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@ARTICLE{Zhou:1014745,
author = {Zhou, Xiaoran and Schnepf, Andrea and Vanderborght, Jan and
Leitner, Daniel and Vereecken, Harry and Lobet, Guillaume},
title = {{P}hloem anatomy restricts root system architecture
development: theoretical clues from in silico experiments},
journal = {In silico plants},
volume = {5},
number = {2},
issn = {2517-5025},
address = {[Oxford]},
publisher = {Oxford University Press},
reportid = {FZJ-2023-03434},
pages = {diad012},
year = {2023},
abstract = {Plant growth and development involve the integration of
numerous processes, influenced by both endogenous and
exogenous factors. At any given time during a plant’s life
cycle, the plant architecture is a readout of this
continuous integration. However, untangling the individual
factors and processes involved in the plant development and
quantifying their influence on the plant developmental
process is experimentally challenging. Here we used a
combination of computational plant models (CPlantBox and
PiafMunch) to help understand experimental findings about
how local phloem anatomical features influence the root
system architecture. Our hypothesis was that strong local
phloem resistance would restrict local carbon flow and
locally modify root growth patterns. To test this
hypothesis, we simulated the mutual interplay between the
root system architecture development and the carbohydrate
distribution to provide a plausible mechanistic explanation
for several experimental results. Our in silico experiments
highlighted the strong influence of local phloem hydraulics
on the root growth rates, growth duration and final length.
The model result showed that a higher phloem resistivity
leads to shorter roots due to the reduced flow of carbon
within the root system. This effect was due to local
properties of individual roots, and not linked to any of the
pleiotropic effects at the root system level. Our results
open a door to a better representation of growth processes
in a plant computational model.},
cin = {IBG-3},
ddc = {004},
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:001079181700001},
doi = {10.1093/insilicoplants/diad012},
url = {https://juser.fz-juelich.de/record/1014745},
}