Paper · 2000 · Indian Journal of Horticulture

Influence of calcium on yield and fruit quality of tomato.

Pratima Sinha; B. K. Dube

14
claims
26
verbatim quotes
0
citations
2
research areas
✓
Open access

Abstract

Tomato cv. Pusa Ruby was grown till maturity in refined sand at 0.025 (acutely deficient), 1 (moderately deficient) and 4 mM Ca (adequate) supply. Deficiency of Ca depressed the growth and produced visible effects in tomato at 68 days. Besides this, low Ca reduced the biomass, fruit yield, concentration of Ca and chlorophyll and activities of peroxidase, α-amylase, ATPase and invertase and stimulated the accumulation of sugars, starch, phenols and nitrate nitrogen contents in young leaves. The fruits of Ca deficient tomato were not only malformed but quality also deteriorated. The volume, colour, fresh and dry weight, pulp weight, lycopene and water contents, titrat-able acidity, ascorbic acid and activities of ATPase, invertase and α-amylase of fruits decreased considerably along with an accumulation of sugars, starch and phenols.

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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 14

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Low calcium reduced tomato biomass and fruit yield compared with adequate calcium supply.

Treatment
low Cae1
Outcome
biomass, fruit yielde1
Direction
reducede1
Comparator
4 mM Ca (adequate)e0

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Tomato cv. Pusa Ruby was grown till maturity in refined sand at 0.025 (acutely deficient), 1 (moderately deficient) and 4 mM Ca (adequate) supply”

✓ located verbatim in the source · abstract, characters 0–145 · show in text ↑
e1

“low Ca reduced the biomass, fruit yield”

✓ located verbatim in the source · abstract, characters 250–289 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Low calcium reduced tomato concentration of Ca and chlorophyll compared with adequate calcium supply.

Treatment
low Cae2
Outcome
concentration of Ca and chlorophylle2
Direction
reducede2
Comparator
4 mM Ca (adequate)e0

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Tomato cv. Pusa Ruby was grown till maturity in refined sand at 0.025 (acutely deficient), 1 (moderately deficient) and 4 mM Ca (adequate) supply”

✓ located verbatim in the source · abstract, characters 0–145 · show in text ↑
e2

“low Ca reduced the biomass, fruit yield, concentration of Ca and chlorophyll”

✓ located verbatim in the source · abstract, characters 250–326 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Low calcium reduced activities of peroxidase, α-amylase and ATPase in tomato.

Treatment
low Cae3
Outcome
activities of peroxidase, α-amylase, ATPasee3
Direction
reducede3
Comparator
4 mM Ca (adequate)e0

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Tomato cv. Pusa Ruby was grown till maturity in refined sand at 0.025 (acutely deficient), 1 (moderately deficient) and 4 mM Ca (adequate) supply”

✓ located verbatim in the source · abstract, characters 0–145 · show in text ↑
e3

“low Ca reduced the biomass, fruit yield, concentration of Ca and chlorophyll and activities of peroxidase, α-amylase, ATPase and invertase”

✓ located verbatim in the source · abstract, characters 250–388 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Low calcium reduced invertase activity in tomato.

Treatment
low Cae3
Outcome
invertasee3
Direction
reducede3
Comparator
4 mM Ca (adequate)e0

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Tomato cv. Pusa Ruby was grown till maturity in refined sand at 0.025 (acutely deficient), 1 (moderately deficient) and 4 mM Ca (adequate) supply”

✓ located verbatim in the source · abstract, characters 0–145 · show in text ↑
e3

“low Ca reduced the biomass, fruit yield, concentration of Ca and chlorophyll and activities of peroxidase, α-amylase, ATPase and invertase”

✓ located verbatim in the source · abstract, characters 250–388 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Low calcium stimulated the accumulation of sugars, starch and phenols in young leaves of tomato.

