Ontologies
FLOPO
Flora Phenotype Ontology (FLOPO)
OWL
Last submission date September 6, 2019
ID http://purl.obolibrary.org/obo/PO_0007509
http://purl.obolibrary.org/obo/PO_0007509
https://agroportal.lirmm.fr/ontologies/FLOPO/PO_0007509
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Preferred name

root vascular cylinder differentiation stage

Definitions
The first identifiable region in the differentiating vascular cylinder is the pericycle. In the xylem the differentiation of the tracheary elements begins in a centrifugal direction but is completed in the centripetal direction. The first phloem elements mature before the first xylem elements. The stage at which the root vascular cylinder becomes evident.
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