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Skip to Search Results- 10Hacke, Uwe G.
- 4Sperry, John S.
- 2 Feild, Taylor S.
- 2 Feild, Taylor S.
- 2 Pittermann, Jarmila
- 2 Sano, Yuzou
- 4Basal Angiosperm Physiology
- 4Ecological Wood Anatomy
- 4Xylem
- 2Alpine Timberline
- 2Bordered Pit
- 2Cavitation
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2006
Mayr, Stefan, Schmid, Peter, Hacke, Uwe G., Schweinbacher, Franziska, Gruber, Andreas
Abstract. Drought stress can cause xylem embolism in trees when the water potential (W)in the xylem falls below specific vulnerability thresholds. At the alpine timberline, frostdrought is known to cause excessive winter embolism unless xylem vulnerability ortranspiration is sufficiently reduced to...
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2006
Schmid, Peter, Schweinbacher, Franziska, Mayr, Stefan, Gruber, Andreas, Hacke, Uwe G.
Abstract. Drought stress can cause xylem embolism in trees when the water potential (W)in the xylem falls below specific vulnerability thresholds. At the alpine timberline, frostdrought is known to cause excessive winter embolism unless xylem vulnerability ortranspiration is sufficiently reduced to...
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2007
Hacke, Uwe G., Feild, Taylor S., Sano, Yuzuo, Sperry, John S., Sikkema, Elzard H.
We tested two hypotheses for how vessel evolution in angiosperms influenced xylem function. First, the transition to vessels decreased resistance to flow—often considered the driving force for their evolution. Second, the transition to vessels compromised safety from cavitation—a constraint...
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2007
Sano, Yuzuo, Hacke, Uwe G., Sperry, John S., Sikkema, Elzard H., Feild, Taylor S.
We tested two hypotheses for how vessel evolution in angiosperms influenced xylem function. First, the transition to vessels decreased resistance to flow—often considered the driving force for their evolution. Second, the transition to vessels compromised safety from cavitation—a constraint...
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Nobody’s perfect: Can irregularities in pit structure influence vulnerability to cavitation?
Download2013
Plavcová, Lenka, Hacke, Uwe G., Klepsch, Matthias M., Jansen, Steven
Recent studies have suggested that species-specific pit properties such as pit membrane thickness, pit membrane porosity, torus-to-aperture diameter ratio and pit chamber depth influence xylem vulnerability to cavitation. Despite the indisputable importance of using mean pit characteristics,...
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Nobody’s perfect: Can irregularities in pit structure influence vulnerability to cavitation?
Download2013
Hacke, Uwe G., Plavcová, Lenka, Klepsch, Matthias M., Jansen, Steven
Recent studies have suggested that species-specific pit properties such as pit membrane thickness, pit membrane porosity, torus-to-aperture diameter ratio and pit chamber depth influence xylem vulnerability to cavitation. Despite the indisputable importance of using mean pit characteristics,...
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The role of water channel proteins in facilitating recovery of leaf hydraulic concutance from water stress in Populus trichocarpa
Download2014
Gas exchange is constrained by the whole-plant hydraulic conductance (Kplant). Leaves account for an important fraction of Kplant and may therefore represent a major determinant of plant productivity. Leaf hydraulic conductance (Kleaf) decreases with increasing water stress, which is due to xylem...
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The role of water channel proteins in facilitating recovery of leaf hydraulic concutance from water stress in Populus trichocarpa
Download2014
Gas exchange is constrained by the whole-plant hydraulic conductance (Kplant). Leaves account for an important fraction of Kplant and may therefore represent a major determinant of plant productivity. Leaf hydraulic conductance (Kleaf) decreases with increasing water stress, which is due to xylem...
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2007
Hacke, Uwe G., Sperry, John S., Sikkema, Elzard H., Pittermann, Jarmila, Feild, Taylor S., Sano, Yuzou
Two structure‐function hypotheses were tested for vesselless angiosperm wood. First, vesselless angiosperm wood should have much higher flow resistance than conifer wood because angiosperm tracheids lack low‐resistance torus‐margo pits. Second, vesselless wood ought to be exceptionally safe from...
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2007
Sano, Yuzou, Pittermann, Jarmila, Sikkema, Elzard H., Hacke, Uwe G., Sperry, John S., Feild, Taylor S.
Two structure‐function hypotheses were tested for vesselless angiosperm wood. First, vesselless angiosperm wood should have much higher flow resistance than conifer wood because angiosperm tracheids lack low‐resistance torus‐margo pits. Second, vesselless wood ought to be exceptionally safe from...