Organ / stage
young leavese4
Treatment
low Cae4
Outcome
accumulation of sugars, starch, phenolse4
Direction
stimulatede4
Comparator
4 mM Ca (adequate)e0

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Tomato cv. Pusa Ruby was grown till maturity in refined sand at 0.025 (acutely deficient), 1 (moderately deficient) and 4 mM Ca (adequate) supply”

✓ located verbatim in the source · abstract, characters 0–145 · show in text ↑
e4

“low Ca reduced the biomass, fruit yield, concentration of Ca and chlorophyll and activities of peroxidase, α-amylase, ATPase and invertase and stimulated the accumulation of sugars, starch, phenols and nitrate nitrogen contents in young leaves”

✓ located verbatim in the source · abstract, characters 250–493 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Low calcium stimulated nitrate nitrogen contents in young leaves of tomato.

Organ / stage
young leavese4
Treatment
low Cae4
Outcome
nitrate nitrogen contentse4
Direction
stimulatede4
Comparator
4 mM Ca (adequate)e0

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Tomato cv. Pusa Ruby was grown till maturity in refined sand at 0.025 (acutely deficient), 1 (moderately deficient) and 4 mM Ca (adequate) supply”

✓ located verbatim in the source · abstract, characters 0–145 · show in text ↑
e4

“low Ca reduced the biomass, fruit yield, concentration of Ca and chlorophyll and activities of peroxidase, α-amylase, ATPase and invertase and stimulated the accumulation of sugars, starch, phenols and nitrate nitrogen contents in young leaves”

✓ located verbatim in the source · abstract, characters 250–493 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Calcium-deficient tomato fruits were malformed.

Treatment
Ca deficiente5
Outcome
malformede5

Not reportedComparatorDirection

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e5

“The fruits of Ca deficient tomato were not only malformed but quality also deteriorated”

✓ located verbatim in the source · abstract, characters 495–582 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Calcium-deficient tomato fruit quality deteriorated.

Treatment
Ca deficiente5
Outcome
qualitye5
Direction
deterioratede5

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e5

“The fruits of Ca deficient tomato were not only malformed but quality also deteriorated”

✓ located verbatim in the source · abstract, characters 495–582 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Calcium-deficient tomato fruit volume and colour decreased.

Treatment
Ca deficiente5
Outcome
volume, coloure6
Direction
decreasede6

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e5

“The fruits of Ca deficient tomato were not only malformed but quality also deteriorated”

✓ located verbatim in the source · abstract, characters 495–582 · show in text ↑
e6

“The volume, colour, fresh and dry weight, pulp weight, lycopene and water contents, titrat-able acidity, ascorbic acid and activities of ATPase, invertase and α-amylase of fruits decreased considerably along with an accumulation of sugars, starch and phenols”

✓ located verbatim in the source · abstract, characters 584–842 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Calcium-deficient tomato fruit fresh and dry weight and pulp weight decreased.

Treatment
Ca deficiente5
Outcome
fresh and dry weight, pulp weighte6
Direction
decreasede6

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e5

“The fruits of Ca deficient tomato were not only malformed but quality also deteriorated”

✓ located verbatim in the source · abstract, characters 495–582 · show in text ↑
e6

“The volume, colour, fresh and dry weight, pulp weight, lycopene and water contents, titrat-able acidity, ascorbic acid and activities of ATPase, invertase and α-amylase of fruits decreased considerably along with an accumulation of sugars, starch and phenols”

✓ located verbatim in the source · abstract, characters 584–842 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Calcium-deficient tomato fruit lycopene and water contents decreased.

Treatment
Ca deficiente5
Outcome
lycopene and water contentse6
Direction
decreasede6

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e5

“The fruits of Ca deficient tomato were not only malformed but quality also deteriorated”

✓ located verbatim in the source · abstract, characters 495–582 · show in text ↑
e6

“The volume, colour, fresh and dry weight, pulp weight, lycopene and water contents, titrat-able acidity, ascorbic acid and activities of ATPase, invertase and α-amylase of fruits decreased considerably along with an accumulation of sugars, starch and phenols”

✓ located verbatim in the source · abstract, characters 584–842 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Calcium-deficient tomato fruit titratable acidity and ascorbic acid decreased.

Treatment
Ca deficiente5
Outcome
titrat-able acidity, ascorbic acide6
Direction
decreasede6

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e5

“The fruits of Ca deficient tomato were not only malformed but quality also deteriorated”

✓ located verbatim in the source · abstract, characters 495–582 · show in text ↑
e6

“The volume, colour, fresh and dry weight, pulp weight, lycopene and water contents, titrat-able acidity, ascorbic acid and activities of ATPase, invertase and α-amylase of fruits decreased considerably along with an accumulation of sugars, starch and phenols”

✓ located verbatim in the source · abstract, characters 584–842 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Calcium-deficient tomato fruit activities of ATPase, invertase and α-amylase decreased.

