Abstract
Plants of the strawberry (Fragaria × ananassa Duchesne) cultivar ‘Selva’ were planted in Mount Compass sand supplemented with three calcium sulphate treat-ments such that Ca contributed was 300 ppm, 900 ppm or 1800 ppm, to assess effects on post-harvest fruit quality. Sensory panellists evaluated appearance, texture, and flavour, while objective analysis was performed on the same fruit by means of a pene-trometer, and determination of titratable acidity, yield and total soluble solids. Fruit from plants receiving the low calcium sulphate treatment were consistently larger and had greater total soluble solids (Brix) and titratable acidity than fruit from the other calcium treatments. However, fruit from the median calcium treatment had the best postharvest quality. This directly correlated with fruit firmness, measured using a penetrometer. None of the treatments was identified by panellists as being ideal for obtaining desirable strawberry fruit flavour or texture. The concentration of macro- and micronutrients present in petiole, leaf and strawberry fruit tissues was analysed to assess calcium mobility. Increased calcium application rates resulted in increased calcium concentrations in leaf tissues but not fruit, suggesting that calcium is not mo-bilised to fruit tissue.
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Claims 8
Claim · model-written summary
Low calcium treatment produced larger fruit.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- low calcium sulphate treatmente0
- Outcome
- Fruite0
- Direction
- largere0
- Comparator
- other calcium treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Fruit from plants receiving the low calcium sulphate treatment were consistently larger and had greater total soluble solids (Brix) and titratable acidity than fruit from the other calcium treatments.”
t0“STRAWBERRY FRUIT”
Claim · model-written summary
Low calcium treatment raised fruit soluble solids.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- low calcium sulphate treatmente0
- Outcome
- total soluble solids (Brix)e0
- Direction
- greatere0
- Comparator
- other calcium treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit from plants receiving the low calcium sulphate treatment were consistently larger and had greater total soluble solids (Brix) and titratable acidity than fruit from the other calcium treatments.”
t0“STRAWBERRY FRUIT”
Claim · model-written summary
Low calcium treatment raised fruit titratable acidity.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- low calcium sulphate treatmente0
- Outcome
- titratable aciditye0
- Direction
- greatere0
- Comparator
- other calcium treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit from plants receiving the low calcium sulphate treatment were consistently larger and had greater total soluble solids (Brix) and titratable acidity than fruit from the other calcium treatments.”
t0“STRAWBERRY FRUIT”
Claim · model-written summary
Median calcium treatment gave the best postharvest quality.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- median calcium treatmente0
- Outcome
- postharvest qualitye0
- Direction
- beste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fruit from the median calcium treatment had the best postharvest quality.”
t0“STRAWBERRY FRUIT”
Claim · model-written summary
Postharvest quality correlated with fruit firmness.
- Taxon
- strawberryFragaria ×ananassat0
- Organ / stage
- fruite0
- Outcome
- fruit firmnesse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This directly correlated with fruit firmness, measured using a penetrometer.”
t0“STRAWBERRY FRUIT”
Claim · model-written summary
Panellists found no treatment ideal for desirable flavour or texture.
- Taxon
- strawberryFragaria ×ananassae0
- Outcome
- desirable strawberry fruit flavour or texturee0
- Direction
- Nonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“None of the treatments was identified by panellists as being ideal for obtaining desirable strawberry fruit flavour or texture.”
Claim · model-written summary
Greater calcium application raised leaf calcium concentration.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- Increased calcium application ratese0
- Outcome
- calcium concentrations in leaf tissuese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increased calcium application rates resulted in increased calcium concentrations in leaf tissues but not fruit”
t0“STRAWBERRY FRUIT”
Claim · model-written summary
Greater calcium application did not raise fruit calcium concentration.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- Increased calcium application ratese0
- Outcome
- fruite0
- Direction
- not fruite0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increased calcium application rates resulted in increased calcium concentrations in leaf tissues but not fruit”
t0“STRAWBERRY FRUIT”
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See all 12 papers →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.