scholarly journals Storage Temperature and 1-Methylcyclopropene Treatment Affect Storage Disorders and Physiological Attributes of ‘Royal Gala’ Apples

HortScience ◽  
2016 ◽  
Vol 51 (1) ◽  
pp. 84-93 ◽  
Author(s):  
Jinwook Lee ◽  
James P. Mattheis ◽  
David R. Rudell
Keyword(s):  
Fruit Quality ◽  
Cold Storage ◽  
Malus Domestica ◽  
Storage Temperature ◽  
Quality Attributes ◽  
Ethylene Concentration ◽  
Physiological Disorders ◽  
Flesh Browning ◽  
Treatment Concentration ◽  
Storage Disorders

‘Royal Gala’ apples [Malus domestica (Borkh.) Mansf.]can develop postharvest disorders such as flesh browning, senescent breakdown, peeling, cracking, or shriveling during and after cold storage. The objective of this study was to examine the effects of storage temperature and a range (0, 0.25, 0.5, or 1 µL·L−1) of 1-methylcyclopropene (1-MCP) concentrations on fruit quality attributes and incidence and severity of physiological disorders during and after cold storage. Storage temperature differentially affected internal ethylene concentration (IEC), fruit circumference, and cortex color. 1-MCP treatment resulted in significant effects on fruit quality attributes and severity of physiological disorders, regardless of storage temperature. Incidence and severity of diffuse flesh breakdown (DFB), shriveling, cracking, and peeling were highest in control fruit stored but radial stem-end flesh breakdown (RSFB) only primarily in 1-MCP-treated fruit. Incidence of RSFB was highest following storage at 0.5 °C compared with 3 °C. 1-MCP treatment had the most influence on disorder incidence/severity or quality attributes, while treatment concentration of 1-MCP was not significant. Overall, the results indicate that 1-MCP treatment can reduce the incidence of ‘Royal Gala’ DFB but may enhance sensitivity to RSFB, when fruit are stored at 0.5 or 3 °C. Incidence of DFB and RSFB are influenced differentially by storage temperature or by 1-MCP treatment, respectively, indicating they may be different disorders.

scholarly journals Effects of Preharvest and Postharvest Applications of 1-Methylcyclopropene on Fruit Quality and Physiological Disorders of ‘Fuji’ Apples during Storage at Warm and Cold Temperatures

HortScience ◽  
2019 ◽  
Vol 54 (8) ◽  
pp. 1375-1383 ◽  
Author(s):  
Jinwook Lee ◽  
In-Kyu Kang ◽  
Jacqueline F. Nock ◽  
Christopher B. Watkins
Keyword(s):  
Fruit Quality ◽  
Titratable Acidity ◽  
Soluble Solids ◽  
Ethylene Concentration ◽  
Cold Temperatures ◽  
Physiological Disorders ◽  
Solids Concentration ◽  
Flesh Browning ◽  
Soluble Solids Concentration

The effects of preharvest and postharvest treatments of 1-methylcyclopropene (1-MCP) in combination or alone on fruit quality and the incidence of physiological disorders during storage of ‘Fuji’ apples [Malus sylvestris (L.) Mill var. domestica (Borkh.) Mansf.] at 20 and 0.5 °C were investigated. Preharvest 1-MCP (Harvista) treatments were applied 4 or 10 days before harvest (DBH), and then fruit were either untreated or treated with 1-MCP (SmartFresh) postharvest. Fruit were stored at 20 °C for up to 4 weeks or at 0.5 °C for up to 36 weeks. At harvest, starch pattern indices and watercore incidence and severity were lower in fruit with preharvest 1-MCP treatment applied 10 DBH than in untreated fruit and in fruit treated 4 DBH. At 20 °C, the combination of preharvest and postharvest 1-MCP treatments reduced the internal ethylene concentration (IEC) more than preharvest 1-MCP treatment alone, but not to a greater extent than postharvest 1-MCP treatment alone. Greasiness and watercore were reduced more by the combination of preharvest and postharvest 1-MCP treatments than by either treatment alone. However, preharvest and postharvest 1-MCP treatments, in combination or alone, did not consistently affect flesh firmness, titratable acidity (TA), soluble solids concentration, color a* values, or incidences of flesh browning, core browning, and stem-end flesh browning. At 0.5 °C, the combination of preharvest and postharvest 1-MCP treatments inhibited IECs and maintained firmness and TA more than no treatment or preharvest 1-MCP treatment alone. However, there was a lesser extent of differences than there was with postharvest 1-MCP treatment alone. Incidences of physiological disorders were not consistently affected by the preharvest and postharvest 1-MCP treatments. Overall, the results suggested that the preharvest 1-MCP treatment positively affected fruit quality attributes compared with no treatment during shelf life and long-term cold storage, but not as effectively as a combination of preharvest and postharvest 1-MCP treatments.

