Assessment of watercore development in apples with MRI: Effect offruit location in the canopy

Melado Herreros, Angela and Muñoz-García, Miguel Angel and Blanco, Alvaro and Val, Jesús and Fernandez Valle, M. Encarnacion and Barreiro Elorza, Pilar (2013). Assessment of watercore development in apples with MRI: Effect offruit location in the canopy. "Postharvest Biology and Technology", v. 86 ; pp. 125-133. ISSN 0925-5214. https://doi.org/10.1016j.postharvbio.2013.06.030.

Description

Title: Assessment of watercore development in apples with MRI: Effect offruit location in the canopy
Author/s:
  • Melado Herreros, Angela
  • Muñoz-García, Miguel Angel
  • Blanco, Alvaro
  • Val, Jesús
  • Fernandez Valle, M. Encarnacion
  • Barreiro Elorza, Pilar
Item Type: Article
Título de Revista/Publicación: Postharvest Biology and Technology
Date: June 2013
Volume: 86
Subjects:
Freetext Keywords: LPF-TAFRALIA
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Ingeniería Rural [hasta 2014]
UPM's Research Group: LPF-TAGRALIA
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

tWatercore distribution inside apple fruit (block or radial), and its incidence (% of tissue) were relatedto the effect of solar radiation inside the canopy as measured by a set of low-cost irradiation sensors.221 samples were harvested in two seasons from the top and the bottom of the canopy and submittedto the non-invasive and non-destructive technique of magnetic resonance imaging (MRI) in order toobtain 20 inner tomography slices from each fruit and analyze the damaged areas using an interactive3D segmentation method. The number of fruit corresponding to each type of damage and the relevantpercentage were calculated and it was found that apples from the top of the tree were mainly of the radialtype (84%) and had more watercore (approx. 5% more) than apples from the bottom (65% radial). From theimage segmentation, the Euler number, a morphometric parameter, was extracted from the segmentedimages and related to the type of watercore symptoms. Apples with block watercore were grouped inEuler numbers between −400 and 400 with a small evolution. For apples with radial development, theEuler number was highly negative: up to −1439. Significant differences were also found regarding sugarcomposition, with higher fructose and total sugar contents in apples from the upper canopy, compared tothose in the lower canopy location. In the seasons studied (2011 and 2012), significantly higher sorbitoland lower sucrose and fructose contents were found in watercore-affected tissue compared to the healthytissue of affected apples and also compared to healthy apples.

More information

Item ID: 21409
DC Identifier: http://oa.upm.es/21409/
OAI Identifier: oai:oa.upm.es:21409
DOI: 10.1016j.postharvbio.2013.06.030
Deposited by: Profesor Titular de Universidad (interino) Miguel Angel /M.A. Muñoz-García
Deposited on: 22 Oct 2013 10:30
Last Modified: 21 Apr 2016 11:59
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