rech Agron INRA, Biodiversite Genes & Communautes, F-33610 Cestas, France
6.INRA, BSA, ISVV, SAVE, F-33882 Villenave Dornon, France
7.Univ Clermont Auvergne, PIAF, INRA, F-63000 Clermont Ferrand, France
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GB/T 7714
Dayer, Silvina,Herrera, Jose Carlos,Dai, Zhanwu,et al. The sequence and thresholds of leaf hydraulic traits underlying grapevine varietal differences in drought tolerance[J]. JOURNAL OF EXPERIMENTAL BOTANY,2020,71(14):4333-4344.
APA Dayer, Silvina.,Herrera, Jose Carlos.,Dai, Zhanwu.,Burlett, Regis.,Lamarque, Laurent J..,...&Gambetta, Gregory A..(2020).The sequence and thresholds of leaf hydraulic traits underlying grapevine varietal differences in drought tolerance.JOURNAL OF EXPERIMENTAL BOTANY,71(14),4333-4344.
MLA Dayer, Silvina,et al."The sequence and thresholds of leaf hydraulic traits underlying grapevine varietal differences in drought tolerance".JOURNAL OF EXPERIMENTAL BOTANY 71.14(2020):4333-4344.
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