Orange peel disorder in sweet cherry: Mechanism and triggers

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autoren

  • Henrik Jürgen Schlegel
  • Eckhard Grimm
  • Andreas Winkler
  • Moritz Knoche
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Details

OriginalspracheEnglisch
Seiten (von - bis)119-128
Seitenumfang10
FachzeitschriftPostharvest Biology and Technology
Jahrgang137
Frühes Online-Datum1 Dez. 2017
PublikationsstatusVeröffentlicht - März 2018

Abstract

Skin shrivelling of sweet cherry (Prunus avium L.), referred to here as ‘orange-peel’ disorder, compromises fruit appearance and thus market value. The objectives were to establish a protocol to describe and quantify orange peel disorder and to identify the mechanism and factors determining its incidence. Fruit was stored for 28 to 33 d at 2 °C and 76% RH and orange peel disorder was quantified as a topographical roughness using an interferometer or by rating the fruit for orange peel using a four-step scoring scheme. Fruit with orange peel disorder had a skin topography similar to that of a citrus fruit − just on a finer scale. Under the conditions of the test, orange peel was first visible after ∼7 d and continued to increase in severity thereafter. Orange peel was most severe on the shoulder and in the equatorial and distal regions of the fruit. There was no relationship between the distribution of orange peel and that of stomata or of microcracking. At a microscopic level, the depressions in the fruit surface were markedly larger than the periclinal areas of individual epidermal cells, but similar in size to the mesh formed by the network of minor veins visible just beneath the skin. Susceptibility to orange peel differed among cultivars. Least susceptible were ‘Dönissens Gelbe’ and, ‘Gil Peck’, intermediate were ‘Sam’, ‘Kordia’, ‘Merchant’, and the sour cherry ‘Ungarische Traubige’, and most susceptible were ‘Adriana’, ‘Regina’, and ‘Hedelfinger’. Incidence of orange peel during storage was negatively related to relative humidity (more at lower humidities) but also developed at 100% RH in the absence of transpiration. Submerging fruit in water for 2 d partly reversed orange peel. There was no significant difference in the permeance of the skins or in turgors of cells of the outer mesocarp between fruit without and with orange peel. There was a significant difference between the osmotic potential of the flesh (more negative) and that of the skin (less negative). During storage, the osmotic potentials of flesh and skin both decreased slightly, but the difference between them remained constant. The results show water loss from the skin is causal in orange peel disorder. The water loss from the skin occurs both by two routes: (1) transpiration to the atmosphere and also (2) by osmotic dehydration to the flesh.

ASJC Scopus Sachgebiete

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Orange peel disorder in sweet cherry: Mechanism and triggers. / Schlegel, Henrik Jürgen; Grimm, Eckhard; Winkler, Andreas et al.
in: Postharvest Biology and Technology, Jahrgang 137, 03.2018, S. 119-128.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Schlegel HJ, Grimm E, Winkler A, Knoche M. Orange peel disorder in sweet cherry: Mechanism and triggers. Postharvest Biology and Technology. 2018 Mär;137:119-128. Epub 2017 Dez 1. doi: 10.1016/j.postharvbio.2017.11.018
Schlegel, Henrik Jürgen ; Grimm, Eckhard ; Winkler, Andreas et al. / Orange peel disorder in sweet cherry : Mechanism and triggers. in: Postharvest Biology and Technology. 2018 ; Jahrgang 137. S. 119-128.
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title = "Orange peel disorder in sweet cherry: Mechanism and triggers",
abstract = "Skin shrivelling of sweet cherry (Prunus avium L.), referred to here as {\textquoteleft}orange-peel{\textquoteright} disorder, compromises fruit appearance and thus market value. The objectives were to establish a protocol to describe and quantify orange peel disorder and to identify the mechanism and factors determining its incidence. Fruit was stored for 28 to 33 d at 2 °C and 76% RH and orange peel disorder was quantified as a topographical roughness using an interferometer or by rating the fruit for orange peel using a four-step scoring scheme. Fruit with orange peel disorder had a skin topography similar to that of a citrus fruit − just on a finer scale. Under the conditions of the test, orange peel was first visible after ∼7 d and continued to increase in severity thereafter. Orange peel was most severe on the shoulder and in the equatorial and distal regions of the fruit. There was no relationship between the distribution of orange peel and that of stomata or of microcracking. At a microscopic level, the depressions in the fruit surface were markedly larger than the periclinal areas of individual epidermal cells, but similar in size to the mesh formed by the network of minor veins visible just beneath the skin. Susceptibility to orange peel differed among cultivars. Least susceptible were {\textquoteleft}D{\"o}nissens Gelbe{\textquoteright} and, {\textquoteleft}Gil Peck{\textquoteright}, intermediate were {\textquoteleft}Sam{\textquoteright}, {\textquoteleft}Kordia{\textquoteright}, {\textquoteleft}Merchant{\textquoteright}, and the sour cherry {\textquoteleft}Ungarische Traubige{\textquoteright}, and most susceptible were {\textquoteleft}Adriana{\textquoteright}, {\textquoteleft}Regina{\textquoteright}, and {\textquoteleft}Hedelfinger{\textquoteright}. Incidence of orange peel during storage was negatively related to relative humidity (more at lower humidities) but also developed at 100% RH in the absence of transpiration. Submerging fruit in water for 2 d partly reversed orange peel. There was no significant difference in the permeance of the skins or in turgors of cells of the outer mesocarp between fruit without and with orange peel. There was a significant difference between the osmotic potential of the flesh (more negative) and that of the skin (less negative). During storage, the osmotic potentials of flesh and skin both decreased slightly, but the difference between them remained constant. The results show water loss from the skin is causal in orange peel disorder. The water loss from the skin occurs both by two routes: (1) transpiration to the atmosphere and also (2) by osmotic dehydration to the flesh.",
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language = "English",
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TY - JOUR

