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. 2017 Feb 8;8:126. doi: 10.3389/fpls.2017.00126

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Copyright © 2017 Merelo, Agustí, Arbona, Costa, Estornell, Gómez-Cadenas, Coimbra, Gómez, Pérez-Amador, Domingo, Talón and Tadeo.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Cellular morphology of the AZ-C. (A–E) Scanning electron micrographs of longitudinal sections (A,B,D) and the proximal (C; calyx button side) and distal (E; fruit rind side) fracture planes of the AZ-C from Washington Navel fruits after 48 h (A,B) and 96 h (C–E) of ethylene treatment. High magnification pictures show cells of separation layers. AZ-C, abscission zone C; , separation line inside the AZ-C; CB, calyx button; FD, floral disc; FR, fruit rind; SP, sepal; VB, vascular bundles. Scale bars: 1 mm (A–E), 500 μm (A–C), 200 μm (E), 100 μm (C).

Inline graphic — Cellular morphology of the AZ-C. (A–E) Scanning electron micrographs of longitudinal sections (A,B,D) and the proximal (C; calyx button side) and distal (E; fruit rind side) fracture planes of the AZ-C from Washington Navel fruits after 48 h (A,B) and 96 h (C–E) of ethylene treatment. High magnification pictures show cells of separation layers. AZ-C, abscission zone C; , separation line inside the AZ-C; CB, calyx button; FD, floral disc; FR, fruit rind; SP, sepal; VB, vascular bundles. Scale bars: 1 mm (A–E), 500 μm (A–C), 200 μm (E), 100 μm (C).