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@ARTICLE{Schmidt:134773,
author = {Schmidt, L. and Hummel, G. M. and Thiele, Björn and
Schurr, Ulrich and Thorpe, M. R.},
title = {{L}eaf wounding and simulated herbivory in young {N}.
attenuata plants reduces carbon allocation to root tips},
journal = {Planta},
volume = {241},
number = {4},
issn = {1432-2048},
address = {Berlin},
publisher = {Springer},
reportid = {FZJ-2013-02867},
pages = {917-928},
year = {2015},
abstract = {In Nicotiana attenuata seedlings, simulated herbivo ry by
the specialist Manduca sexta decreases root growth and
partitioning of recent photoassimilates to roots in contrast
to increased partitioning reported for older plants. Root
elongation rate in Nicotiana attenuata has been shown to
decrease after leaf herbivory, despite reports of an
increased proportion of recently mobilized photoassimilate
being delivered towards the root system in many species
after similar treatments. To study this apparent
contradiction, we measured the distribution of recent
photoassimilate within root tissues after wounding or
simulated herbivory of N. attenuata leaves. We found no
contradiction: herbivory reduced carbon delivery to root
tips. However, the speed of phloem transport in both shoot
and root, and the delivery of recently assimilated carbon to
the entire root system, declined after wounding or simulated
herbivory, in contrast with the often-reported increase in
root partitioning. We conclude that the herbivory response
in N. attenuata seedlings is to favor the shoot and not
bunker carbon in the root system.},
cin = {IBG-2},
ddc = {580},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582)},
pid = {G:(DE-HGF)POF3-582},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:25528149},
UT = {WOS:000351435000010},
doi = {10.1007/s00425-014-2230-z},
url = {https://juser.fz-juelich.de/record/134773},
}