Search Results - "Cochard, Hervé"

Hydraulic Failure Defines the Recovery and Point of Death in Water-Stressed Conifers by Brodribb, Tim J, Cochard, Hervé

“…This study combines existing hydraulic principles with recently developed methods for probing leaf hydraulic function to determine whether xylem physiology can…”
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The sequence and thresholds of leaf hydraulic traits underlying grapevine varietal differences in drought tolerance by Dayer, Silvina, Herrera, José Carlos, Dai, Zhanwu, Burlett, Régis, Lamarque, Laurent J, Delzon, Sylvain, Bortolami, Giovanni, Cochard, Hervé, Gambetta, Gregory A

“…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…”
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overview of models of stomatal conductance at the leaf level by DAMOUR, GAËLLE, SIMONNEAU, THIERRY, COCHARD, HERVÉ, URBAN, LAURENT

“…Stomata play a key role in plant adaptation to changing environmental conditions as they control both water losses and CO₂ uptake. Particularly, in the context…”
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Limited genetic variability and phenotypic plasticity detected for cavitation resistance in a Mediterranean pine by Lamy, Jean‐Baptiste, Delzon, Sylvain, Bouche, Pauline S., Alia, Ricardo, Vendramin, Giovanni Giuseppe, Cochard, Hervé, Plomion, Christophe

“…Resistance to cavitation is a major determinant of plant survival under severe drought and can be used to quantify species adaptive potential. Interspecific…”
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Direct X-Ray Microtomography Observation Confirms the Induction of Embolism upon Xylem Cutting under Tension by Torres-Ruiz, José M., Jansen, Steven, Choat, Brendan, McElrone, Andrew J., Cochard, Hervé, Brodribb, Timothy J., Badel, Eric, Burlett, Regis, Bouche, Pauline S., Brodersen, Craig R., Li, Shan, Morris, Hugh, Delzon, Sylvain

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Lack of vulnerability segmentation in four angiosperm tree species: evidence from direct X-ray microtomography observation by Li, Ximeng, Delzon, Sylvain, Torres-Ruiz, Jose, Badel, Eric, Burlett, Regis, Cochard, Hervé, Jansen, Steven, King, Andrew, Lamarque, Laurent J., Lenoir, Nicolas, St-Paul, Nicolas Martin, Choat, Brendan

“…Key message Xylem vulnerability to drought-induced embolism did not differ between stems and petioles of four woody species ( Betula pendula , Liriodendron…”
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Leaf vein xylem conduit diameter influences susceptibility to embolism and hydraulic decline by Scoffoni, Christine, Albuquerque, Caetano, Brodersen, Craig R., Townes, Shatara V., John, Grace P., Cochard, Hervé, Buckley, Thomas N., McElrone, Andrew J., Sack, Lawren

“…Ecosystems worldwide are facing increasingly severe and prolonged droughts during which hydraulic failure from drought-induced embolism can lead to organ or…”
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Are needles of Pinus pinaster more vulnerable to xylem embolism than branches? New insights from X‐ray computed tomography by Bouche, Pauline S., Delzon, Sylvain, Choat, Brendan, Badel, Eric, Brodribb, Timothy J., Burlett, Regis, Cochard, Hervé, Charra‐Vaskou, Katline, Lavigne, Bruno, Li, Shan, Mayr, Stefan, Morris, Hugh, Torres‐Ruiz, José M., Zufferey, Vivian, Jansen, Steven

“…Plants can be highly segmented organisms with an independently redundant design of organs. In the context of plant hydraulics, leaves may be less embolism…”
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Where do leaf water leaks come from? Trade‐offs underlying the variability in minimum conductance across tropical savanna species with contrasting growth strategies by Machado, Renan, Loram‐Lourenço, Lucas, Farnese, Fernanda Santos, Alves, Rauander Douglas Ferreira Barros, Sousa, Letícia Ferreira, Silva, Fabiano Guimarães, Filho, Sebastião Carvalho Vasconcelos, Torres‐Ruiz, José M., Cochard, Hervé, Menezes‐Silva, Paulo Eduardo

“…Summary Plants continue to lose water from their leaves even after complete stomatal closure. Although this minimum conductance (gleaf‐res) has substantial…”
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Could rapid diameter changes be facilitated by a variable hydraulic conductance? by STEPPE, KATHY, COCHARD, HERVÉ, LACOINTE, ANDRÉ, AMÉGLIO, THIERRY

“…ABSTRACT Adequate radial water transport between elastic bark tissue and xylem is crucial in trees, because it smoothens abrupt changes in xylem water…”
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Vulnerability to drought‐induced cavitation in poplars: synthesis and future opportunities by FICHOT, RÉGIS, BRIGNOLAS, FRANCK, COCHARD, HERVÉ, CEULEMANS, REINHART

