Abstract
1-MCP, an inhibitor of ethylene perception, is applied commercially to deciduous crops to extend storage duration and improve shelf-life quality. The importance of harvest maturity and delays in commercial 1-MCP applications after harvest can be observed in fruit quality following cold storage and shelf life. Pack houses are continually looking to improve treatment efficacy and to develop knowledge of the benefits that they can expect after storage from this technology. This study was initiated to improve 1-MCP application guidelines. 'Golden Delicious' and 'Granny Smith' apples were harvested weekly from the beginning of the optimum picking window, until fruit were of a post optimum maturity. Fruit subjected to 625 μl/L 1-MCP, 1, 4, 7 and 14 days after harvest were cold stored with untreated fruit for 16 weeks at -0.5°C, followed by a shelf life of 7 days at 20°C. Immediately after each 1-MCP application, treated fruit were subjected to a 7 day ripening period at 20°C to determine the efficacy of the application. The importance of applying 1-MCP to 'Golden Delicious' apples as soon as possible after harvest was confirmed, and indicated storage and shelf life benefits when fruit are treated within 7 days of harvest. 1-MCP applied 14 days after harvest did not show any storage or shelf life benefits. Fruit not treated with 1-MCP were all below the UK supermarket grade of 56.9 N (5.8 kg force) after 16 weeks cold storage, regardless of harvest maturity. All fruit, treated with 1-MCP within 7 days of harvest, made the UK supermarket grade. 1-MCP applied to 'Granny Smith' apples up to 14 days after harvest maintained flesh firmness irrespective of harvest maturity, with all fruit making the supermarket grade of 66.7 N (6.8 kg force) after cold storage. However, superficial scald control was reduced when 1-MCP was applied more than 7 days after harvest. 1-MCP treated 'Granny Smith' apples did not soften during shelf life periods. Internal ethylene levels of 1-MCP treated fruit were an accurate indicator of treatment efficacy, storage potential, and the physiological ripening responses of 'Golden Delicious' and 'Granny Smith' apples following storage and shelf life. The significance of these findings is discussed, in terms of practical guidelines to 1-MCP application to 'Golden Delicious' and 'Granny Smith' apples.
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Claims 8
Claim · model-written summary
Golden Delicious apples benefited in storage and shelf life when treated within seven days of harvest.
- Taxon
- apples
Malus domesticae0 - Material
- 'Golden Delicious'e0
- Treatment
- 1-MCPe1
- Outcome
- storage and shelf life benefitse0
- Qualifier
- within 7 days of harveste0
- Comparator
- 14 days after harveste1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“'Golden Delicious' apples as soon as possible after harvest was confirmed, and indicated storage and shelf life benefits when fruit are treated within 7 days of harvest”
e1“1-MCP applied 14 days after harvest did not show any storage or shelf life benefits”
Claim · model-written summary
1-MCP at fourteen days after harvest gave no storage or shelf life benefit.
- Taxon
- applesMalus domesticae1
- Material
- 'Golden Delicious'e1
- Treatment
- 1-MCP applied 14 days after harveste0
- Outcome
- storage or shelf life benefitse0
- Direction
- did not showe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1-MCP applied 14 days after harvest did not show any storage or shelf life benefits”
e1“'Golden Delicious' apples”
Claim · model-written summary
Untreated fruit fell below the UK supermarket firmness grade after sixteen weeks of cold storage.
- Taxon
- applesMalus domesticae1
- Material
- 'Golden Delicious'e1
- Outcome
- UK supermarket gradee0
- Direction
- belowe0
- Value
- 56.9 Ne0
- Qualifier
- regardless of harvest maturitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit not treated with 1-MCP were all below the UK supermarket grade of 56.9 N (5.8 kg force) after 16 weeks cold storage, regardless of harvest maturity”
e1“'Golden Delicious' apples”
Claim · model-written summary
All fruit treated within seven days met the UK supermarket grade.
- Taxon
- applesMalus domesticae1
- Material
- 'Golden Delicious'e1
- Treatment
- 1-MCP within 7 days of harveste0
- Outcome
- made the UK supermarket gradee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All fruit, treated with 1-MCP within 7 days of harvest, made the UK supermarket grade”
e1“'Golden Delicious' apples”
Claim · model-written summary
Granny Smith apples treated up to fourteen days after harvest maintained flesh firmness and met the supermarket grade after storage.
- Taxon
- applesMalus domesticae0
- Material
- 'Granny Smith'e0
- Treatment
- 1-MCPe0
- Outcome
- flesh firmnesse0
- Direction
- maintainede0
- Value
- 66.7 Ne0
- Qualifier
- irrespective of harvest maturitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1-MCP applied to 'Granny Smith' apples up to 14 days after harvest maintained flesh firmness irrespective of harvest maturity, with all fruit making the supermarket grade of 66.7 N (6.8 kg force) after cold storage”
Claim · model-written summary
Superficial scald control declined when 1-MCP was applied more than seven days after harvest.
- Taxon
- applesMalus domesticae1
- Material
- 'Granny Smith'e1
- Treatment
- 1-MCP was applied more than 7 days after harveste0
- Outcome
- superficial scald controle0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“superficial scald control was reduced when 1-MCP was applied more than 7 days after harvest”
e1“1-MCP applied to 'Granny Smith' apples up to 14 days after harvest”
Claim · model-written summary
Treated Granny Smith apples did not soften during shelf life.
- Taxon
- applesMalus domesticae0
- Material
- 'Granny Smith'e0
- Treatment
- 1-MCPe0
- Outcome
- soften during shelf life periodse0
- Direction
- did not softene0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1-MCP treated 'Granny Smith' apples did not soften during shelf life periods”
Claim · model-written summary
Internal ethylene levels accurately indicated treatment efficacy, storage potential and ripening responses in both apple cultivars.
- Taxon
- applesMalus domesticae0
- Material
- 'Golden Delicious' and 'Granny Smith'e0
- Treatment
- 1-MCPe0
- Compound
- ethylenee0
- Outcome
- treatment efficacy, storage potential, and the physiological ripening responsese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Internal ethylene levels of 1-MCP treated fruit were an accurate indicator of treatment efficacy, storage potential, and the physiological ripening responses of 'Golden Delicious' and 'Granny Smith' apples following storage and shelf life”
The same questions in other papers
1-methylcyclopropene · quality: postharvest · Malus domestica (apple)Results differ
112 papers in the same direction as this paper · 7 in the opposite direction
- negative
- no effect
- negative
116 papers more in this group
See all 120 papers →1-methylcyclopropene · control · Malus domestica (apple)Positive and negative results
2 in the opposite direction
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.