scholarly journals High Storage Humidity Affects Fruit Quality Attributes and Incidence of Fruit Cracking in Cold-stored ‘Royal Gala’ Apples

HortScience ◽  
2019 ◽  
Vol 54 (1) ◽  
pp. 149-154 ◽  
Author(s):  
Jinwook Lee ◽  
James P. Mattheis ◽  
David R. Rudell
Keyword(s):  
Weight Loss ◽  
Shelf Life ◽  
Fruit Quality ◽  
Cold Storage ◽  
Quality Attributes ◽  
Polyethylene Liner ◽  
Fresh Weight ◽  
Physiological Disorders ◽  
Fruit Cracking ◽  
High Storage

‘Royal Gala’ apples can be susceptible to the incidence of fruit cracking and senescent flesh breakdown during cold storage. Because the development of these physiological disorders in other cultivars can be influenced by humidity during storage, the objective of this study was to evaluate the effect of high storage humidity on fruit quality attributes and incidence of physiological disorders in cold-stored ‘Royal Gala’ apples. Fruit obtained from a commercial orchard were kept in cardboard boxes with or without a perforated polyethylene liner during and after cold storage. High storage humidity induced by the perforated polyethylene liner reduced fresh weight loss but enhanced the change of fruit circumference after cold storage. High storage humidity contributed the most reduction of cortex lightness (L*) and hue angle (ho) in stem-end cortex tissues during shelf life. Fruit stored with liners had reduced internal ethylene concentration (IEC) and outer cortex firmness after removal from storage compared with control fruit. Furthermore, high storage humidity prevented shriveling but provoked fruit cracking. The incidence and severity of flesh breakdown were further aggravated during shelf life, compared with cold storage, regardless of a liner application. Overall, maintaining high storage humidity by applying a perforated polyethylene liner can contribute to delaying fresh weight loss, reducing IEC, and preventing fruit shriveling but can enhance cortex tissue browning, loss of flesh firmness, and incidence of fruit cracking during cold storage and shelf life.

scholarly journals Effects of cold storage temperature treatments on fruit quality attributes in 'Hongro' apples

2018 ◽  
Vol 25 (7) ◽  
pp. 779-785
Author(s):  
Jingi Yoo ◽  
Seung-Yeol Lee ◽  
Nay Myo Win ◽  
Soon-Il Kwon ◽  
Hee-Young Jung ◽  
...  
Keyword(s):  
Fruit Quality ◽  
Cold Storage ◽  
Storage Temperature ◽  
Quality Attributes

Timing of postharvest 1-methylcyclopropene treatment affects Bartlett pear quality after storage

2011 ◽  
Vol 91 (5) ◽  
pp. 853-858 ◽  
Author(s):  
Jennifer DeEll ◽  
Behrouz Ehsani-Moghaddam
Keyword(s):  
Shelf Life ◽  
Fruit Quality ◽  
Cold Storage ◽  
Ethylene Production ◽  
Marked Reduction ◽  
Quality Attributes ◽  
Fruit Softening ◽  
Treatment Timing ◽  
Color Development ◽  
Yellow Color

