نتایج جستجو برای: stomatal conductance
تعداد نتایج: 41786 فیلتر نتایج به سال:
Manuscript submitted to Plant Physiology (Update) 1 2 Running Head: Leaf hydraulics and stomatal conductance 3 4 Corresponding author: 5 Fulton E. Rockwell 6 Harvard University 7 Department of Organismic and Evolutionary Biology 8 Cambridge, MA 02138. 9 Phone: (617) 496-0603 10 Email: [email protected] 11 12 Research Area: 13 Focus Issue on water: Update on stomata, Ecophysiology and Su...
The hypothesis that vines of the Semillon wine grape variety show anisohydric behaviour was tested, i.e. that tissue hydration is unstable under fluctuating environmental conditions. Stomatal conductance and transpiration rates from leaves were measured during the day and at night. Leaf water potential (Psi(l)) in Semillon was negatively correlated to vapour pressure deficit (VPD) both predawn ...
We invest igated the effects of ozone and leaf senescence on steady-state stomatal conductance and stomatal response to light variat ion. Measurements were carried out in a free -air ozone exposure experiment on a representat ive deciduous broadleaved tree species in Japan (Fagus crenata). Both steady-state and dynamic stomatal response to light variat ion varied intrinsically with season due t...
Uptake of CO(2) by the leaf is associated with loss of water. Control of stomatal aperture by volume changes of guard cell pairs optimizes the efficiency of water use. Under water stress, the protein kinase OPEN STOMATA 1 (OST1) activates the guard-cell anion release channel SLOW ANION CHANNEL-ASSOCIATED 1 (SLAC1), and thereby triggers stomatal closure. Plants with mutated OST1 and SLAC1 are de...
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