Paper · 1994 · HortScience

700 PB 312 EFFECT OF PRE-HARVEST CALCIUM APPLICATIONS ON FIRMNESS, DECAY, AND MINERAL DISTRIBUTION IN STRAWBERRY FRUIT

D. J. Makus; J. R. Morris

13
claims
29
verbatim quotes
4
citations
2
research areas
✓
Open access

Abstract

Supplemental calcium supplied foliariy as Ca glutarate, soil incorporated as gypsum, fertigated as CaNO 3 , in 3-way combination, or none at all, had no effect on fruit firmness, as measured by shear, reduced fruit decay by as much as 23%. over controls (1986-1988), and generally improved fruit Ca levels only in the combination treatment of 904 kg/ha. Fruit raw product quality (pulp pH, acidity, soluble solids concentration, and Hunter color values) were not consistently affected, although there were significant interactions between cvs Fern and Cardinal, harvest dates, holding time, and years. Supplemental Ca reduced fruit size, but tended to increase yield. In 1988, individual fruits were partitioned into upper/lower, dermal/interior, and upper/lower seeds (6 parts), Ca was the third most abundant mineral nutrient in receptacle tissue, but most abundant in seeds. Highest Ca levels were found (descendingly) in the seed, dermal, and interior pulp tissue, Ca was higher in the upper (stem) end. Differences in fruit Ca levels between cvs were found in the seeds and not the receptacle. No clear relationship was observed between fruit firmness, decay, and Ca level.

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 13

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Supplemental calcium did not affect strawberry fruit firmness.

Taxon
STRAWBERRYFragaria ×ananassat0
Treatment
Supplemental calciume0
Outcome
fruit firmnesse0
Direction
no effecte0
Comparator
none at alle0

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Supplemental calcium supplied foliariy as Ca glutarate, soil incorporated as gypsum, fertigated as CaNO 3 , in 3-way combination, or none at all, had no effect on fruit firmness, as measured by shear”

✓ located verbatim in the source · abstract, characters 0–199 · show in text ↑
t0

“STRAWBERRY FRUIT”

✓ located verbatim in the source · title, characters 102–118 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Supplemental calcium reduced strawberry fruit decay by up to 23%.

Taxon
STRAWBERRYFragaria ×ananassat0
Treatment
Supplemental calciume1
Outcome
fruit decaye0
Direction
reducede0
Value
23%e0
Comparator
controlse0

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“reduced fruit decay by as much as 23%. over controls (1986-1988)”

✓ located verbatim in the source · abstract, characters 201–265 · show in text ↑
t0

“STRAWBERRY FRUIT”

✓ located verbatim in the source · title, characters 102–118 · show in text ↑
e1

“Supplemental calcium supplied foliariy as Ca glutarate, soil incorporated as gypsum, fertigated as CaNO 3 , in 3-way combination, or none at all, had no effect on fruit firmness, as measured by shear”

✓ located verbatim in the source · abstract, characters 0–199 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The combination calcium treatment generally raised fruit calcium levels.

Taxon
STRAWBERRYFragaria ×ananassat0
Treatment
combination treatment of 904 kg/hae0
Outcome
fruit Ca levelse0
Direction
improvede0

Not reportedComparator

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“generally improved fruit Ca levels only in the combination treatment of 904 kg/ha.”

✓ located verbatim in the source · abstract, characters 271–353 · show in text ↑
t0

“STRAWBERRY FRUIT”

✓ located verbatim in the source · title, characters 102–118 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Raw fruit quality measures were not consistently affected by supplemental calcium.

Taxon
STRAWBERRYFragaria ×ananassat0
Treatment
Supplemental calciume1
Outcome
pulp pH, acidity, soluble solids concentration, and Hunter color valuese0
Direction
not consistently affectede0

Not reportedComparator

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Fruit raw product quality (pulp pH, acidity, soluble solids concentration, and Hunter color values) were not consistently affected”

✓ located verbatim in the source · abstract, characters 354–484 · show in text ↑
t0

“STRAWBERRY FRUIT”

✓ located verbatim in the source · title, characters 102–118 · show in text ↑
e1

“Supplemental calcium supplied foliariy as Ca glutarate, soil incorporated as gypsum, fertigated as CaNO 3 , in 3-way combination, or none at all, had no effect on fruit firmness, as measured by shear”

✓ located verbatim in the source · abstract, characters 0–199 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Cultivar, harvest date, holding time and year had significant interactions for fruit quality.

Taxon
STRAWBERRYFragaria ×ananassat0
Material
cvs Fern and Cardinale0
Outcome
Fruit raw product qualitye1
Qualifier
harvest dates, holding time, and yearse0

Not reportedDirection

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“there were significant interactions between cvs Fern and Cardinal, harvest dates, holding time, and years.”

