Paper · 2011 · Iran agricultural research

Influence of Zn and K Sprays on Fruit and Pulp Growth in Olive (Olea europaea L. cv. ‘Amygdalifolia’)

Sadrollah Ramezani; Akhtar Shekafandeh

5
claims
9
verbatim quotes
9
citations
1
research areas
—
Not open access

Abstract

Thisstudy was carried out on olive trees cv. Amygdalifolia, to investigate the effect of spraying potassium nitrate (K NO3)and zinc sulfate (ZnSO4)on the fruit weight ,dimension and volume.The plants were sprayed with 0,0.5,1.0 and1.5% KNO3 and0,0.25,0.50 and0.75% ZnSO4 and their combinations in August about halfway through the fruit growth period. The highest fruit weight was observed using 0.5% ZnSO4 +0.5% KNO3.Fruit length and diameter were affected significantly using different ZnSO 4 concentrations especially in combination with KNO 3. The fruit, pulp and pulp/pit volume increased by increasing ZnSOconcentrations. The highest fruit, pulp and pulp/pit volume were also obtained from trees treated with 0.5% ZnSO4 +0.5% KNO 3. Our results emphasize t he importance of an appropriate fertilization management, particularly for table olives, in which fruit size, and pulp/pit ratio are important characteristics.

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Claims 5

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Spraying 0.5% ZnSO4 + 0.5% KNO3 gave the highest fruit weight in olive trees.

Taxon
olive treesOlea europaeae0
Material
cv. Amygdalifoliae0
Treatment
0.5% ZnSO4 +0.5% KNO3e1
Outcome
fruit weighte1
Direction
higheste1

Not reportedComparator

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

Olea europaea
Olea europaea · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Thisstudy was carried out on olive trees cv. Amygdalifolia”

✓ located verbatim in the source · abstract, characters 0–58 · show in text ↑
e1

“The highest fruit weight was observed using 0.5% ZnSO4 +0.5% KNO3”

✓ located verbatim in the source · abstract, characters 351–416 · show in text ↑
Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Fruit length and diameter of olive trees were significantly affected by different ZnSO4 concentrations.

Taxon
olive treesOlea europaeae0
Treatment
different ZnSO 4 concentrationse2
Outcome
Fruit length and diametere2

Not reportedComparatorDirection

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

Olea europaea
Olea europaea · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Thisstudy was carried out on olive trees cv. Amygdalifolia”

✓ located verbatim in the source · abstract, characters 0–58 · show in text ↑
e2

“Fruit length and diameter were affected significantly using different ZnSO 4 concentrations especially in combination with KNO 3”

✓ located verbatim in the source · abstract, characters 417–545 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Fruit, pulp and pulp/pit volume of olive increased as ZnSO4 concentration increased.

Taxon
olive treesOlea europaeae0
Treatment
increasing ZnSOconcentrationse3
Outcome
fruit, pulp and pulp/pit volumee3
Direction
increasede3

Not reportedComparator

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

Olea europaea
Olea europaea · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Thisstudy was carried out on olive trees cv. Amygdalifolia”

✓ located verbatim in the source · abstract, characters 0–58 · show in text ↑
e3

“The fruit, pulp and pulp/pit volume increased by increasing ZnSOconcentrations”

✓ located verbatim in the source · abstract, characters 547–625 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The highest fruit, pulp and pulp/pit volume of olive came from trees sprayed with 0.5% ZnSO4 + 0.5% KNO3.

Taxon
olive treesOlea europaeae0
Treatment
0.5% ZnSO4 +0.5% KNO 3e4
Outcome
fruit, pulp and pulp/pit volumee4
Direction
higheste4

Not reportedComparator

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

Olea europaea
Olea europaea · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Thisstudy was carried out on olive trees cv. Amygdalifolia”

✓ located verbatim in the source · abstract, characters 0–58 · show in text ↑
e4

“The highest fruit, pulp and pulp/pit volume were also obtained from trees treated with 0.5% ZnSO4 +0.5% KNO 3”

✓ located verbatim in the source · abstract, characters 627–736 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors recommend appropriate fertilization management for table olives.

Taxon
table olivese5
Outcome
appropriate fertilization managemente5

Verbatim

e5

“Our results emphasize t he importance of an appropriate fertilization management, particularly for table olives”

✓ located verbatim in the source · abstract, characters 738–849 · show in text ↑

potassium nitrate · yield · Olea europaea (common olive)Results agree

3 papers: 3 positive, 0 negative or no effect

2 papers in the same direction as this paper

  1. positive
  2. positive
See all 3 papers →

zinc sulfate · yield · Olea europaea (common olive)Results agree

10 papers: 10 positive, 0 negative or no effect

9 papers in the same direction as this paper

  1. positive
  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.