Herve Cochard

Summary

Affiliation: Institut National de la Recherche Agronomique
Country: France

Publications

  1. ncbi request reprint Temperature effects on hydraulic conductance and water relations of Quercus robur L
    H Cochard
    UA PIAF, INRA, Clermont Ferrand, France
    J Exp Bot 51:1255-9. 2000
  2. doi request reprint Does sample length influence the shape of xylem embolism vulnerability curves? A test with the Cavitron spinning technique
    Herve Cochard
    INRA, UMR 547 PIAF, F 63100 Clermont Ferrand, France
    Plant Cell Environ 33:1543-52. 2010
  3. doi request reprint The effects of sap ionic composition on xylem vulnerability to cavitation
    Herve Cochard
    INRA, UMR 547 PIAF, F 63100 Clermont Ferrand, France
    J Exp Bot 61:275-85. 2010
  4. pmc New insights into the mechanisms of water-stress-induced cavitation in conifers
    Herve Cochard
    INRA, UMR 547 PIAF, F 63100 Clermont Ferrand, France
    Plant Physiol 151:949-54. 2009
  5. ncbi request reprint Xylem vulnerability to cavitation varies among poplar and willow clones and correlates with yield
    Herve Cochard
    UMR547 PIAF, INRA, University Blaise Pascal, F 63100 Clermont Ferrand, France
    Tree Physiol 27:1761-7. 2007
  6. ncbi request reprint Cavitation in plants at low temperature: is sap transport limited by the tensile strength of water as expected from Briggs' Z-tube experiment?
    Herve Cochard
    UMR547 PIAF, INRA, Univ Blaise Pascal F 63100 Clermont Ferrand, France
    New Phytol 173:571-5. 2007
  7. ncbi request reprint Hydraulic architecture correlates with bud organogenesis and primary shoot growth in beech (Fagus sylvatica)
    Herve Cochard
    UMR PIAF, INRA UBP, INRA Site de Crouël, 234 avenue du Brezet, 63039 Clermont Ferrand, France
    Tree Physiol 25:1545-52. 2005
  8. pmc Xylem wall collapse in water-stressed pine needles
    Herve Cochard
    Unité Mixte de Recherche Physiologie Intégrée de l Arbre Fruitier et Forestier, Institut National de la Recherche Agronomique Université Blaise Pascal, Site de Crouelle, 63039 Clermont Ferrand, France
    Plant Physiol 134:401-8. 2004
  9. ncbi request reprint A new validation of the Scholander pressure chamber technique based on stem diameter variations
    H Cochard
    UMR PIAF, INRA UBP, Site de Crouelle, 234 Av du Brezet, 63039 Clermont Ferrand cedex 2, France
    J Exp Bot 52:1361-5. 2001
  10. ncbi request reprint Xylem embolism and drought-induced stomatal closure in maize
    Herve Cochard
    UMR PIAF, INRA Université Blaise Pascal, Site INRA de Crouelle, 234 Av du Brezet, 63039 Clermont Ferrand, France
    Planta 215:466-71. 2002

