Paper · 1982 · Journal of Horticultural Science

The Effect of Nutritional Treatments on Post-Harvest Quality and Flavour of Valencia Oranges

Jane Baldry; J. Dougan; G.E. Howard; et al.

3
claims
6
verbatim quotes
2
citations
2
research areas
—
Not open access

Abstract

SummarySamples of fruit from Valencia orange trees that had been treated with either urea phosphate or potassium nitrate foliar sprays or with soil-applied potassium sulphate, were examined after standard commercial shipment and handling. In acceptability trials using a large taste panel, fruit from urea phosphate-treated trees had the highest ratings for freedom from skin blemishes, sweetness, a pleasant degree of acidity and fruit flavour; soil-applied potassium was associated with a tendency to tartness.

Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 3

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Fruit from urea phosphate-treated Valencia orange trees had the highest ratings for freedom from skin blemishes, sweetness and a pleasant degree of acidity, compared with potassium nitrate foliar sprays.

Taxon
Valencia orangeCitrus sinensise0
Organ / stage
fruite0
Treatment
urea phosphatee1
Outcome
freedom from skin blemishes, sweetness, a pleasant degree of aciditye1
Direction
highest ratingse1
Comparator
potassium nitrate foliar sprayse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Citrus sinensis
Citrus sinensis · TaxonEllen Levy Finch ( Elf ) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Samples of fruit from Valencia orange trees that had been treated with either urea phosphate or potassium nitrate foliar sprays”

✓ located verbatim in the source · abstract, characters 7–134 · show in text ↑
e1

“fruit from urea phosphate-treated trees had the highest ratings for freedom from skin blemishes, sweetness, a pleasant degree of acidity and fruit flavour”

✓ located verbatim in the source · abstract, characters 290–444 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Fruit from urea phosphate-treated Valencia orange trees had the highest ratings for fruit flavour, compared with potassium nitrate foliar sprays.

Taxon
Valencia orangeCitrus sinensise0
Organ / stage
fruite0
Treatment
urea phosphatee1
Outcome
fruit flavoure1
Direction
highest ratingse1
Comparator
potassium nitrate foliar sprayse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Citrus sinensis
Citrus sinensis · TaxonEllen Levy Finch ( Elf ) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Samples of fruit from Valencia orange trees that had been treated with either urea phosphate or potassium nitrate foliar sprays”

✓ located verbatim in the source · abstract, characters 7–134 · show in text ↑
e1

“fruit from urea phosphate-treated trees had the highest ratings for freedom from skin blemishes, sweetness, a pleasant degree of acidity and fruit flavour”

✓ located verbatim in the source · abstract, characters 290–444 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Soil-applied potassium was associated with a tendency toward tartness in Valencia orange fruit.

Taxon
Valencia orangeCitrus sinensise0
Organ / stage
fruite0
Treatment
soil-applied potassiume2
Outcome
tartnesse2
Direction
increaseinferrede2

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Citrus sinensis
Citrus sinensis · TaxonEllen Levy Finch ( Elf ) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Samples of fruit from Valencia orange trees that had been treated with either urea phosphate or potassium nitrate foliar sprays”

✓ located verbatim in the source · abstract, characters 7–134 · show in text ↑
e2

“soil-applied potassium was associated with a tendency to tartness”

✓ located verbatim in the source · abstract, characters 446–511 · show in text ↑

nitrogen · quality: general · Citrus sinensis (sweet orange)Positive and negative results

9 papers: 5 positive, 4 negative or no effect

4 papers in the same direction as this paper · 3 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. no effect

5 papers more in this group

See all 9 papers →

nitrogen · quality: sugar starch · Citrus sinensis (sweet orange)Positive and negative results

13 papers: 11 positive, 2 negative or no effect

10 papers in the same direction as this paper · 2 in the opposite direction

  1. no effect
  2. negative
  3. positive

9 papers more in this group

See all 13 papers →

phosphorus · quality: sugar starch · Citrus sinensis (sweet orange)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

phosphorus · quality: general · Citrus sinensis (sweet orange)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive
See all 4 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.