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    <title>UTas ePrints - Relations between stomatal closure, leaf turgor and xylem vulnerability in eight tropical dry forest trees</title>
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    <meta content="Brodribb, Tim J." name="eprints.creators_name" />
<meta content="Holbrook, N. M." name="eprints.creators_name" />
<meta content="Edwards, E. J." name="eprints.creators_name" />
<meta content="Gutierrez, M. V." name="eprints.creators_name" />
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<meta content="Relations between stomatal closure, leaf turgor and xylem
vulnerability in eight tropical dry forest trees" name="eprints.title" />
<meta content="pub" name="eprints.ispublished" />
<meta content="270402" name="eprints.subjects" />
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<meta content="cavitation; percentage loss of conductivity;
pressure–volume curve; stomatal closure; tropical dry forest
trees; turgor loss point; water potential." name="eprints.keywords" />
<meta content="The definitive version is available at www.blackwell-synergy.com
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<meta content="This study examined the linkage between xylem vulnerability,
stomatal response to leaf water potential (
Y
L
), and
loss of leaf turgor in eight species of seasonally dry tropical
forest trees. In order to maximize the potential variation in
these traits species that exhibit a range of leaf habits and
phenologies were selected. It was found that in all species
stomatal conductance was responsive to
Y
L
over a narrow
range of water potentials, and that
Y
L
inducing 50% stomatal
closure was correlated with both the
Y
L
inducing a
20% loss of xylem hydraulic conductivity and leaf water
potential at turgor loss in all species. In contrast, there was
no correlation between the water potential causing a 50%
loss of conductivity in the stem xylem, and the water potential
at stomatal closure (
Y
SC
) amongst species. It was concluded
that although both leaf and xylem characters are
correlated with the response of stomata to
Y
L,
there is
considerable flexibility in this linkage. The range of
responses is discussed in terms of the differing leaf-loss
strategies exhibited by these species." name="eprints.abstract" />
<meta content="2003" name="eprints.date" />
<meta content="published" name="eprints.date_type" />
<meta content="Plant, Cell and Environment" name="eprints.publication" />
<meta content="26" name="eprints.volume" />
<meta content="3" name="eprints.number" />
<meta content="443-450" name="eprints.pagerange" />
<meta content="10.1046/j.1365-3040.2003.00975.x" name="eprints.id_number" />
<meta content="TRUE" name="eprints.refereed" />
<meta content="1365-3040" name="eprints.issn" />
<meta content="http://dx.doi.org/10.1046/j.1365-3040.2003.00975.x" name="eprints.official_url" />
<meta content="Aasamaa K., Sober A. &amp; Rahi M. (2001) Leaf anatomical characteristics
associated with shoot hydraulic conductance, stomatal
conductance and stomatal sensitivity to changes of leaf water
status in temperate deciduous trees. Australian Journal of Plant
Physiology 28, 765–774.
Brodribb T.J. &amp; Feild T.S. (2000) Stem hydraulic supply is linked
to leaf photosynthetic capacity: evidence from New Caledonian
and Tasmanian rainforests. Plant, Cell and Environment 23,
1381–1388.
Brodribb T. &amp; Hill R. (1999) The importance of xylem constraints
in the distribution of conifer species. New Phytologist 143, 365–
372.
Brodribb T.J., Holbrook N.M. &amp; Gutiérrez M. (2002) Hydraulic
and photosynthetic coordination in seasonally dry tropical forest
trees. Plant, Cell and Environment 25, 1435–1444.
Cochard H., Bodet C., Ameglio T. &amp; Cruiziat P. (2000) Cryoscanning
electron microscopy observations of vessel content
during transpiration in walnut petioles. Facts or artifacts? Plant
Physiology 124, 1191–1202.
Cochard H., Coll L., Le Roux X. &amp; Ameglio T. (2002) Unraveling
the effects of plant hydraulics on stomatal closure during water
stress in walnut. Plant Physiology 128, 282–290.
Cowan I.R. (1977) Stomatal behaviour and environment.
Advances in Botanical Research 4, 114–228.
Cowan I.R. &amp; Farquhar G.D. (1977) Stomatal function in relation
to leaf metabolism and environment. Symposium of the Society
for Experimental Biology 31, 471–505.
Hubbard R., Ryan M., Stiller V. &amp; Sperry J. (2001) Stomatal
conductance and photosynthesis vary linearly with plant hydraulic
conductance in ponderosa pine. Plant, Cell and Environment
24, 113–121.
Jarbeau J., Ewers F. &amp; Davis S. (1995) The mechanism of waterstress-
induced embolism in two species of chaparral shrubs.
Plant, Cell and Environment 18, 189–196.
