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@ARTICLE{Pariyar:903020,
author = {Pariyar, Shree R. and Nagel, Kerstin A. and Lentz, Jonas
and Galinski, Anna and Wilhelm, Jens and Putz, Alexander and
Adels, Sascha and Heinz, Kathrin and Frohberg, Claus and
Watt, Michelle},
title = {{V}ariation in {R}oot {S}ystem {A}rchitecture among the
{F}ounder {P}arents of {T}wo 8-way {MAGIC} {W}heat
{P}opulations for {S}election in {B}reeding},
journal = {Agronomy},
volume = {11},
number = {12},
issn = {2073-4395},
address = {Basel},
publisher = {MDPI},
reportid = {FZJ-2021-04749},
pages = {2452 -},
year = {2021},
abstract = {Root system architecture (RSA) is a target for breeding
crops with effective nutrient and water use. Breeding can
use populations designed to map quantitative trait loci
(QTL). Here we non-invasively phenotype roots and leaves of
the 16 foundation parents of two multi-parent advanced
generation inter-cross (MAGIC) populations, covering
diversity in spring (CSIRO MAGIC) and winter (NIAB MAGIC)
wheats. RSA components varied after 16 days in the upgraded,
paper-based imaging platform, GrowScreen-PaGe: lateral root
length 2.2 fold; total root length, 1.9 fold; and seminal
root angle 1.2 fold. RSA components total and lateral root
length had the highest root heritabilities (H2) (H2 = 0.4
for CSIRO and NIAB parents) and good repeatability (r = 0.7)
in the GrowScreen-PaGe. These can be combined with leaf
length (H2 = 0.8 CSIRO; 0.7 NIAB) and number (H2 = 0.6
CSIRO; 0.7 NIAB) to identify root and shoot QTL to breed for
wheats with vigorous RSA and shoot growth at establishment,
a critical phase for crop productivity. Time resolved
phenotyping of MAGIC wheats also revealed parents to cross
in future for growth rate traits (fastest: Robigus–NIAB
and AC Barrie–CSIRO; slowest Rialto–NIAB and G204
Xiaoyan54–CSIRO) and root: shoot allocation traits (fast
growers grew roots, notably laterals, quicker than leaves,
compared to slow growers).},
cin = {IBG-2},
ddc = {640},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {2171 - Biological and environmental resources for
sustainable use (POF4-217) /
Pflanzenzüchtungsforschung-Verbundvorhaben: 'Verbesserung
quantitativer Merkmale durch Erschließung genomischer und
funktionaler Diversität aus Mais Landrassen (MAZE) -
Teilprojekt G' (031B0195G)},
pid = {G:(DE-HGF)POF4-2171 / G:(BMBF)031B0195G},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000743293700001},
doi = {10.3390/agronomy11122452},
url = {https://juser.fz-juelich.de/record/903020},
}