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

Melado Herreros, Angela; Muñoz-García, Miguel Angel; Blanco, Alvaro; Val, Jesús; Fernandez Valle, M. Encarnacion y 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.

Descripción

Título: Assessment of watercore development in apples with MRI: Effect offruit location in the canopy
Autor/es:
  • Melado Herreros, Angela
  • Muñoz-García, Miguel Angel
  • Blanco, Alvaro
  • Val, Jesús
  • Fernandez Valle, M. Encarnacion
  • Barreiro Elorza, Pilar
Tipo de Documento: Artículo
Título de Revista/Publicación: Postharvest Biology and Technology
Fecha: Junio 2013
Volumen: 86
Materias:
Palabras Clave Informales: LPF-TAFRALIA
Escuela: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Departamento: Ingeniería Rural [hasta 2014]
Grupo Investigación UPM: LPF-TAGRALIA
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

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.

Más información

ID de Registro: 21409
Identificador DC: http://oa.upm.es/21409/
Identificador OAI: oai:oa.upm.es:21409
Identificador DOI: 10.1016j.postharvbio.2013.06.030
Depositado por: Profesor Titular de Universidad (interino) Miguel Angel /M.A. Muñoz-García
Depositado el: 22 Oct 2013 10:30
Ultima Modificación: 21 Abr 2016 11:59
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