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  5.     <title>UTas ePrints - Stomatal Closure during Leaf Dehydration, Correlation with Other Leaf Physiological Traits</title>
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  13.     <meta content="Brodribb, Tim J." name="eprints.creators_name" />
  14. <meta content="Holbrook, N. M." name="eprints.creators_name" />
  15. <meta content="Timothy.Brodribb@utas.edu.au" name="eprints.creators_id" />
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  21. <meta content="Stomatal Closure during Leaf Dehydration,
  22. Correlation with Other Leaf Physiological Traits" name="eprints.title" />
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  27. <meta content="The question as to what triggers stomatal closure during leaf desiccation remains controversial. This paper examines
  28. characteristics of the vascular and photosynthetic functions of the leaf to determine which responds most similarly to
  29. stomata during desiccation. Leaf hydraulic conductance (Kleaf) was measured from the relaxation kinetics of leaf water
  30. potential (l), and a novel application of this technique allowed the response of Kleaf to l to be determined. These
  31. “vulnerability curves” show that Kleaf is highly sensitive to l and that the response of stomatal conductance to l is closely
  32. correlated with the response of Kleaf to l. The turgor loss point of leaves was also correlated with Kleaf and stomatal closure,
  33. whereas the decline in PSII quantum yield during leaf drying occurred at a lower l than stomatal closure. These results
  34. indicate that stomatal closure is primarily coordinated with Kleaf. However, the close proximity of l at initial stomatal
  35. closure and initial loss of Kleaf suggest that partial loss of Kleaf might occur regularly, presumably necessitating repair of
  36. embolisms." name="eprints.abstract" />
  37. <meta content="2003" name="eprints.date" />
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  39. <meta content="Plant Physiology" name="eprints.publication" />
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  43. <meta content="10.1104/pp.103.023879" name="eprints.id_number" />
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  46. <meta content="http://dx.doi.org/10.1104/pp.103.023879" name="eprints.official_url" />
  47. <meta content="Becker P, Tyree MJ, TsudaM(1999) Hydraulic conductance of angiosperms
  48. versus conifer species: similar transport sufficiency at the whole-plant
  49. level. Tree Phys 19: 445–452
  50. Brodribb TJ, Holbrook NM (2003) Changes in leaf hydraulic conductance
  51. during leaf shedding in seasonally dry tropical forest. New Phytol 158:
  52. 295–303
  53. Brodribb TJ, Holbrook NM, Edwards EJ, Gutie´rrez MV (2003) Relations
  54. between stomatal closure, leaf turgor and xylem vulnerability in eight
  55. tropical dry forest trees. Plant Cell Environ 26: 443–450
  56. Brodribb TJ, Holbrook NM, Gutie´rrez MV (2002) Hydraulic and photosynthetic
  57. co-ordination in seasonally dry tropical forest trees. Plant Cell
  58. Environ 25: 1435–1444
  59. Buckley TN, Mott KA (2002) Dynamics of stomatal water relations during
  60. the humidity response: implications of two hypothetical mechanisms.
  61. Plant Cell Environ 25: 407–419
  62. Cochard H, Coll L, Le Roux X, Ameglio T (2002) Unraveling the effects of
  63. plant hydraulics on stomatal closure during water stress in walnut. Plant
  64. Physiol 128: 282–290
  65. Cruiziat P, Tyree MT, Bodet C, Logullo MA (1980) Kinetics of rehydration
  66. of detached sunflower leaves following substantial water-loss. New Phytol
  67. 84: 293–306
  68. Edwards D, Kerp H, Hass H (1998) Stomata in early land plants: an
  69. anatomical and ecophysiological approach. J Exp Bot 49: 255–278
  70. Franks PJ, Cowan IR, Tyerman SD, Cleary AI, Lloyd J, Farquhar GD (1995)
  71. Guard-cell pressure aperture characteristics measured with the pressure
  72. probe. Plant Cell Environ 18: 795–800
  73. Hacke UG, Stiller V, Sperry JS, Pittermann J, McCulloh KA (2001) Cavitation
  74. fatigue: Embolism and refilling cycles can weaken the cavitation
  75. resistance of xylem. Plant Physiol 125: 779–786
  76. Holbrook NM, Zwieniecki MA (1999) Xylem refilling under tension: Do we
  77. need a miracle? Plant Physiol 120: 7–10
  78. Hubbard RM, Ryan MG, Stiller V, Sperry JS (2001) Stomatal conductance
  79. and photosynthesis vary linearly with plant hydraulic conductance in
  80. ponderosa pine. Plant Cell Environ 24: 113–121
  81. Koide RT, Robichaux RH, Morse SR, Smith CM (1991) Plant water status,
  82. hydraulic resistance and capacitance. In RW Pearcy, J Ehleringer, HA
  83. Mooney, PW Rundel, eds, Plant Physiological Ecology. Chapman and
  84. Hall, New York, pp 161–183
  85. Lawlor DW, Cornic G (2002) Photosynthetic carbon assimilation and associated
  86. metabolism in relation to water deficits in higher plants. Plant Cell
  87. Environ 25: 275–294
  88. Nardini A (2001) Are sclerophylls and malacophylls hydraulically different?
  89. Biol Plant 44: 239–245
  90. Nardini A, Tyree MT, Salleo S (2001) Xylem cavitation in the leaf of Prunus
  91. laurocerasus L. and its impact on leaf hydraulics. Plant Physiol 125:
  92. 1700–1709
  93. Nobel PS, Jordan PW (1983) Transpiration stream of desert species. Resistances
  94. and capacitances for a C-3, a C-4 and a cam plant. J Exp Bot 34:
  95. 1379–1391
  96. Raven JA (2002) Selection pressures on stomatal evolution. New Phytol 153:
  97. 371–386
  98. Sack L, Melcher PJ, Zwieniecki MA, Holbrook NM (2002) The hydraulic
  99. conductance of the angiosperm leaf lamina: a comparison of three measurement
  100. methods. J Exp Bot 53: 2177–2184
  101. Salleo S, Lo Gullo MA, Raimondo F, Nardini A (2001) Vulnerability to
  102. cavitation of leaf minor veins: any impact on leaf gas exchange? Plant
  103. Cell Environ 24: 851–859
  104. Salleo S, Nardini A, Pitt F, Lo Gullo MA (2000) Xylem cavitation and
  105. hydraulic control of stomatal conductance in laurel (Laurus nobilis L.).