DeEll, J. R. and Ehsani-Moghaddam, B. 2011. Timing of postharvest 1-methylcyclopropene treatment affects Bartlett pear quality after storage. Can. J. Plant Sci. 91: 853–858. This study investigated the effects of postharvest 1-methylcyclopropene (1-MCP) treatment timing on the ripening and physiological disorders of Bartlett pears during cold storage and subsequent shelf-life. Pears were held for 1, 3 or 7 d at 3°C after harvest and then treated with 0.3 µL L−1 1-MCP for 24 h at 3°C. Fruit quality attributes were evaluated after 4 mo of cold storage at 0.5°C, plus 1 to 11 d at 22°C. All 1-MCP treatments reduced ethylene production, as well as delayed fruit softening and yellow color development. However, the most substantial benefit of 1-MCP observed was the marked reduction in disorders, especially senescent scald and internal breakdown. The results suggest that 1-MCP treatment 3 d after harvest provided the best balance of reduced disorder development during storage and the ability of Bartlett pears to soften adequately thereafter. Fruit treated with 1-MCP at 1 d after harvest did not soften as much as those treated 3 or 7 d after harvest, while treatment after 7 d provided less control of disorders than treatment after 1 or 3 d.

scholarly journals Cropload Affects Fruit Quality of Honeycrisp Apple

HortScience ◽  
2004 ◽  
Vol 39 (4) ◽  
pp. 841D-842 ◽  
Author(s):  
Terence L. Robinson* ◽  
Christopher B. Watkins
Keyword(s):  
Fruit Quality ◽  
Sugar Content ◽  
Fruit Size ◽  
Fruit Rot ◽  
Fruit Firmness ◽  
Ethylene Concentration ◽  
Red Color ◽  
Wide Range ◽  
Return Bloom ◽  
Storage Disorders

In 2001 and 2002, we imposed a wide range of croploads (0-15 fruits/cm2 of TCA) on 4- and 5-year-old Honeycrisp/M.9 trees by manual hand thinning soon after bloom to define appropriate croploads that give adequate repeat bloom and also the best fruit quality. At harvest each year we evaluated fruit ripening and quality. Samples were stored for 5 months in air at 38 °F and 33 °F and evaluated for fruit firmness and storage disorders. Cropload was negatively correlated with tree growth, return bloom, fruit size, fruit red color, fruit sugar content, fruit starch content, fruit firmness, fruit acidity, fruit bitter pit, fruit senescent breakdown, fruit rot and fruit superficial scald, but was positively correlated with leaf blotch symptoms, fruit internal ethylene concentration at harvest, and fruit soggy breakdown. There was a strong effect of cropload on fruit size up to a cropload 7, beyond which there was only a small additional effect. Although there was considerable variation in return bloom, a relatively low cropload was required to obtain adequate return bloom. Fruit red color was reduced only slightly up to a cropload of 8 beyond which it was reduced dramatically. The reduced fruit color and sugar content at high croploads could indicate a delay in maturity of but, fruits from high croploads were also softer, had less starch and greater internal ethylene. It that excessive croploads advance maturity. Overall, croploads greater than 10 resulted in no bloom the next year, and poor fruit size, color and flavor, but these fruits tended to have the least storage disorders. Moderate croploads (7-8) resulted in disappointing return bloom and mediocre fruit quality. For optimum quality and annual cropping, relatively low croploads of 4-5 were necessary.

scholarly journals Preharvest Application of 1-Methylcyclopropene Influences Fruit Drop and Storage Potential of ‘Bartlett’ Pears

HortScience ◽  
2010 ◽  
Vol 45 (4) ◽  
pp. 610-616 ◽  
Author(s):  
Max G. Villalobos-Acuña ◽  
William V. Biasi ◽  
Sylvia Flores ◽  
Elizabeth J. Mitcham ◽  
Rachel B. Elkins ◽  
...  
Keyword(s):  
Cold Storage ◽  
Ethylene Production ◽  
Naphthaleneacetic Acid ◽  
Fruit Maturation ◽  
Physiological Disorders ◽  
Fruit Drop ◽  
Parallel Experiment ◽  
Storage Potential ◽  
And Storage ◽  
Treatment Concentration