Koide R.T., Robichaux R.H., Morse S.R. &amp; Smith C.M. (1991)
Plant water status, hydraulic resistance and capacitance. In
Plant Physiological Ecology (eds R.W. Pearcy, J. Ehleringer,
H.A. Mooney &amp; P.W. Rundel), pp. 161–183. Chapman &amp; Hall,
New York, USA.
Kolb K.J. &amp; Davis S.D. (1994) Drought tolerance and xylem
embolism in co-occurring species of coastal sage and chaparral.
Ecology 75, 648–659.
Kramer P.J. &amp; Boyer J.S. (1995) Water Relations of Plants and
Soils . Academic Press, San Diego, CA, USA.
Mott K.A. &amp; Franks P.J. (2001) The role of epidermal turgor in
stomatal interactions following a local perturbation in humidity.
Plant, Cell and Environment 24, 657–662.
Mott K.A., Shope J.C. &amp; Buckley T.N. (1999) Effects of humidity
on light-induced stomatal opening: evidence for hydraulic coupling
among stomata. Journal of Experimental Botany 50, 1207–
1213.
Nardini A. &amp; Salleo S. (2000) Limitation of stomatal conductance
by hydraulic traits: sensing or preventing xylem cavitation? Trees
15, 14–24.
Nardini A., Lo Gullo M.A. &amp; Salleo S. (1999) Competitive strategies
for water availability in two Mediterranean Quercus species.
Plant, Cell and Environment 22, 109–116.
Nardini A., Tyree M.T. &amp; Salleo S. (2001) Xylem cavitation in the
leaf of Prunus laurocerasus L. and its impact on leaf hydraulics.
Plant Physiology 125, 1700–1709.
Salleo S., Lo Gullo M.A., Raimondo F. &amp; Nardini A. (2001) Vulnerability
to cavitation of leaf minor veins: any impact on leaf
gas exchange? Plant, Cell and Environment 24, 851–859.
Sperry J.S. &amp; Pockman W.T. (1993) Limitation of transpiration by
hydraulic conductance and xylem cavitation in Betula occidentalis
. Plant, Cell and Environment 16, 279–287.
Sperry J. &amp; Saliendra N. (1994) Intra- and inter-plant variation in
xylem cavitation in Betula occidentalis . Plant, Cell and Environment
17, 1233–1241.
Tardieu F. &amp; Simonneau T. (1998) Variability among species of
stomatal control under fluctuating soil water status and evaporative
demand: modeling isohydric and anisohydric behaviours.
Journal of Experimental Botany 49, 419–432.
Tyree M.T. &amp; Sperry J.S. (1989) Vulnerability of xylem to cavitation
and embolism. Annual Review of Plant Physiology and
Plant Molecular Biology. 40, 19–38.
Zimmermann M.H. (1983) Xylem Structure and the Ascent of Sap .
Springer-Verlag, Berlin, Germany." name="eprints.referencetext" />
<meta content="Brodribb, Tim J. and Holbrook, N. M. and Edwards, E. J. and Gutierrez, M. V. (2003) Relations between stomatal closure, leaf turgor and xylem vulnerability in eight tropical dry forest trees. Plant, Cell and Environment, 26 (3). pp. 443-450. ISSN 1365-3040" name="eprints.citation" />
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<meta content="Relations between stomatal closure, leaf turgor and xylem
vulnerability in eight tropical dry forest trees" name="DC.title" />
<meta content="Brodribb, Tim J." name="DC.creator" />
<meta content="Holbrook, N. M." name="DC.creator" />
<meta content="Edwards, E. J." name="DC.creator" />
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<meta content="270402 Plant Physiology" name="DC.subject" />
<meta content="270400 Botany" name="DC.subject" />
<meta content="This study examined the linkage between xylem vulnerability,
stomatal response to leaf water potential (
Y
L
), and
loss of leaf turgor in eight species of seasonally dry tropical
forest trees. In order to maximize the potential variation in
these traits species that exhibit a range of leaf habits and
phenologies were selected. It was found that in all species
stomatal conductance was responsive to
Y
L
over a narrow
range of water potentials, and that
Y
L
inducing 50% stomatal
closure was correlated with both the
Y
L
inducing a
20% loss of xylem hydraulic conductivity and leaf water
potential at turgor loss in all species. In contrast, there was
no correlation between the water potential causing a 50%
loss of conductivity in the stem xylem, and the water potential
at stomatal closure (
Y
SC
) amongst species. It was concluded
that although both leaf and xylem characters are
correlated with the response of stomata to
Y
L,
there is
considerable flexibility in this linkage. The range of
responses is discussed in terms of the differing leaf-loss
strategies exhibited by these species." name="DC.description" />
<meta content="2003" name="DC.date" />
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    <h1 class="ep_tm_pagetitle">Relations between stomatal closure, leaf turgor and xylem vulnerability in eight tropical dry forest trees</h1>