  106. Plant Cell Environ 23: 71–79
  107. Sperry JS, Hacke UG, Oren R, Comstock JP (2002) Water deficits and
  108. hydraulic limits to leaf water supply. Plant Cell Environ 25: 251–263
  109. Sperry JS, Tyree MT (1988) Mechanism of water stress-induced xylem
  110. embolism. Plant Physiol 88: 581–587
  111. Tardieu F, Davies WJ (1993) Integration of hydraulic and chemical signalling
  112. in the control of stomatal conductance and water status of droughted
  113. plants. Plant Cell Environ 16: 341–349
  114. Tyree MT, Cruiziat P, Benis M, Lo Gullo MA, Salleo S (1981) The kinetics
  115. of rehydration of detached sunflower leaves from different initial water
  116. deficits. Plant Cell Environ 4: 309–317
  117. Tyree MT, Hammel HT (1972) The measurement of the turgor pressure and
  118. the water relations of plants by the pressure-bomb technique. J Exp Bot
  119. 23: 267–282
  120. Tyree MT, Patin˜ o S, Bennink J, Alexander J (1995) Dynamic measurements
  121. of root hydraulic conductance using a high-pressure flowmeter in the
  122. laboratory and field. J Exp Bot 46: 83–94
  123. Tyree MT, Sperry JS (1988) Do woody plants operate near the point of
  124. catastrophic xylem dysfunction caused by dynamic water stress? Plant
  125. Physiol 88: 574–580
  126. Zwieniecki MA, Melcher PJ, Boyce CK, Sack L, Holbrook NM (2002)
  127. Hydraulic architecture of leaf venation in Laurus nobilis L. Plant Cell
  128. Environ 25: 1445–1450
  129. Stomatal Closure and Correlated Physiological Traits
  130. Plant Physiol. Vol. 132, 2003 2173" name="eprints.referencetext" />
  131. <meta content="Brodribb, Tim J. and Holbrook, N. M. (2003) Stomatal Closure during Leaf Dehydration, Correlation with Other Leaf Physiological Traits. Plant Physiology, 132 (4). pp. 2166-2173. ISSN 0032-0889" name="eprints.citation" />
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  139. <meta content="270400 Botany" name="DC.subject" />
  140. <meta content="The question as to what triggers stomatal closure during leaf desiccation remains controversial. This paper examines
  141. characteristics of the vascular and photosynthetic functions of the leaf to determine which responds most similarly to
  142. stomata during desiccation. Leaf hydraulic conductance (Kleaf) was measured from the relaxation kinetics of leaf water
  143. potential (l), and a novel application of this technique allowed the response of Kleaf to l to be determined. These
  144. “vulnerability curves” show that Kleaf is highly sensitive to l and that the response of stomatal conductance to l is closely
  145. correlated with the response of Kleaf to l. The turgor loss point of leaves was also correlated with Kleaf and stomatal closure,
  146. whereas the decline in PSII quantum yield during leaf drying occurred at a lower l than stomatal closure. These results
  147. indicate that stomatal closure is primarily coordinated with Kleaf. However, the close proximity of l at initial stomatal
  148. closure and initial loss of Kleaf suggest that partial loss of Kleaf might occur regularly, presumably necessitating repair of
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  263.     <h1 class="ep_tm_pagetitle">Stomatal Closure during Leaf Dehydration, Correlation with Other Leaf Physiological Traits</h1>
  264.     <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> (2003) <xhtml:em>Stomatal Closure during Leaf Dehydration, Correlation with Other Leaf Physiological Traits.</xhtml:em> Plant Physiology, 132 (4). pp. 2166-2173. ISSN 0032-0889</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/2600/1/stom__closure__PP.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/2600/1/stom__closure__PP.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />546Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input value="3408" 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/10.1104/pp.103.023879">http://dx.doi.org/10.1104/pp.103.023879</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">The question as to what triggers stomatal closure during leaf desiccation remains controversial. This paper examines&#13;
  265. characteristics of the vascular and photosynthetic functions of the leaf to determine which responds most similarly to&#13;
  266. stomata during desiccation. Leaf hydraulic conductance (Kleaf) was measured from the relaxation kinetics of leaf water&#13;
  267. potential (l), and a novel application of this technique allowed the response of Kleaf to l to be determined. These&#13;
  268. “vulnerability curves” show that Kleaf is highly sensitive to l and that the response of stomatal conductance to l is closely&#13;
  269. correlated with the response of Kleaf to l. The turgor loss point of leaves was also correlated with Kleaf and stomatal closure,&#13;
  270. whereas the decline in PSII quantum yield during leaf drying occurred at a lower l than stomatal closure. These results&#13;
  271. indicate that stomatal closure is primarily coordinated with Kleaf. However, the close proximity of l at initial stomatal&#13;
  272. closure and initial loss of Kleaf suggest that partial loss of Kleaf might occur regularly, presumably necessitating repair of&#13;
  273. embolisms.</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">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">2600</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 15:34</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">11 Feb 2008 11:25</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=2600;">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=2600">item control page</a></p>
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