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@ARTICLE{Zhao:827626,
author = {Zhao, Jiangsan and Bodner, Gernot and Rewald, Boris and
Leitner, Daniel and Nagel, Kerstin and Nakhforoosh, Alireza},
title = {{R}oot architecture simulation improves the inference from
seedling root phenotyping towards mature root systems},
journal = {The journal of experimental botany},
volume = {68},
number = {5},
issn = {1460-2431},
address = {Oxford},
publisher = {Oxford Univ. Press},
reportid = {FZJ-2017-01740},
pages = {965-982},
year = {2017},
abstract = {Root phenotyping provides trait information for plant
breeding. A shortcoming of high-throughput root phenotyping
is the limitation to seedling plants and failure to make
inferences on mature root systems. We suggest root system
architecture (RSA) models to predict mature root traits and
overcome the inference problem. Sixteen pea genotypes were
phenotyped in (i) seedling (Petri dishes) and (ii) mature
(sand-filled columns) root phenotyping platforms. The RSA
model RootBox was parameterized with seedling traits to
simulate the fully developed root systems. Measured and
modelled root length, first-order lateral number, and root
distribution were compared to determine key traits for
model-based prediction. No direct relationship in root
traits (tap, lateral length, interbranch distance) was
evident between phenotyping systems. RootBox significantly
improved the inference over phenotyping platforms. Seedling
plant tap and lateral root elongation rates and interbranch
distance were sufficient model parameters to predict
genotype ranking in total root length with an RSpearman of
0.83. Parameterization including uneven lateral spacing via
a scaling function substantially improved the prediction of
architectures underlying the differently sized root systems.
We conclude that RSA models can solve the inference problem
of seedling root phenotyping. RSA models should be included
in the phenotyping pipeline to provide reliable information
on mature root systems to breeding research.},
cin = {IBG-2},
ddc = {580},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582) / EPPN - European Plant
Phenotyping Network (284443)},
pid = {G:(DE-HGF)POF3-582 / G:(EU-Grant)284443},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000397161300008},
pubmed = {pmid:28168270},
doi = {10.1093/jxb/erw494},
url = {https://juser.fz-juelich.de/record/827626},
}