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@ARTICLE{Coleman:1018981,
author = {Coleman, David and Windt, Carel W. and Buckley, Thomas N.
and Merchant, Andrew},
title = {{L}eaf relative water content at $50\%$ stomatal
conductance measured by noninvasive {NMR} is linked to
climate of origin in nine species of eucalypt},
journal = {Plant, cell $\&$ environment},
volume = {46},
number = {12},
issn = {0140-7791},
address = {Oxford [u.a.]},
publisher = {Wiley-Blackwell},
reportid = {FZJ-2023-05050},
pages = {3791 - 3805},
year = {2023},
abstract = {Stomata are the gatekeepers of plant water use and must
quickly respond to changes in plant water status to ensure
plant survival under fluctuating environmental conditions.
The mechanism for their closure is highly sensitive to
disturbances in leaf water status, which makes isolating
their response to declining water content difficult to
characterise and to compare responses among species. Using a
small-scale non-destructive nuclear magnetic resonance
spectrometer as a leaf water content sensor, we measure the
stomatal response to rapid induction of water deficit in the
leaves of nine species of eucalypt from contrasting
climates. We found a strong linear correlation between
relative water content at $50\%$ stomatal conductance
(RWCgs50) and mean annual temperature at the climate of
origin of each species. We also show evidence for stomata to
maintain control over water loss well below turgor loss
point in species adapted to warmer climates and secondary
increases in stomatal conductance despite declining water
content. We propose that RWCgs50 is a promising trait to
guide future investigations comparing stomatal responses to
water deficit. It may provide a useful phenotyping trait to
delineate tolerance and adaption to hot temperatures and
high leaf-to-air vapour pressure deficits.},
cin = {IBG-2},
ddc = {580},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {2171 - Biological and environmental resources for
sustainable use (POF4-217)},
pid = {G:(DE-HGF)POF4-2171},
typ = {PUB:(DE-HGF)16},
pubmed = {37641435},
UT = {WOS:001082780500001},
doi = {10.1111/pce.14700},
url = {https://juser.fz-juelich.de/record/1018981},
}