T1 - Orange peel disorder in sweet cherry

T2 - Mechanism and triggers

AU - Schlegel, Henrik Jürgen

AU - Grimm, Eckhard

AU - Winkler, Andreas

AU - Knoche, Moritz

N1 - © 2017 Elsevier B.V. All rights reserved.

PY - 2018/3

Y1 - 2018/3

N2 - Skin shrivelling of sweet cherry (Prunus avium L.), referred to here as ‘orange-peel’ disorder, compromises fruit appearance and thus market value. The objectives were to establish a protocol to describe and quantify orange peel disorder and to identify the mechanism and factors determining its incidence. Fruit was stored for 28 to 33 d at 2 °C and 76% RH and orange peel disorder was quantified as a topographical roughness using an interferometer or by rating the fruit for orange peel using a four-step scoring scheme. Fruit with orange peel disorder had a skin topography similar to that of a citrus fruit − just on a finer scale. Under the conditions of the test, orange peel was first visible after ∼7 d and continued to increase in severity thereafter. Orange peel was most severe on the shoulder and in the equatorial and distal regions of the fruit. There was no relationship between the distribution of orange peel and that of stomata or of microcracking. At a microscopic level, the depressions in the fruit surface were markedly larger than the periclinal areas of individual epidermal cells, but similar in size to the mesh formed by the network of minor veins visible just beneath the skin. Susceptibility to orange peel differed among cultivars. Least susceptible were ‘Dönissens Gelbe’ and, ‘Gil Peck’, intermediate were ‘Sam’, ‘Kordia’, ‘Merchant’, and the sour cherry ‘Ungarische Traubige’, and most susceptible were ‘Adriana’, ‘Regina’, and ‘Hedelfinger’. Incidence of orange peel during storage was negatively related to relative humidity (more at lower humidities) but also developed at 100% RH in the absence of transpiration. Submerging fruit in water for 2 d partly reversed orange peel. There was no significant difference in the permeance of the skins or in turgors of cells of the outer mesocarp between fruit without and with orange peel. There was a significant difference between the osmotic potential of the flesh (more negative) and that of the skin (less negative). During storage, the osmotic potentials of flesh and skin both decreased slightly, but the difference between them remained constant. The results show water loss from the skin is causal in orange peel disorder. The water loss from the skin occurs both by two routes: (1) transpiration to the atmosphere and also (2) by osmotic dehydration to the flesh.

AB - Skin shrivelling of sweet cherry (Prunus avium L.), referred to here as ‘orange-peel’ disorder, compromises fruit appearance and thus market value. The objectives were to establish a protocol to describe and quantify orange peel disorder and to identify the mechanism and factors determining its incidence. Fruit was stored for 28 to 33 d at 2 °C and 76% RH and orange peel disorder was quantified as a topographical roughness using an interferometer or by rating the fruit for orange peel using a four-step scoring scheme. Fruit with orange peel disorder had a skin topography similar to that of a citrus fruit − just on a finer scale. Under the conditions of the test, orange peel was first visible after ∼7 d and continued to increase in severity thereafter. Orange peel was most severe on the shoulder and in the equatorial and distal regions of the fruit. There was no relationship between the distribution of orange peel and that of stomata or of microcracking. At a microscopic level, the depressions in the fruit surface were markedly larger than the periclinal areas of individual epidermal cells, but similar in size to the mesh formed by the network of minor veins visible just beneath the skin. Susceptibility to orange peel differed among cultivars. Least susceptible were ‘Dönissens Gelbe’ and, ‘Gil Peck’, intermediate were ‘Sam’, ‘Kordia’, ‘Merchant’, and the sour cherry ‘Ungarische Traubige’, and most susceptible were ‘Adriana’, ‘Regina’, and ‘Hedelfinger’. Incidence of orange peel during storage was negatively related to relative humidity (more at lower humidities) but also developed at 100% RH in the absence of transpiration. Submerging fruit in water for 2 d partly reversed orange peel. There was no significant difference in the permeance of the skins or in turgors of cells of the outer mesocarp between fruit without and with orange peel. There was a significant difference between the osmotic potential of the flesh (more negative) and that of the skin (less negative). During storage, the osmotic potentials of flesh and skin both decreased slightly, but the difference between them remained constant. The results show water loss from the skin is causal in orange peel disorder. The water loss from the skin occurs both by two routes: (1) transpiration to the atmosphere and also (2) by osmotic dehydration to the flesh.

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KW - Cuticle

KW - Permeance

KW - Shrivel

KW - Stomata

KW - Storage

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KW - Turgor

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JO - Postharvest Biology and Technology

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