Paper · 1980 · Journal of the American Society for Horticultural Science

A Sensitive Method for Measuring Changes in Calcium Concentration in ‘McIntosh’ Apples Demonstrated in Determining Effects of Foliar Calcium Sprays1

S. A. Weis; M. Drake; W. J. Bramlage; et al.

9
claims
18
verbatim quotes
19
citations
4
research areas
✓
Open access · cc-by-nc-nd

Abstract

Abstract Three different methods of sampling flesh of apple ( Malus domestica Borkh.) for Ca analysis produced different results due to uneven Ca distribution in the fruit. A sensitive, reproducible method of sampling and analyzing the outer cortex of the calyx half of fruits indicated that Ca concentration in different parts of the fruit changed significantly after harvest, decreasing in the core and increasing in the outer cortical tissues. Massive applications of CaCl 2 to trees shortly before harvest increased flesh Ca concentrations and red coloration of the fruit, decreased flesh softening during storage and senescent breakdown after storage, but caused significant injury to the fruit.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by-nc-nd. 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 9

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Three flesh sampling methods gave different calcium results because fruit calcium was unevenly distributed.

Outcome
different resultse0
Comparator
Three different methods of samplinge0

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e1

“apple ( Malus domestica Borkh.)”

✓ located verbatim in the source · abstract, characters 54–85 · show in text ↑
e0

“Three different methods of sampling flesh of apple ( Malus domestica Borkh.) for Ca analysis produced different results due to uneven Ca distribution in the fruit”

✓ located verbatim in the source · abstract, characters 9–171 · show in text ↑
Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Sampling and analysis of outer cortex in the calyx half was sensitive and reproducible.

Organ / stage
outer cortex of the calyx half of fruitse0
Outcome
sensitive, reproducible methode0

Not reportedComparatorValue

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e1

“apple ( Malus domestica Borkh.)”

✓ located verbatim in the source · abstract, characters 54–85 · show in text ↑
e0

“A sensitive, reproducible method of sampling and analyzing the outer cortex of the calyx half of fruits”

✓ located verbatim in the source · abstract, characters 173–276 · show in text ↑
Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Fruit-core calcium concentration decreased significantly after harvest.

Organ / stage
coree0
Outcome
Ca concentratione0
Direction
decreasinge0
Qualifier
after harveste0

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e1

“apple ( Malus domestica Borkh.)”

✓ located verbatim in the source · abstract, characters 54–85 · show in text ↑
e0

“Ca concentration in different parts of the fruit changed significantly after harvest, decreasing in the core and increasing in the outer cortical tissues”

✓ located verbatim in the source · abstract, characters 292–445 · show in text ↑
Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Outer-cortex calcium concentration increased significantly after harvest.

Organ / stage
outer cortical tissuese0
Outcome
Ca concentratione0
Direction
increasinge0
Qualifier
after harveste0

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e1

“apple ( Malus domestica Borkh.)”

✓ located verbatim in the source · abstract, characters 54–85 · show in text ↑
e0

“Ca concentration in different parts of the fruit changed significantly after harvest, decreasing in the core and increasing in the outer cortical tissues”

✓ located verbatim in the source · abstract, characters 292–445 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Preharvest calcium chloride applications increased apple flesh calcium.

Treatment
Massive applications of CaCl 2e0
Outcome
flesh Ca concentrationse0
Direction
increasede0
Qualifier
shortly before harveste0

Not reportedComparator

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e1

“apple ( Malus domestica Borkh.)”

✓ located verbatim in the source · abstract, characters 54–85 · show in text ↑
e0

“Massive applications of CaCl 2 to trees shortly before harvest increased flesh Ca concentrations and red coloration of the fruit”

✓ located verbatim in the source · abstract, characters 447–575 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Preharvest calcium chloride applications increased fruit red coloration.

Treatment
Massive applications of CaCl 2e0
Outcome
red coloration of the fruite0
Direction
increasede0

Not reportedComparator

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e1

“apple ( Malus domestica Borkh.)”

✓ located verbatim in the source · abstract, characters 54–85 · show in text ↑
e0

“Massive applications of CaCl 2 to trees shortly before harvest increased flesh Ca concentrations and red coloration of the fruit”

✓ located verbatim in the source · abstract, characters 447–575 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Preharvest calcium chloride applications reduced flesh softening during storage.

Treatment
Massive applications of CaCl 2e0
Outcome
flesh softeninge0
Direction
decreasede0
Qualifier
during storagee0

Not reportedComparator

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e1

“apple ( Malus domestica Borkh.)”

✓ located verbatim in the source · abstract, characters 54–85 · show in text ↑
e0

“Massive applications of CaCl 2 to trees shortly before harvest increased flesh Ca concentrations and red coloration of the fruit, decreased flesh softening during storage and senescent breakdown after storage”

✓ located verbatim in the source · abstract, characters 447–655 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Preharvest calcium chloride applications reduced senescent breakdown after storage.

Treatment
Massive applications of CaCl 2e0
Outcome
senescent breakdowne0
Direction
decreasede0
Qualifier
after storagee0

Not reportedComparator

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e1

“apple ( Malus domestica Borkh.)”

✓ located verbatim in the source · abstract, characters 54–85 · show in text ↑
e0

“Massive applications of CaCl 2 to trees shortly before harvest increased flesh Ca concentrations and red coloration of the fruit, decreased flesh softening during storage and senescent breakdown after storage”

✓ located verbatim in the source · abstract, characters 447–655 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Preharvest calcium chloride applications caused significant fruit injury.

Treatment
Massive applications of CaCl 2e0
Outcome
injury to the fruite0

Not reportedComparatorDirection

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

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

e1

“apple ( Malus domestica Borkh.)”

✓ located verbatim in the source · abstract, characters 54–85 · show in text ↑
e0

“Massive applications of CaCl 2 to trees shortly before harvest increased flesh Ca concentrations and red coloration of the fruit, decreased flesh softening during storage and senescent breakdown after storage, but caused significant injury to the fruit”

✓ located verbatim in the source · abstract, characters 447–699 · show in text ↑

calcium dichloride · crop injury · Malus domestica (apple)Positive and negative results

8 papers: 2 positive, 6 negative or no effect

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

  1. positive
  2. positive
  3. negative

4 papers more in this group

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calcium dichloride · quality: postharvest · Malus domestica (apple)Positive and negative results

15 papers: 14 positive, 1 negative or no effect

13 papers in the same direction as this paper · 1 in the opposite direction

  1. negative
  2. positive
  3. positive

11 papers more in this group

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calcium dichloride · nutrient: content · Malus domestica (apple)Results agree

13 papers: 13 positive, 0 negative or no effect

12 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

9 papers more in this group

See all 13 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.