Collaborators

Detail Information

Publications37

  1. ncbi request reprint Temperature effects on hydraulic conductance and water relations of Quercus robur L
    H Cochard
    UA PIAF, INRA, Clermont Ferrand, France
    J Exp Bot 51:1255-9. 2000
    ..As a consequence, a linear relationship was found between E and g(plant). The results illustrate the significance of g(plant) for the stomatal control of transpiration and the significance of temperature for tree water transport...
  2. doi request reprint Does sample length influence the shape of xylem embolism vulnerability curves? A test with the Cavitron spinning technique
    Herve Cochard
    INRA, UMR 547 PIAF, F 63100 Clermont Ferrand, France
    Plant Cell Environ 33:1543-52. 2010
    ..We recommend restricting this technique to species with short conduits. The relevance of our conclusions for other spinning techniques is discussed...
  3. doi request reprint The effects of sap ionic composition on xylem vulnerability to cavitation
    Herve Cochard
    INRA, UMR 547 PIAF, F 63100 Clermont Ferrand, France
    J Exp Bot 61:275-85. 2010
    ....
  4. pmc New insights into the mechanisms of water-stress-induced cavitation in conifers
    Herve Cochard
    INRA, UMR 547 PIAF, F 63100 Clermont Ferrand, France
    Plant Physiol 151:949-54. 2009
    ..The possible Achilles' heel could be the seal between tori and pit walls or holes in the torus. The mechanism of water-stress-induced cavitation in conifers could then be relatively similar to the one currently proposed for angiosperms...
  5. ncbi request reprint Xylem vulnerability to cavitation varies among poplar and willow clones and correlates with yield
    Herve Cochard
    UMR547 PIAF, INRA, University Blaise Pascal, F 63100 Clermont Ferrand, France
    Tree Physiol 27:1761-7. 2007
    ....
  6. ncbi request reprint Cavitation in plants at low temperature: is sap transport limited by the tensile strength of water as expected from Briggs' Z-tube experiment?
    Herve Cochard
    UMR547 PIAF, INRA, Univ Blaise Pascal F 63100 Clermont Ferrand, France
    New Phytol 173:571-5. 2007
    ..This points out an artefact in Brigg's experiment at low temperature possibly related to imperfections in the tube walls which act as cavitation nuclei...
  7. ncbi request reprint Hydraulic architecture correlates with bud organogenesis and primary shoot growth in beech (Fagus sylvatica)
    Herve Cochard
    UMR PIAF, INRA UBP, INRA Site de Crouël, 234 avenue du Brezet, 63039 Clermont Ferrand, France
    Tree Physiol 25:1545-52. 2005
    ..These results suggest that organogenesis and primary growth in buds correlates with secondary growth of the growth units and thus with their hydraulic architecture. Possible causal relationships between the variables are discussed...
  8. pmc Xylem wall collapse in water-stressed pine needles
    Herve Cochard
    Unité Mixte de Recherche Physiologie Intégrée de l Arbre Fruitier et Forestier, Institut National de la Recherche Agronomique Université Blaise Pascal, Site de Crouelle, 63039 Clermont Ferrand, France
    Plant Physiol 134:401-8. 2004
    ..Wall collapse in dehydrated needles was rapidly reversed upon rehydration. We discuss the implications of this novel hydraulic trait on the xylem function and on the understanding of pine water relations...
  9. ncbi request reprint A new validation of the Scholander pressure chamber technique based on stem diameter variations
    H Cochard
    UMR PIAF, INRA UBP, Site de Crouelle, 234 Av du Brezet, 63039 Clermont Ferrand cedex 2, France
    J Exp Bot 52:1361-5. 2001
    ....
  10. ncbi request reprint Xylem embolism and drought-induced stomatal closure in maize
    Herve Cochard
    UMR PIAF, INRA Université Blaise Pascal, Site INRA de Crouelle, 234 Av du Brezet, 63039 Clermont Ferrand, France
    Planta 215:466-71. 2002
    ..However, it can be speculated that an increase in cavitation resistance by cultural practices or genetic selection may increase drought survival in maize...
  11. pmc Unraveling the effects of plant hydraulics on stomatal closure during water stress in walnut
    Herve Cochard
    Unité Mixte de Recherche 547 Physiologie Intégrée de l Arbre Fruitier et Forestier, Institut National de la Recherche Agronomique Université Blaise Pascal, Site de Crouelle, 63039 Clermont Ferrand cedex 02, France
    Plant Physiol 128:282-90. 2002
    ....
  12. pmc Cryo-scanning electron microscopy observations of vessel content during transpiration in walnut petioles. Facts or artifacts?
    H Cochard
    Unité Mixte de Recherche Physiologie Intégrée de l Arbre Fruitier et Forestier, Institut National de la Recherche Agronomique, Universite Blaise Pascal, 63039 Clermont Ferrand cedex 2, France
    Plant Physiol 124:1191-202. 2000
    ..We believe that the cryo-SEM observations published recently should probably be reconsidered in the light of our results before they may be used as arguments against the cohesion-tension theory...
  13. doi request reprint Modulation of bud survival in Populus nigra sprouts in response to water stress-induced embolism
