Abstract
Summary Apples of the cultivar 'Summerred', grown in Norway (59°40'N), were harvested in September and stored in controlled atmosphere (CA) at 3% O 2 + 3% CO 2 or in normal air (NA) at 2°C until the middle of January. After removal from storage in December and January, the apples were kept one week at room temperature, simulating shelf-life. There were only small or no differences in fruit quality between the two storage methods. Principal component analysis (PCA) of shelf-life samples revealed three components explaining 87% of the total variation. The most important cause of variation were the storage methods (41% explained), followed by storage period (31% explained) and the variation caused by year of harvest (15% explained). Beneficial effects of CA-storage for 'Summerred'- apples were of minor importance and therefore they cannot justify the cost of CA-storage.
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Claims 6
Claim · model-written summary
Fruit quality differed little or not at all between controlled-atmosphere and normal-air storage.
- Taxon
- Apples
Malus domesticae0 - Material
- 'Summerred'e0
- Treatment
- controlled atmosphere (CA) at 3% O 2 + 3% CO 2e2
- Outcome
- fruit qualitye1
- Direction
- small or no differencese1
- Comparator
- normal air (NA)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Apples of the cultivar 'Summerred'”
e1“There were only small or no differences in fruit quality between the two storage methods.”
e2“controlled atmosphere (CA) at 3% O 2 + 3% CO 2 or in normal air (NA) at 2°C”
Claim · model-written summary
PCA of shelf-life samples found three components explaining 87% of variation.
- Taxon
- ApplesMalus domesticae0
- Material
- 'Summerred'e0
- Outcome
- total variatione1
- Value
- 87%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Apples of the cultivar 'Summerred'”
e1“Principal component analysis (PCA) of shelf-life samples revealed three components explaining 87% of the total variation.”
Claim · model-written summary
Storage method explained 41% of variation in apple shelf-life samples.
- Taxon
- ApplesMalus domesticae0
- Outcome
- storage methodse1
- Value
- 41%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Apples of the cultivar 'Summerred'”
e1“storage methods (41% explained)”
Claim · model-written summary
Storage period explained 31% of variation in apple shelf-life samples.
- Taxon
- ApplesMalus domesticae0
- Outcome
- storage periode1
- Value
- 31%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Apples of the cultivar 'Summerred'”
e1“storage period (31% explained)”
Claim · model-written summary
Harvest year explained 15% of variation in apple shelf-life samples.
- Taxon
- ApplesMalus domesticae0
- Outcome
- variation caused by year of harveste1
- Value
- 15%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Apples of the cultivar 'Summerred'”
e1“variation caused by year of harvest (15% explained)”
Claim · model-written summary
The authors concluded that minor benefits of CA storage did not justify its cost.
- Taxon
- ApplesMalus domesticae0
- Material
- 'Summerred'e0
- Outcome
- they cannot justify the cost of CA-storagee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Apples of the cultivar 'Summerred'”
e1“Beneficial effects of CA-storage for 'Summerred'- apples were of minor importance and therefore they cannot justify the cost of CA-storage.”
The same questions in other papers
storage · quality: grain · Malus domestica (apple)Positive and negative results
2 papers in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- positive
3 papers more in this group
See all 7 papers →co2 · quality: grain · Malus domestica (apple)Results agree
1 paper in the same direction as this paper
- no effect
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.