Abstract
The objective of this study was to investigate the effects of preharvest and postharvest 1-methylcyclopropene (1-MCP) treatment on the incidence of external CO2 injury in apples during storage. During a period of 4 years, 'McIntosh' or 'Empire' trees were either untreated or sprayed 7 to 11 days before harvest with 1-MCP (Harvista). Following harvest, apples were cooled overnight and then treated within 7 days with or without 1-MCP (SmartFresh) for 24 hours at 3°C. Apples were subsequently held in controlled atmosphere (CA) at 3°C for 6 or 9-9½ months. Apples from trees sprayed with Harvista and/or treated with SmartFresh developed more external CO2 injury, compared to those not treated. The incidence was greatest in SmartFresh-treated fruit that had been sprayed with Harvista containing the highest 1-MCP concentration, while less CO2 injury developed when SmartFresh was applied closer to harvest. The usual 1-MCP effect of improved firmness retention was observed throughout.
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Claims 4
Claim · model-written summary
Apples from 1-MCP-sprayed trees and SmartFresh-treated fruit developed more external CO2 injury than untreated fruit.
- Taxon
- apples
Malus domesticat0 - Material
- 'McIntosh' or 'Empire'e2
- Treatment
- sprayed with Harvista and/or treated with SmartFreshe1
- Outcome
- external CO2 injurye1
- Direction
- moree1
- Comparator
- those not treatede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“EXTERNAL CO2 INJURY IN APPLES DURING STORAGE”
e1“Apples from trees sprayed with Harvista and/or treated with SmartFresh developed more external CO2 injury, compared to those not treated”
e2“'McIntosh' or 'Empire' trees were either untreated or sprayed 7 to 11 days before harvest with 1-MCP (Harvista)”
Claim · model-written summary
The greatest CO2 injury incidence was in SmartFresh-treated fruit sprayed with the highest 1-MCP concentration in Harvista.
- Taxon
- applesMalus domesticat0
- Treatment
- SmartFresh-treated fruit that had been sprayed with Harvista containing the highest 1-MCP concentratione2
- Outcome
- incidencee2
- Direction
- greateste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“EXTERNAL CO2 INJURY IN APPLES DURING STORAGE”
e2“The incidence was greatest in SmartFresh-treated fruit that had been sprayed with Harvista containing the highest 1-MCP concentration”
Claim · model-written summary
Less CO2 injury developed when SmartFresh was applied closer to harvest.
- Taxon
- applesMalus domesticat0
- Treatment
- SmartFresh was applied closer to harveste2
- Outcome
- CO2 injurye2
- Direction
- lesse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“EXTERNAL CO2 INJURY IN APPLES DURING STORAGE”
e2“less CO2 injury developed when SmartFresh was applied closer to harvest”
Claim · model-written summary
1-MCP improved firmness retention throughout storage.
- Taxon
- applesMalus domesticat0
- Treatment
- 1-MCPe4
- Outcome
- firmness retentione4
- Direction
- improvede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“EXTERNAL CO2 INJURY IN APPLES DURING STORAGE”
e4“The usual 1-MCP effect of improved firmness retention was observed throughout”
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