✓ located verbatim in the source · abstract, characters 495–601 · show in text ↑
t0

“STRAWBERRY FRUIT”

✓ located verbatim in the source · title, characters 102–118 · show in text ↑
e1

“Fruit raw product quality (pulp pH, acidity, soluble solids concentration, and Hunter color values) were not consistently affected”

✓ located verbatim in the source · abstract, characters 354–484 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Supplemental calcium reduced strawberry fruit size.

Taxon
STRAWBERRYFragaria ×ananassat0
Treatment
Supplemental Cae0
Outcome
fruit sizee0
Direction
reducede0

Not reportedComparator

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Supplemental Ca reduced fruit size, but tended to increase yield.”

✓ located verbatim in the source · abstract, characters 602–667 · show in text ↑
t0

“STRAWBERRY FRUIT”

✓ located verbatim in the source · title, characters 102–118 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Supplemental calcium tended to increase strawberry yield.

Taxon
STRAWBERRYFragaria ×ananassat0
Treatment
Supplemental Cae0
Outcome
yielde0
Direction
increasee0

Not reportedComparator

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Supplemental Ca reduced fruit size, but tended to increase yield.”

✓ located verbatim in the source · abstract, characters 602–667 · show in text ↑
t0

“STRAWBERRY FRUIT”

✓ located verbatim in the source · title, characters 102–118 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Calcium was third most abundant in receptacle tissue.

Taxon
STRAWBERRYFragaria ×ananassat0
Organ / stage
receptacle tissuee0
Outcome
Cae0
Direction
third most abundante0

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Ca was the third most abundant mineral nutrient in receptacle tissue, but most abundant in seeds.”

✓ located verbatim in the source · abstract, characters 780–877 · show in text ↑
t0

“STRAWBERRY FRUIT”

✓ located verbatim in the source · title, characters 102–118 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Calcium was most abundant in seeds.

Taxon
STRAWBERRYFragaria ×ananassat0
Organ / stage
seedse0
Outcome
Cae0
Direction
most abundante0

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Ca was the third most abundant mineral nutrient in receptacle tissue, but most abundant in seeds.”

✓ located verbatim in the source · abstract, characters 780–877 · show in text ↑
t0

“STRAWBERRY FRUIT”

✓ located verbatim in the source · title, characters 102–118 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Fruit calcium ranked highest in seed, then dermal, then interior pulp tissue.

Taxon
STRAWBERRYFragaria ×ananassat0
Organ / stage
seed, dermal, and interior pulp tissuee0
Outcome
Ca levelse0
Direction
Higheste0

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Highest Ca levels were found (descendingly) in the seed, dermal, and interior pulp tissue, Ca was higher in the upper (stem) end.”

✓ located verbatim in the source · abstract, characters 878–1007 · show in text ↑
t0

“STRAWBERRY FRUIT”

✓ located verbatim in the source · title, characters 102–118 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Fruit calcium was higher in the upper stem end.

Taxon
STRAWBERRYFragaria ×ananassat0
Organ / stage
upper (stem) ende0
Outcome
Cae0
Direction
highere0

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Ca was higher in the upper (stem) end.”

✓ located verbatim in the source · abstract, characters 969–1007 · show in text ↑
t0

“STRAWBERRY FRUIT”

✓ located verbatim in the source · title, characters 102–118 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Cultivar differences in fruit calcium occurred in seeds but not receptacle.

Taxon
STRAWBERRYFragaria ×ananassat0
Material
cvse0
Organ / stage
seeds and not the receptaclee0
Outcome
fruit Ca levelse0

Not reportedDirection

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Differences in fruit Ca levels between cvs were found in the seeds and not the receptacle.”

✓ located verbatim in the source · abstract, characters 1008–1098 · show in text ↑
t0

“STRAWBERRY FRUIT”

✓ located verbatim in the source · title, characters 102–118 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

There was no clear relationship among firmness, decay and calcium level.

Taxon
STRAWBERRYFragaria ×ananassat0
Organ / stage
fruite0
Outcome
fruit firmness, decay, and Ca levele0

Not reportedDirection

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“No clear relationship was observed between fruit firmness, decay, and Ca level.”

✓ located verbatim in the source · abstract, characters 1099–1178 · show in text ↑
t0

“STRAWBERRY FRUIT”

✓ located verbatim in the source · title, characters 102–118 · show in text ↑

calcium atom · yield · Fragaria x ananassa (strawberry)Results differ

21 papers: 18 positive, 3 negative or no effect

17 papers in the same direction as this paper · 2 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. negative
  3. no effect

17 papers more in this group

See all 21 papers →

calcium atom · quality: postharvest · Fragaria x ananassa (strawberry)Results differ

22 papers: 18 positive, 4 negative or no effect

3 papers in the same direction as this paper · 18 in the opposite direction

  1. positive
  2. positive
  3. positive

18 papers more in this group

See all 22 papers →

calcium atom · disease · Fragaria x ananassa (strawberry)Positive and negative results

10 papers: 9 positive, 1 negative or no effect

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

  1. negative
  2. positive
  3. positive

6 papers more in this group

See all 10 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.