Paper · 2017 · Irrigation and Drainage

Effect of Deficit Irrigation Regimes on Yield and Fruit Quality of Olive Trees (cv. Memecik) on the Aegean Coast of Turkey

Ü. Kaya; F. Öztürk Güngör; G. Çamoğlu; et al.

10
claims
20
verbatim quotes
11
citations
2
research areas
—
Not open access

Abstract

Abstract In this study, six different irrigation treatments were applied to an olive orchard using the drip irrigation method. Five of these were arranged according to 25% (S 0.25 ), 50% (S 0.50 ), 75% (S 0.75 ), 100% (S 1.00 ) and 125% (S 1.25 ) of the evaporation in 5 days of a class ‘A’ evaporation pan, and one control (S C ) was arranged so as to bring the reducing moisture at a soil depth of 0–90 cm to field capacity. Yield values were not affected by the irrigation treatment ( p > 0.05). In contrast, 100‐fruit weight, pulp ratio, hardness moisture, oil, reducing sugar content and bitterness were affected by irrigation ( p < 0.05). Generally, an increase in the amount of irrigation water given in the study was accompanied by a fall in ripeness index values, a rise in moisture content, and a reduction in the oil content of fruit. The highest content of reducing sugar was obtained from S 0.25 , generally being lower with increase in the water applied. The findings show that application of 25% of the evaporation of a class ‘A’ evaporation pan (treatment S 0.25 ) can be recommended for cv. Memecik. Application of this recommendation can achieve a 72% saving in water and make a significant contribution to the conservation of limited water resources. Copyright © 2017 John Wiley & Sons, Ltd.

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Claims 10

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Irrigation treatment did not affect olive yield.

Taxon
Olive TreesOlea europaeat0
Treatment
irrigation treatmente1
Outcome
Yield valuese1
Direction
not affectede1

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

t0

“Olive Trees”

✓ located verbatim in the source · title, characters 67–78 · show in text ↑
e1

“Yield values were not affected by the irrigation treatment ( p > 0.05)”

✓ located verbatim in the source · abstract, characters 427–497 · show in text ↑
Intervention effectobservedoriginal resultmixedsignificant (as stated)measured

Claim · model-written summary

Irrigation affected 100-fruit weight and pulp ratio.

Taxon
Olive TreesOlea europaeat0
Treatment
irrigatione1
Outcome
fruit weight, pulp ratioe1

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

t0

“Olive Trees”

✓ located verbatim in the source · title, characters 67–78 · show in text ↑
e1

“fruit weight, pulp ratio, hardness moisture, oil, reducing sugar content and bitterness were affected by irrigation”

✓ located verbatim in the source · abstract, characters 516–631 · show in text ↑
Intervention effectobservedoriginal resultmixedsignificant (as stated)measured

Claim · model-written summary

Irrigation affected hardness, moisture and oil.

Taxon
Olive TreesOlea europaeat0
Treatment
irrigatione1
Outcome
hardness moisture, oile1

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

t0

“Olive Trees”

✓ located verbatim in the source · title, characters 67–78 · show in text ↑
e1

“fruit weight, pulp ratio, hardness moisture, oil, reducing sugar content and bitterness were affected by irrigation”

✓ located verbatim in the source · abstract, characters 516–631 · show in text ↑
Intervention effectobservedoriginal resultmixedsignificant (as stated)measured

Claim · model-written summary

Irrigation affected reducing sugar content and bitterness.

Taxon
Olive TreesOlea europaeat0
Treatment
irrigatione1
Outcome
reducing sugar content and bitternesse1

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

t0

“Olive Trees”

✓ located verbatim in the source · title, characters 67–78 · show in text ↑
e1

“fruit weight, pulp ratio, hardness moisture, oil, reducing sugar content and bitterness were affected by irrigation”

✓ located verbatim in the source · abstract, characters 516–631 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

More irrigation water was accompanied by a fall in ripeness index values.

Taxon
Olive TreesOlea europaeat0
Treatment
increase in the amount of irrigation watere1
Outcome
ripeness index valuese1
Direction
falle1

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

t0

“Olive Trees”

✓ located verbatim in the source · title, characters 67–78 · show in text ↑
e1

“an increase in the amount of irrigation water given in the study was accompanied by a fall in ripeness index values, a rise in moisture content, and a reduction in the oil content of fruit”

✓ located verbatim in the source · abstract, characters 656–844 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

More irrigation water was accompanied by a rise in moisture content of fruit.

Taxon
Olive TreesOlea europaeat0
Treatment
increase in the amount of irrigation watere1
Outcome
moisture contente1
Direction
risee1

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

t0

“Olive Trees”

✓ located verbatim in the source · title, characters 67–78 · show in text ↑
e1

“an increase in the amount of irrigation water given in the study was accompanied by a fall in ripeness index values, a rise in moisture content, and a reduction in the oil content of fruit”

✓ located verbatim in the source · abstract, characters 656–844 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

More irrigation water was accompanied by a reduction in fruit oil content.

Taxon
Olive TreesOlea europaeat0
Treatment
increase in the amount of irrigation watere1
Outcome
oil contente1
Direction
reductione1

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

t0

“Olive Trees”

✓ located verbatim in the source · title, characters 67–78 · show in text ↑
e1

“an increase in the amount of irrigation water given in the study was accompanied by a fall in ripeness index values, a rise in moisture content, and a reduction in the oil content of fruit”

✓ located verbatim in the source · abstract, characters 656–844 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

The S 0.25 treatment gave the highest reducing sugar content.

Taxon
Olive TreesOlea europaeat0
Treatment
S 0.25e1
Outcome
content of reducing sugare1
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

t0

“Olive Trees”

✓ located verbatim in the source · title, characters 67–78 · show in text ↑
e1

“The highest content of reducing sugar was obtained from S 0.25”

✓ located verbatim in the source · abstract, characters 846–908 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Applying 25% of class A pan evaporation can be recommended for cv. Memecik.

Taxon
Olive TreesOlea europaeat0
Material
Memecike1
Outcome
application of 25% of the evaporation of a class ‘A’ evaporation pane1

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

t0

“Olive Trees”

✓ located verbatim in the source · title, characters 67–78 · show in text ↑
e1

“The findings show that application of 25% of the evaporation of a class ‘A’ evaporation pan (treatment S 0.25 ) can be recommended for cv. Memecik”

✓ located verbatim in the source · abstract, characters 969–1115 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The recommended irrigation can save 72% of water.

Taxon
Olive TreesOlea europaeat0
Outcome
saving in watere1
Value
72%e1

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

t0

“Olive Trees”

✓ located verbatim in the source · title, characters 67–78 · show in text ↑
e1

“can achieve a 72% saving in water”

✓ located verbatim in the source · abstract, characters 1152–1185 · show in text ↑

irrigation · yield · Olea europaea (common olive)Results differ

53 papers: 26 positive, 27 negative or no effect

26 papers in the same direction as this paper · 26 in the opposite direction

  1. positive
  2. positive
  3. positive

49 papers more in this group

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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.