“…Vulnerability to drought‐induced cavitation is a key trait of plant water relations. Here, we summarize the available literature on vulnerability to…”
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Weak tradeoff between xylem safety and xylem‐specific hydraulic efficiency across the world's woody plant species by Gleason, Sean M, Westoby, Mark, Jansen, Steven, Choat, Brendan, Hacke, Uwe G, Pratt, Robert B, Bhaskar, Radika, Brodribb, Tim J, Bucci, Sandra J, Cao, Kun‐Fang, Cochard, Hervé, Delzon, Sylvain, Domec, Jean‐Christophe, Fan, Ze‐Xin, Feild, Taylor S, Jacobsen, Anna L, Johnson, Daniel M, Lens, Frederic, Maherali, Hafiz, Martínez‐Vilalta, Jordi, Mayr, Stefan, McCulloh, Katherine A, Mencuccini, Maurizio, Mitchell, Patrick J, Morris, Hugh, Nardini, Andrea, Pittermann, Jarmila, Plavcová, Lenka, Schreiber, Stefan G, Sperry, John S, Wright, Ian J, Zanne, Amy E

“…The evolution of lignified xylem allowed for the efficient transport of water under tension, but also exposed the vascular network to the risk of gas emboli…”
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Vulnerability to cavitation, hydraulic efficiency, growth and survival in an insular pine (Pinus canariensis) by López, Rosana, de Heredia, Unai López, Collada, Carmen, Cano, Francisco Javier, Emerson, Brent C., Cochard, Hervé, Gil, Luis

“…• Background and Aims It is widely accepted that hydraulic failure due to xylem embolism is a key factor contributing to drought-induced mortality in trees. In…”
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Does sample length influence the shape of xylem embolism vulnerability curves? A test with the Cavitron spinning technique by COCHARD, HERVÉ, HERBETTE, STÉPHANE, BARIGAH, TÊTÈ, BADEL, ERIC, ENNAJEH, MUSTAPHA, VILAGROSA, ALBERTO

“…The Cavitron spinning technique is used to construct xylem embolism vulnerability curves (VCs), but its reliability has been questioned for species with long…”
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Global convergence in the vulnerability of forests to drought by Choat, B, Jansen, S, Brodribb, T.J, Cochard, H, Delzon, S, Bhaskar, R, Bucci, S.J, Feild, T.S, Gleason, S.M, Hacke, U.G, Jacobsen, A.L, Lens, F, Maherali, H, Martínez-Vilalta, J, Mayr, S, Mencuccini, M, Mitchell, P.J, Nardini, A, Pittermann, J, Pratt, R.B, Sperry, J.S, Westoby, M, Wright, I.J, Zanne, A.E

“…Shifts in rainfall patterns and increasing temperatures associated with climate change are likely to cause widespread forest decline in regions where droughts…”
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Water relations, photosynthesis, xylem embolism and accumulation of carbohydrates and cyclitols in two Eucalyptus species (E. camaldulensis and E. torquata) subjected to dehydration–rehydration cycle by Souden, Samira, Ennajeh, Mustapha, Ouledali, Sarra, Massoudi, Nooman, Cochard, Hervé, Khemira, Habib

“…Key message Resilience to xylem embolism and the accumulation of cyclitols are promising criteria for the selection of drought-resilient Eucalyptus species…”
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Genotypic variability and phenotypic plasticity of cavitation resistance in Fagus sylvatica L. across Europe by Wortemann, Rémi, Herbette, Stéphane, Barigah, Têtè Sévérien, Fumanal, Boris, Alia, Ricardo, Ducousso, Alexis, Gomory, Dusan, Roeckel-Drevet, Patricia, Cochard, Hervé

“…Xylem cavitation resistance is a key physiological trait correlated with species tolerance to extreme drought stresses. Little is known about the genetic…”
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New Insights into the Mechanisms of Water-Stress-Induced Cavitation in Conifers by Cochard, Hervé, Hölttä, Teemu, Herbette, Stéphane, Delzon, Sylvain, Mencuccini, Maurizio

“…Cavitation resistance is a key parameter to understand tree drought tolerance but little is known about the mechanisms of air entry into xylem conduits. For…”
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Xylem resistance to embolism: presenting a simple diagnostic test for the open vessel artefact by Torres‐Ruiz, José M., Cochard, Hervé, Choat, Brendan, Jansen, Steven, López, Rosana, Tomášková, Ivana, Padilla‐Díaz, Carmen M., Badel, Eric, Burlett, Regis, King, Andrew, Lenoir, Nicolas, Martin‐StPaul, Nicolas K., Delzon, Sylvain

“…Xylem vulnerability to embolism represents an essential trait for the evaluation of the impact of hydraulics in plant function and ecology. The standard…”
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Immunolabelling of intervessel pits for polysaccharides and lignin helps in understanding their hydraulic properties in Populus tremula × alba by Herbette, Stéphane, Bouchet, Brigitte, Brunel, Nicole, Bonnin, Estelle, Cochard, Hervé, Guillon, Fabienne

“…The efficiency and safety functions of xylem hydraulics are strongly dependent on the pits that connect the xylem vessels. However, little is known about their…”
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