Abstract
The efficacy of 1-methylcyclopropene (1-MCP) in maintenance of apple fruit quality can differ depending on apple cultivar, ethylene content at harvest, 1-MCP concentration, the interval between harvest and 1-MCP application, and the number of applications. In this study, we investigated whether the 1-MCP concentration and its application frequency differently affected fruit quality attributes of the two new apple cultivars ‘Arisoo’ and ‘Picnic’. The fruits were treated with 1-MCP (as single or double treatments) at the rate of 0 μL L−1 (control), 0.5 μL L−1, 1 μL L−1, 0.5 + 0.5 μL L−1, and 1 + 1 μL L−1 for 18 h, and they were stored at 0 °C up to six months. Comparatively, the fruit qualities of 1-MCP treated fruits were higher than that of the control during cold storage, with a higher suppression of internal ethylene content and a slower reduction of titratable acidity in 1-MCP treatments than the controls throughout the cold storage in both cultivars, regardless of the concentration and number of applications. Reduction of fruit firmness and soluble solid contents were maintained by single application of 0.5 μL L−1 1-MCP in ‘Arisoo’ apple, while double application of 0.5 + 0.5 μL L−1 was needed in ‘Picnic’ cultivar. The effective concentration for weight-loss reduction was found to be the single application of 1 μL L−1 1-MCP in both ‘Arisoo’ and ‘Picnic’. Conclusively, 1-MCP as single treatment at the rate of 0.5 μL L−1 could be sufficient in inhibiting ethylene action and maintaining fruit quality losses during cold storage, particularly in ‘Arisoo’. However, double application of 1-MCP might be necessary for some quality attributes in ‘Picnic’ apple.
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Claims 5
Claim · model-written summary
1-MCP suppressed internal ethylene content in both cultivars during cold storage.
- Taxon
- Apples
Malus domesticat0 - Treatment
- 1-MCP treatmentse0
- Outcome
- internal ethylene contente0
- Direction
- suppressione0
- Comparator
- the controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a higher suppression of internal ethylene content and a slower reduction of titratable acidity in 1-MCP treatments than the controls throughout the cold storage in both cultivars”
t0“Apples”
Claim · model-written summary
1-MCP slowed loss of titratable acidity in both cultivars.
- Taxon
- ApplesMalus domesticat0
- Treatment
- 1-MCP treatmentse0
- Outcome
- titratable aciditye0
- Direction
- slower reductione0
- Comparator
- the controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a higher suppression of internal ethylene content and a slower reduction of titratable acidity in 1-MCP treatments than the controls throughout the cold storage in both cultivars”
t0“Apples”
Claim · model-written summary
Single 0.5 μL L−1 application maintained firmness and soluble solids in Arisoo.
- Taxon
- appleMalus domesticae0
- Material
- ‘Arisoo’e0
- Treatment
- single application of 0.5 μL L−1 1-MCPe0
- Outcome
- fruit firmness and soluble solid contentse0
- Direction
- maintainede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reduction of fruit firmness and soluble solid contents were maintained by single application of 0.5 μL L−1 1-MCP in ‘Arisoo’ apple”
Claim · model-written summary
Double 0.5 + 0.5 μL L−1 application was needed for firmness and soluble solids in Picnic.
- Taxon
- ApplesMalus domesticat0
- Material
- ‘Picnic’e0
- Treatment
- double application of 0.5 + 0.5 μL L−1e0
- Outcome
- fruit firmness and soluble solid contentse0
- Direction
- maintainede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reduction of fruit firmness and soluble solid contents were maintained by single application of 0.5 μL L−1 1-MCP in ‘Arisoo’ apple, while double application of 0.5 + 0.5 μL L−1 was needed in ‘Picnic’ cultivar”
t0“Apples”
Claim · model-written summary
Single 1 μL L−1 1-MCP reduced weight loss in both cultivars.
- Taxon
- ApplesMalus domesticat0
- Treatment
- single application of 1 μL L−1 1-MCPe0
- Outcome
- weight-losse0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effective concentration for weight-loss reduction was found to be the single application of 1 μL L−1 1-MCP in both ‘Arisoo’ and ‘Picnic’”
t0“Apples”
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