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@ARTICLE{Grimm:837991,
author = {Grimm, Eckhard and Pflugfelder, Daniel and van Dusschoten,
Dagmar and Winkler, Andreas and Knoche, Moritz},
title = {{P}hysical rupture of the xylem in developing sweet cherry
fruit causes progressive decline in xylem sap inflow rate},
journal = {Planta},
volume = {246},
number = {4},
issn = {1432-2048},
address = {Berlin},
publisher = {Springer},
reportid = {FZJ-2017-06739},
pages = {659 - 672},
year = {2017},
abstract = {Xylem flow is progressively shut down during maturation
beginning with minor veins at the stylar end and progressing
to major veins and finally to bundles at the stem end.This
study investigates the functionality of the xylem vascular
system in developing sweet cherry fruit (Prunus avium L.).
The tracers acid fuchsin and gadoteric acid were fed to the
pedicel of detached fruit. The tracer distribution was
studied using light microscopy and magnetic resonance
imaging. The vasculature of the sweet cherry comprises five
major bundles. Three of these supply the flesh; two enter
the pit to supply the ovules. All vascular bundles branch
into major and minor veins that interconnect via numerous
anastomoses. The flow in the xylem as indexed by the tracer
distribution decreases continuously during development. The
decrease is first evident at the stylar (distal) end of the
fruit during pit hardening and progresses basipetally
towards the pedicel (proximal) end of the fruit at maturity.
That growth strains are the cause of the decreased
conductance is indicated by: elastic strain relaxation after
tissue excision, the presence of ruptured vessels in vivo,
the presence of intrafascicular cavities, and the absence of
tyloses.},
cin = {IBG-2},
ddc = {580},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582) / DPPN - Deutsches Pflanzen
Phänotypisierungsnetzwerk (BMBF-031A053A)},
pid = {G:(DE-HGF)POF3-582 / G:(DE-Juel1)BMBF-031A053A},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:28623562},
UT = {WOS:000411193600005},
doi = {10.1007/s00425-017-2719-3},
url = {https://juser.fz-juelich.de/record/837991},
}