    <p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Brodribb, Tim J.</span> and <span class="person_name">Holbrook, N. M.</span> and <span class="person_name">Edwards, E. J.</span> and <span class="person_name">Gutierrez, M. V.</span> (2003) <xhtml:em>Relations between stomatal closure, leaf turgor and xylem vulnerability in eight tropical dry forest trees.</xhtml:em> Plant, Cell and Environment, 26 (3). pp. 443-450. ISSN 1365-3040</p><p style="margin-bottom: 1em" class="not_ep_block"></p><table style="margin-bottom: 1em" class="not_ep_block"><tr><td valign="top" style="text-align:center"><a href="http://eprints.utas.edu.au/2599/1/stem__cav__stomata.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" border="0" class="ep_doc_icon" /></a></td><td valign="top"><a href="http://eprints.utas.edu.au/2599/1/stem__cav__stomata.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />411Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input value="3407" name="docid" accept-charset="utf-8" type="hidden" /><div class=""><input value="Request a copy" name="_action_null" class="ep_form_action_button" onclick="return EPJS_button_pushed( '_action_null' )" type="submit" /> </div></form></td></tr></table><p style="margin-bottom: 1em" class="not_ep_block">Official URL: <a href="http://dx.doi.org/10.1046/j.1365-3040.2003.00975.x">http://dx.doi.org/10.1046/j.1365-3040.2003.00975.x</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">This study examined the linkage between xylem vulnerability,&#13;
stomatal response to leaf water potential (&#13;
Y&#13;
L&#13;
), and&#13;
loss of leaf turgor in eight species of seasonally dry tropical&#13;
forest trees. In order to maximize the potential variation in&#13;
these traits species that exhibit a range of leaf habits and&#13;
phenologies were selected. It was found that in all species&#13;
stomatal conductance was responsive to&#13;
Y&#13;
L&#13;
over a narrow&#13;
range of water potentials, and that&#13;
Y&#13;
L&#13;
inducing 50% stomatal&#13;
closure was correlated with both the&#13;
Y&#13;
L&#13;
inducing a&#13;
20% loss of xylem hydraulic conductivity and leaf water&#13;
potential at turgor loss in all species. In contrast, there was&#13;
no correlation between the water potential causing a 50%&#13;
loss of conductivity in the stem xylem, and the water potential&#13;
at stomatal closure (&#13;
Y&#13;
SC&#13;
) amongst species. It was concluded&#13;
that although both leaf and xylem characters are&#13;
correlated with the response of stomata to&#13;
Y&#13;
L,&#13;
there is&#13;
considerable flexibility in this linkage. The range of&#13;
responses is discussed in terms of the differing leaf-loss&#13;
strategies exhibited by these species.</p></div><table style="margin-bottom: 1em" border="0" cellpadding="3" class="not_ep_block"><tr><th valign="top" class="ep_row">Item Type:</th><td valign="top" class="ep_row">Article</td></tr><tr><th valign="top" class="ep_row">Additional Information:</th><td valign="top" class="ep_row">The definitive version is available at www.blackwell-synergy.com&#13;
</td></tr><tr><th valign="top" class="ep_row">Keywords:</th><td valign="top" class="ep_row">cavitation; percentage loss of conductivity;&#13;
pressure–volume curve; stomatal closure; tropical dry forest&#13;
trees; turgor loss point; water potential.</td></tr><tr><th valign="top" class="ep_row">Subjects:</th><td valign="top" class="ep_row"><a href="http://eprints.utas.edu.au/view/subjects/270402.html">270000 Biological Sciences &gt; 270400 Botany &gt; 270402 Plant Physiology</a><br /><a href="http://eprints.utas.edu.au/view/subjects/270400.html">270000 Biological Sciences &gt; 270400 Botany</a></td></tr><tr><th valign="top" class="ep_row">Collections:</th><td valign="top" class="ep_row">UNSPECIFIED</td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">2599</td></tr><tr><th valign="top" class="ep_row">Deposited By:</th><td valign="top" class="ep_row"><span class="ep_name_citation"><span class="person_name">Scholarly Publications Librarian</span></span></td></tr><tr><th valign="top" class="ep_row">Deposited On:</th><td valign="top" class="ep_row">30 Nov 2007 15:06</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">11 Feb 2008 11:28</td></tr><tr><th valign="top" class="ep_row">ePrint Statistics:</th><td valign="top" class="ep_row"><a target="ePrintStats" href="/es/index.php?action=show_detail_eprint;id=2599;">View statistics for this ePrint</a></td></tr></table><p align="right">Repository Staff Only: <a href="http://eprints.utas.edu.au/cgi/users/home?screen=EPrint::View&amp;eprintid=2599">item control page</a></p>
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