    Tete Severien Barigah
    INRA, UMR547 PIAF, F 63100 Clermont Ferrand, France
    Tree Physiol 33:261-74. 2013
    ..Bud moisture content could be a key factor in determining the capacity of poplar to recover from water stress...
  14. pmc Water stress-induced xylem hydraulic failure is a causal factor of tree mortality in beech and poplar
    Tete Severien Barigah
    INRA, UMR547 PIAF, F 63100 Clermont Ferrand, France
    Ann Bot 112:1431-7. 2013
    ..This study tests the hypothesis that a potted tree's ability to survive extreme monotonic water stress is determined by the cavitation resistance of its xylem tissue...
  15. doi request reprint Xylem embolism threshold for catastrophic hydraulic failure in angiosperm trees
    Morgane Urli
    INRA, UMR 1202 BIOGECO, F 33610, Cestas, France
    Tree Physiol 33:672-83. 2013
    ....
  16. doi request reprint Light-mediated K(leaf) induction and contribution of both the PIP1s and PIP2s aquaporins in five tree species: walnut (Juglans regia) case study
    Khaoula Ben Baaziz
    Clermont Universite, Universite Blaise Pascal, UMR547 PIAF, BP 10448, F 63000 Clermont Ferrand, France
    Tree Physiol 32:423-34. 2012
    ..These data support a relationship between light-mediated K(leaf) regulation and the abundance of aquaporin transcripts in the walnut tree...
  17. doi request reprint Genotypic variability and phenotypic plasticity of cavitation resistance in Fagus sylvatica L. across Europe
    Remi Wortemann
    INRA, UMR 547 PIAF, F 63100 Clermont Ferrand, France
    Tree Physiol 31:1175-82. 2011
    ..The implications of our findings for beech forest management in a context of climate change are discussed...
  18. doi request reprint Poplar vulnerability to xylem cavitation acclimates to drier soil conditions
    Hosam Awad
    Clermont Universite, Universite Blaise Pascal, UMR 547 PIAF, F 63177, Aubiere, France
    Physiol Plant 139:280-8. 2010
    ..The links between these parameters are discussed...
  19. ncbi request reprint Methods for measuring plant vulnerability to cavitation: a critical review
    Herve Cochard
    INRA, UMR 547 PIAF, F 63100 Clermont Ferrand, France
    J Exp Bot 64:4779-91. 2013
    ..We suspect that 'exponential' curves may reflect an open-vessel artefact and call for more precautions with the usage of the pressure sleeve and centrifugation techniques. ..
  20. doi request reprint Genetic determinism of anatomical and hydraulic traits within an apple progeny
    Pierre Eric Lauri
    INRA, UMR 1334 AGAP, F 34398 Montpellier cedex 5, France
    Plant Cell Environ 34:1276-90. 2011
    ..Together with previous results on the same progeny, our study substantiated that hydraulic efficiency traits co-localized with traits identified for tree growth and fruit production...
  21. pmc Putative role of aquaporins in variable hydraulic conductance of leaves in response to light
    Herve Cochard
    Unité Mixte de Recherche 547, Physiologie Intégrée de l Arbre Fruitier et Forestier, Institut National de la Recherche Agronomique, 63039 Clermont Ferrand, France
    Plant Physiol 143:122-33. 2007
    ..Model simulation suggests that variable leaf hydraulic conductance in walnut might enhance leaf gas exchanges while buffering leaf water status in response to ambient light fluctuations...
  22. doi request reprint Insights into xylem vulnerability to cavitation in Fagus sylvatica L.: phenotypic and environmental sources of variability
    Stephane Herbette
    Universite Blaise Pascal, UMR 547 PIAF, avenue des Landais, F 63177 Aubiere, France
    Tree Physiol 30:1448-55. 2010
    ..These results on beech populations were discussed with respect to the results at within-tree level...
  23. doi request reprint Evaluation of the impact of frost resistances on potential altitudinal limit of trees
    Guillaume Charrier
    INRA, UMR547 PIAF, F 63100 Clermont Ferrand, France
    Tree Physiol 33:891-902. 2013
    ..Monitoring different frost resistance strategies brings new insights to our understanding of the altitudinal limits of trees. ..
  24. pmc Arabidopsis thaliana as a model species for xylem hydraulics: does size matter?
    Aude Tixier
    Clermont Universite, Universite Blaise Pascal, UMR 547 PIAF, F 63177, Aubiere, France
    J Exp Bot 64:2295-305. 2013
    ..Compared to perennial woody species, however, the lesser amount of xylem in A. thaliana has its limitations...
  25. ncbi request reprint Experimental analysis of the role of water and carbon in tree stem diameter variations
    François Alain Daudet
    UMR PIAF INRA Université Blaise Pascal, Site INRA de Crouelle, 234 Av du Brezet, F 63039 Clermont Ferrand Cedex 2, France
    J Exp Bot 56:135-44. 2005
    ..Moreover, they suggest no or very low involvement of CO2 originating from a distance, i.e. carried by the transpirational flux of xylem sap, in the total stem CO2 efflux rate...
  26. pmc Calcium is a major determinant of xylem vulnerability to cavitation
    Stephane Herbette