Preharvest applications of 1-methylcyclopropene (1-MCP) were tested on California ‘Bartlett’ pears at 80 N maturity and at rates of 0, 28, and 56 mg·L−1 in 2006 and 0, 50, and 100 mg·L−1 in 2007. In 2007, a parallel experiment was conducted to compare 50 mg·L−1 1-MCP with 96 g a.i./ha 1-naphthaleneacetic acid (NAA) used commercially to control or decrease premature fruit drop. Premature fruit drop, maturity, firmness at harvest, color, softening, and ethylene production during ripening and physiological disorders were studied in fruit harvested between 7 and 21 days after 1-MCP application and either ripened at 20 °C immediately after harvest or after 3.5 to 6 months storage at –1 °C. Overall, 50 mg·L−1 1-MCP reduced the incidence of premature fruit drop when compared with the untreated fruit and fruit drop was similar to adjuvant-treated fruit and NAA-treated fruit, especially 28 days or longer after the treatment. 1-MCP was more effective in retarding color, softening, and ethylene production during ripening than delaying fruit maturation on the tree (loss of firmness), and both rates of 1-MCP tested each season yielded similar fruit responses on most evaluation times. 1-MCP's effect on ripening was lost if fruit remained on the tree 21 days or after the fruit were stored for 3.5 months in cold storage regardless of treatment concentration. A reduction of internal breakdown incidence was observed in 1-MCP-treated fruit.

Fruit quality attributes of a new Spanish pomegranate cultivar at harvest and during cold storage

2019 ◽  
pp. 275-282
Author(s):  
D. Villamón ◽  
L. Palou ◽  
J. Bartual ◽  
V. Taberner ◽  
B. de la Fuente ◽  
...  
Keyword(s):  
Fruit Quality ◽  
Cold Storage ◽  
Quality Attributes

scholarly journals Blue Light Does Not Affect Fruit Quality or Disease Development on Ripe Blueberry Fruit During Postharvest Cold Storage

Horticulturae ◽  
2020 ◽  
Vol 6 (4) ◽  
pp. 59
Author(s):  
Yi-Wen Wang ◽  
Helaina D. Ludwig ◽  
Harald Scherm ◽  
Marc W. van Iersel ◽  
Savithri U. Nambeesan
Keyword(s):  
Blue Light ◽  
Fruit Quality ◽  
Cold Storage ◽  
Disease Incidence ◽  
Quality Attributes ◽  
Light Treatment ◽  
Highbush Blueberry ◽  
Disease Development ◽  
Anthocyanin Accumulation ◽  
Southern Highbush

Blueberry fruit are perishable after harvesting due to fruit softening, water loss and susceptibility to pathogens. Light, especially blue light, increases the accumulation of anthocyanins and reduces postharvest decay in some fruits, but the effect of blue light on postharvest fruit quality attributes in blueberries is unknown. In this study, we evaluated the effect of blue light on fruit quality, anthocyanin accumulation and disease development during postharvest cold storage (2 °C–4 °C) in two experiments with southern highbush blueberry ‘Star’ and rabbiteye blueberry ‘Alapaha’. Overall, diurnal blue light did not affect postharvest fruit quality attributes, such as visual defects, fruit compression, skin puncture, total soluble solid content and titratable acidity, in the two cultivars compared with their respective controls (diurnal white light or continuous darkness). Further, there was no effect of blue light on fruit color and anthocyanin accumulation. Fruit disease incidence in ‘Star’ ranged from 19.0% to 27.3% after 21 days and in ‘Alapaha’ from 44.9% to 56.2% after 24 days in postharvest storage, followed by 4 days at room temperature, but blue light had no consistent effect on postharvest disease incidence for either cultivar. Disease progression following artificial inoculations with Alternaria tenuissima and Colletotrichum acutatum in ‘Star’ was not influenced by light treatment prior to inoculation and during fruit storage. In a separate experiment, we tested the effect of blue light on color development in ‘Farthing’, a southern highbush blueberry cultivar with fruit prone to non-uniform ripening, whereby the stem-end remains green as the rest of the fruit turns blue. Although green stem-end spots turned blue over time, there was no statistically significant effect of the blue light treatment. Overall, these data indicate that blue light does not affect fruit quality attributes or disease development in ripe blueberry fruit during postharvest storage in the conditions investigated here.

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