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@ARTICLE{LeGall:904473,
author = {Le Gall, S. and Bérard, A. and Page, D. and Lanoe, L. and
Bertin, N. and Doussan, C.},
title = {{I}ncreased exopolysaccharide production and microbial
activity affect soil water retention and field performance
of tomato under water deficit},
journal = {Rhizosphere},
volume = {19},
issn = {2452-2198},
address = {Amsterdam},
publisher = {Elsevier},
reportid = {FZJ-2021-06043},
pages = {100408 -},
year = {2021},
note = {Ein Postprint steht leider nicht zur Verfügung},
abstract = {According to the literature, biological processes in the
rhizosphere could play a role in the adaptation of plants to
droughts under a changing climate. A previous study has
identified significantly different productivity level and
fruit quality for two tomato varieties under water deficit
conditions. We conducted a field study, with and without
water deficit, with these two varieties to examine whether
microbiological activity and exopolysaccharides
concentration could affect soil hydrophysical properties.
The rhizosphere soil had indeed distinct bio-chemical and
hydrophysical properties between the two cultivars and
between the two water-related conditions. The quantity of
soil exopolysaccharide and/or nitrogenous substances, and
the activity of microorganisms (fungi in particular)
explains part of the soil water retention measurements. In
addition, these mechanisms are significantly accentuated for
the cultivar with the best productive capability under
water-limited condition—i.e. with commercial yield, fruit
dry matter and water use efficiency which are respectively
$35\%,$ $28\%,$ and $31\%$ higher for the productive
cultivar.},
cin = {IBG-3},
ddc = {580},
cid = {I:(DE-Juel1)IBG-3-20101118},
pnm = {2173 - Agro-biogeosystems: controls, feedbacks and impact
(POF4-217)},
pid = {G:(DE-HGF)POF4-2173},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000701883700001},
doi = {10.1016/j.rhisph.2021.100408},
url = {https://juser.fz-juelich.de/record/904473},
}