    Clermont Universite, Universite Blaise Pascal, UMR 547 PIAF, F 63177 Aubiere, France
    Plant Physiol 153:1932-9. 2010
    ..This was evidenced in angiosperms as well as conifer species, thus supporting the hypothesis of a common mechanism in drought-induced cavitation...
  27. ncbi request reprint Is xylem cavitation resistance a relevant criterion for screening drought resistance among Prunus species?
    Herve Cochard
    UMR547 PIAF, INRA, Univ Blaise Pascal, F 63100 Clermont Ferrand, France
    J Plant Physiol 165:976-82. 2008
    ..This anatomical trait is, therefore, suggested as a possible alternative to direct cavitation estimates and could be included as a screening criterion in breeding programs for drought resistance of Prunus genotypes...
  28. doi request reprint Hydrolase treatments help unravel the function of intervessel pits in xylem hydraulics
    Anaïs Dusotoit-Coucaud
    INRA, UMR547 PIAF, 5 Chemin de Beaulieu, 63039, Clermont Ferrand, Cedex 02, France Clermont Université, Universite Blaise Pascal, UMR547 PIAF, BP 10448, 63000, Clermont Ferrand, France
    Physiol Plant 150:388-96. 2014
    ..This study brings evidence that cellulose and pectins are critical components underpinning VC, and that PM components may play distinct roles in the xylem hydraulic safety and efficiency. ..
  29. doi request reprint Limited genetic variability and phenotypic plasticity detected for cavitation resistance in a Mediterranean pine
    Jean Baptiste Lamy
    INRA, UMR 1202 BIOGECO, F 33610, Cestas, France INRA, UMR 547 PIAF, F 63100, Clermont Ferrand, France
    New Phytol 201:874-86. 2014
    ..Consequently, in a drier world, the increasing drought tolerance of Pinus species might be severely constrained by the low level of cavitation resistance variation, resulting in a large-scale loss of productivity. ..
  30. doi request reprint Hydraulic properties of naturally regenerated beech saplings respond to canopy opening
    Blandine Caquet
    INRA, UMR 1137 Ecologie et Ecophysiologie Forestières, F 54280 Champenoux, France
    Tree Physiol 29:1395-405. 2009
    ....
  31. ncbi request reprint Winter stem xylem pressure in walnut trees: effects of carbohydrates, cooling and freezing
    T Ameglio
    UMR PIAF INRA Univ Blaise Pascal, Site INRA de Crouelle, 234 Av du Brezet, F 63039 Clermont Ferrand Cedex 2, France
    Tree Physiol 21:387-94. 2001
    ..A simple osmotic model could account for the modest positive winter pressures at low, nonfreezing temperatures, but not for the synergistic effects of freeze-thaw cycles...
  32. ncbi request reprint Stem diameter variations and cold hardiness in walnut trees
    T Ameglio
    UMR PIAF INRA, Universite Blaise Pascal, Site INRA de Crouelle, 234 Av du Brezet, F 63039 Clermont Ferrand Cedex 2, France
    J Exp Bot 52:2135-42. 2001
    ....
  33. doi request reprint Aquaporins and leaf hydraulics: poplar sheds new light
    David Lopez
    Clermont Universite, Universite Blaise Pascal, UMR547 PIAF, BP 10448, F 63000 Clermont Ferrand, France
    Plant Cell Physiol 54:1963-75. 2013
    ..Promoter analysis revealed that a large number of hormone, light, stress response and circadian elements are present. Finally, involvement of aquaporins is supported by the reduction of Kleaf by HgCl2 treatment...
  34. pmc Uniform selection as a primary force reducing population genetic differentiation of cavitation resistance across a species range
    Jean Baptiste Lamy
    INRA, UMR 1202 BIOGECO, F 33610 Cestas, France
    PLoS ONE 6:e23476. 2011
    ..This information is essential to our understanding of the evolutionary forces that have shaped this trait, and for evaluation of its inclusion in breeding programs...
  35. ncbi request reprint Winter embolism, mechanisms of xylem hydraulic conductivity recovery and springtime growth patterns in walnut and peach trees
    Thierry Ameglio
    UMR PIAF INRA, Universite Blaise Pascal, Centre INRA de Clermont Ferrand Theix, Site de Crouelle, 234, av du Brezet, 63039 Clermont Ferrand cedex 02, France
    Tree Physiol 22:1211-20. 2002
    ..The climatic conditions necessary for the manifestation of these mechanisms were investigated...
  36. ncbi request reprint Could rapid diameter changes be facilitated by a variable hydraulic conductance?
    Kathy Steppe
    Laboratory of Plant Ecology, Department of Applied Ecology and Environmental Biology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B 9000 Ghent, Belgium
    Plant Cell Environ 35:150-7. 2012
    ..This variability should be considered when interpreting and modelling diameter changes...
  37. doi request reprint Apple shoot architecture: evidence for strong variability of bud size and composition and hydraulics within a branching zone
    Pierre Eric Lauri
    INRA, UMR DAP, 1098, Equipe AFEF, 2 place P Viala, 34060 Montpellier Cedex 1, France
    New Phytol 178:798-807. 2008
    ..It is hypothesized that this developmental patterning is driven by hydraulic characteristics of the whole metamer, including the subtending leaf, during bud development...