Abstract
A sprayable formulation of 1-methylcyclopropene (1-MCP; AgroFresh, Spring House, PA) was applied to ‘Scarletspur Delicious’ and ‘Cameo’ apples in the orchard 1 to 3 weeks before harvest and compared in different postharvest studies with the commercial postharvest 1-MCP fruit treatment (SmartFresh; AgroFresh) and with aminoethoxyvinylglycine (AVG; ReTain; Valent BioSciences, Walnut Creek, CA). Treated apples were held in air storage for 50 to 60 d or in controlled-atmosphere storage for 120 to 125 or 215 to 225 d. With increased concentration, sprayable 1-MCP treatments were effective at controlling flesh firmness loss and internal ethylene concentration (IEC) up to 225 d of storage as well as during a 7-d poststorage shelf life simulation at room temperature. Application closer to harvest improved the effect of sprayable 1-MCP on control of flesh firmness loss and IEC. Concentrations of sprayable 1-MCP above 90 mg a.i./L produced similar fruit effects to 1-MCP. Treatment with 1-MCP showed little effect on soluble solids concentration (SSC), titratable acidity (TA), or skin or flesh color in ‘Delicious’ but slightly increased SSC and TA in ‘Cameo’ apples. AVG applied 4 weeks before commercial harvest controlled IEC nearly as well as either sprayable 1-MCP or 1-MCP during storage, but AVG-treated fruit allowed to ripen for 7 d at room temperature after storage lost much more flesh firmness regardless of storage regime. Sprayable 1-MCP also reduced starch hydrolysis, IEC and fruit drop at harvest. Sprayable 1-MCP may offer new opportunities for effective preharvest management of apple fruit condition, storability, and poststorage fruit quality.
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Claims 12
Claim · model-written summary
Higher sprayable 1-MCP concentrations controlled apple firmness loss through storage and shelf life.
- Taxon
- apple
Malus domesticat0 - Treatment
- sprayable 1-MCP treatmentse0
- Outcome
- flesh firmness losse0
- Direction
- controllinge0
- Qualifier
- up to 225 d of storagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With increased concentration, sprayable 1-MCP treatments were effective at controlling flesh firmness loss and internal ethylene concentration (IEC) up to 225 d of storage as well as during a 7-d poststorage shelf life simulation at room temperature”
t0“Apple Harvest and Postharvest Condition”
Claim · model-written summary
Higher sprayable 1-MCP concentrations controlled internal ethylene concentration through storage and shelf life.
- Taxon
- appleMalus domesticat0
- Treatment
- sprayable 1-MCP treatmentse0
- Outcome
- internal ethylene concentration (IEC)e0
- Direction
- controllinge0
- Qualifier
- up to 225 d of storagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With increased concentration, sprayable 1-MCP treatments were effective at controlling flesh firmness loss and internal ethylene concentration (IEC) up to 225 d of storage as well as during a 7-d poststorage shelf life simulation at room temperature”
t0“Apple Harvest and Postharvest Condition”
Claim · model-written summary
Applying sprayable 1-MCP closer to harvest improved control of flesh firmness loss and IEC.
- Taxon
- appleMalus domesticat0
- Treatment
- Application closer to harveste0
- Outcome
- flesh firmness loss and IECe0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application closer to harvest improved the effect of sprayable 1-MCP on control of flesh firmness loss and IEC”
t0“Apple Harvest and Postharvest Condition”
Claim · model-written summary
Sprayable 1-MCP above 90 mg a.i./L had similar fruit effects to postharvest 1-MCP.
- Taxon
- appleMalus domesticat0
- Treatment
- sprayable 1-MCP above 90 mg a.i./Le0
- Outcome
- fruit effectse0
- Direction
- similare0
- Comparator
- 1-MCPe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Concentrations of sprayable 1-MCP above 90 mg a.i./L produced similar fruit effects to 1-MCP”
t0“Apple Harvest and Postharvest Condition”
Claim · model-written summary
In Delicious apples, 1-MCP had little effect on soluble solids, acidity and skin or flesh color.
- Taxon
- appleMalus domesticat0
- Material
- ‘Delicious’e0
- Treatment
- 1-MCPe0
- Outcome
- soluble solids concentration (SSC), titratable acidity (TA), or skin or flesh colore0
- Direction
- little effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Treatment with 1-MCP showed little effect on soluble solids concentration (SSC), titratable acidity (TA), or skin or flesh color in ‘Delicious’”
t0“Apple Harvest and Postharvest Condition”
Claim · model-written summary
In Cameo apples, 1-MCP slightly increased soluble solids and titratable acidity.
- Taxon
- applesMalus domesticae0
- Material
- ‘Cameo’e0
- Treatment
- 1-MCPe1
- Outcome
- SSC and TAe0
- Direction
- slightly increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“slightly increased SSC and TA in ‘Cameo’ apples”
t0“Apple Harvest and Postharvest Condition”
e1“With increased concentration, sprayable 1-MCP treatments were effective at controlling flesh firmness loss and internal ethylene concentration (IEC) up to 225 d of storage as well as during a 7-d poststorage shelf life simulation at room temperature”
Claim · model-written summary
Preharvest AVG controlled IEC almost as well as sprayable or postharvest 1-MCP.
- Taxon
- appleMalus domesticat0
- Treatment
- AVG applied 4 weeks before commercial harveste0
- Outcome
- IECe0
- Direction
- nearly as welle0
- Comparator
- sprayable 1-MCP or 1-MCPe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AVG applied 4 weeks before commercial harvest controlled IEC nearly as well as either sprayable 1-MCP or 1-MCP during storage”
t0“Apple Harvest and Postharvest Condition”
Claim · model-written summary
AVG-treated apples lost substantially more firmness after seven days of ripening after storage.
- Taxon
- appleMalus domesticat0
- Treatment
- AVG-treated fruite0
- Outcome
- flesh firmnesse0
- Direction
- lost much moree0
- Qualifier
- 7 d at room temperature after storagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AVG-treated fruit allowed to ripen for 7 d at room temperature after storage lost much more flesh firmness regardless of storage regime”
t0“Apple Harvest and Postharvest Condition”
Claim · model-written summary
Sprayable 1-MCP reduced apple starch hydrolysis.
- Taxon
- appleMalus domesticat0
- Treatment
- Sprayable 1-MCPe0
- Outcome
- starch hydrolysise0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sprayable 1-MCP also reduced starch hydrolysis, IEC and fruit drop at harvest”
t0“Apple Harvest and Postharvest Condition”
Claim · model-written summary
Sprayable 1-MCP reduced apple IEC.
- Taxon
- appleMalus domesticat0
- Treatment
- Sprayable 1-MCPe0
- Outcome
- IECe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sprayable 1-MCP also reduced starch hydrolysis, IEC and fruit drop at harvest”
t0“Apple Harvest and Postharvest Condition”
Claim · model-written summary
Sprayable 1-MCP reduced apple fruit drop at harvest.
- Taxon
- appleMalus domesticat0
- Treatment
- Sprayable 1-MCPe0
- Outcome
- fruit drop at harveste0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sprayable 1-MCP also reduced starch hydrolysis, IEC and fruit drop at harvest”
t0“Apple Harvest and Postharvest Condition”
Claim · model-written summary
The authors propose sprayable 1-MCP for preharvest management of apple condition and postharvest quality.
- Taxon
- appleMalus domesticae0
- Outcome
- preharvest management of apple fruit condition, storability, and poststorage fruit qualitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sprayable 1-MCP may offer new opportunities for effective preharvest management of apple fruit condition, storability, and poststorage fruit quality”
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See all 74 papers →8 of 9 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.