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@ARTICLE{Pflugfelder:905018,
author = {Pflugfelder, D. and Kochs, J. and Koller, R. and Jahnke, S.
and Mohl, C. and Pariyar, S. and Fassbender, H. and Nagel,
K. A. and Watt, M. and van Dusschoten, D.},
title = {{T}he root system architecture of wheat establishing in
soil is associated with varying elongation rates of seminal
roots: quantification using 4{D} magnetic resonance imaging},
journal = {The journal of experimental botany},
volume = {73},
number = {7},
issn = {0022-0957},
address = {Oxford},
publisher = {Oxford Univ. Press},
reportid = {FZJ-2022-00329},
pages = {2050–2060},
year = {2022},
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abstract = {Seedling establishment is the first stage of crop
productivity, and root phenotypes at seed emergence are
critical to a successful start of shoot growth as well as
for water and nutrient uptake. In this study, we investigate
seedling establishment in winter wheat utilizing a newly
developed workflow based on magnetic resonance imaging
(MRI). Using the eight parents of the MAGIC (multi-parent
advanced generation inter-cross) population we analysed the
4D root architecture of 288 individual seedlings grown in
natural soils with plant neighbors over 3 d of development.
Time of root and shoot emergence, total length, angle, and
depth of the axile roots varied significantly among these
genotypes. The temporal data resolved rates of elongation of
primary roots and first and second seminal root pairs.
Genotypes with slowly elongating primary roots had rapidly
elongating first and second seminal root pairs and vice
versa, resulting in variation in root system architecture
mediated not only by root angle but also by initiation and
relative elongation of axile roots. We demonstrated that our
novel MRI workflow with a unique planting design and
automated measurements allowed medium throughput phenotyping
of wheat roots in 4D and could give new insights into
regulation of root system architecture.},
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 = {pmid:34918078},
UT = {WOS:000763808000001},
doi = {10.1093/jxb/erab551},
url = {https://juser.fz-juelich.de/record/905018},
}