Organ / stage
fruitse6
Treatment
Ca deficiente5
Outcome
activities of ATPase, invertase and α-amylasee6
Direction
decreasede6

Not reportedComparator

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e5

“The fruits of Ca deficient tomato were not only malformed but quality also deteriorated”

✓ located verbatim in the source · abstract, characters 495–582 · show in text ↑
e6

“The volume, colour, fresh and dry weight, pulp weight, lycopene and water contents, titrat-able acidity, ascorbic acid and activities of ATPase, invertase and α-amylase of fruits decreased considerably along with an accumulation of sugars, starch and phenols”

✓ located verbatim in the source · abstract, characters 584–842 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Calcium-deficient tomato fruit accumulated sugars, starch and phenols.

Organ / stage
fruitse6
Treatment
Ca deficiente5
Outcome
accumulation of sugars, starch and phenolse6
Direction
increaseinferrede6

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e5

“The fruits of Ca deficient tomato were not only malformed but quality also deteriorated”

✓ located verbatim in the source · abstract, characters 495–582 · show in text ↑
e6

“The volume, colour, fresh and dry weight, pulp weight, lycopene and water contents, titrat-able acidity, ascorbic acid and activities of ATPase, invertase and α-amylase of fruits decreased considerably along with an accumulation of sugars, starch and phenols”

✓ located verbatim in the source · abstract, characters 584–842 · show in text ↑

calcium atom · quality: sugar starch · Solanum lycopersicum (tomato)Results differ

17 papers: 15 positive, 2 negative or no effect

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

This paper is about lacking the nutrient, so it counts the other way round here.

  1. no effect
  2. no effect
  3. positive

13 papers more in this group

See all 17 papers →

calcium atom · quality: postharvest · Solanum lycopersicum (tomato)Results differ

40 papers: 29 positive, 11 negative or no effect

28 papers in the same direction as this paper · 10 in the opposite direction · 1 reporting no difference from an alternative

This paper is about lacking the nutrient, so it counts the other way round here.

  1. negative
  2. negative
  3. negative

36 papers more in this group

See all 40 papers →

calcium atom · growth · Solanum lycopersicum (tomato)Results differ

60 papers: 54 positive, 6 negative or no effect

53 papers in the same direction as this paper · 5 in the opposite direction · 1 reporting no difference from an alternative

This paper is about lacking the nutrient, so it counts the other way round here.

  1. negative
  2. no effect
  3. no effect

56 papers more in this group

See all 60 papers →

calcium atom · yield · Solanum lycopersicum (tomato)Results differ

79 papers: 67 positive, 12 negative or no effect

11 papers in the same direction as this paper · 67 in the opposite direction

  1. positive
  2. positive
  3. positive

75 papers more in this group

See all 79 papers →

calcium atom · physiology: antioxidant enzymes · Solanum lycopersicum (tomato)Positive and negative results

12 papers: 10 positive, 2 negative or no effect

1 paper in the same direction as this paper · 10 in the opposite direction

  1. positive
  2. positive
  3. positive

8 papers more in this group

See all 12 papers →

calcium atom · quality: phytochemicals · Solanum lycopersicum (tomato)Positive and negative results

14 papers: 12 positive, 2 negative or no effect

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

This paper is about lacking the nutrient, so it counts the other way round here.

  1. no effect
  2. negative
  3. positive

10 papers more in this group

See all 14 papers →

calcium atom · quality: general · Solanum lycopersicum (tomato)Positive and negative results

14 papers: 13 positive, 1 negative or no effect

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

This paper is about lacking the nutrient, so it counts the other way round here.

  1. no effect
  2. positive
  3. positive

10 papers more in this group

See all 14 papers →

calcium atom · physiology: pigments · Solanum lycopersicum (tomato)Positive and negative results

16 papers: 13 positive, 3 negative or no effect

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

  1. positive
  2. positive
  3. positive

12 papers more in this group

See all 16 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.