Paper · 2025 · Spanish Journal of Agricultural Research

Yield and fruit quality attributes of apple cultivars under semi-arid conditions of Türkiye: comparison of organic and conventional production systems

Derya Kilic; Tayfun Keles; Oguzhan Caliskan

19
claims
38
verbatim quotes
1
citations
2
research areas
✓
Open access · cc-by

Abstract

Aim of study: This study was conducted to compare the fruit quality and yield characteristics of six apple cultivars grown organically and conventionally under semi-arid ecological conditions in Center Anatolia of Türkiye. Area of study: Organic and conventional apple orchards, Konya, Türkiye. Material and methods: In organic and conventional apple orchards, ‘Buckeye Gala’, ‘Golden Delicious’, ‘Granny Smith’, and ‘Jeromine’ cultivars were planted on M9 rootstock at a distance of 0.80 m × 3.2 m, and ‘Red Chief’, and ‘Scarlet Spur’ cultivars were planted on MM106 rootstock at a distance of 1.0 m × 3.2 m in 2002. The yield characteristics and fruit quality analysis were studied in two consecutive years (2019/2020 and 2020/2021). Main results: Organic and conventional cultivation systems had different effects on the yield and fruit quality characteristics depending on the apple cultivars. The yield per tree and the yield per hectare were higher for the organically grown ‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’, while they were higher for the conventionally grown ‘Buckeye Gala’, ‘Granny Smith’, and ‘Golden Delicious’. The values of fruit size were higher for organically grown ‘Golden Delicious’, ‘Red Chief’, ‘Scarlet Spur’, and ‘Jeromine’. The highest values for total soluble solids (TSS) and acidity (except for Granny Smith and Golden Delicious) were obtained in organic production system. In addition, the fruit peel color of ‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’ was redder, and of ‘Granny Smith’ was greener in the organic production system compared to conventional ones. Research highlights: ‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’ cultivars were remarkably suitable for organic apple cultivation under semi-arid ecological conditions in Centeral Anatolia of Türkiye.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. 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 19

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Organic production gave higher yield per tree and hectare in Jeromine.

Material
‘Jeromine’e0
Treatment
organically growne0
Outcome
yield per tree and the yield per hectaree0
Direction
highere0
Comparator
conventionally growne0

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

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

Verbatim

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“The yield per tree and the yield per hectare were higher for the organically grown ‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’, while they were higher for the conventionally grown ‘Buckeye Gala’, ‘Granny Smith’, and ‘Golden Delicious’.”

✓ located verbatim in the source · abstract, characters 898–1133 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Organic production gave higher yield per tree and hectare in Red Chief.

Material
‘Red Chief’e0
Treatment
organically growne0
Outcome
yield per tree and the yield per hectaree0
Direction
highere0
Comparator
conventionally growne0

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

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

Verbatim

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“The yield per tree and the yield per hectare were higher for the organically grown ‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’, while they were higher for the conventionally grown ‘Buckeye Gala’, ‘Granny Smith’, and ‘Golden Delicious’.”

✓ located verbatim in the source · abstract, characters 898–1133 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Organic production gave higher yield per tree and hectare in Scarlet Spur.

Material
‘Scarlet Spur’e0
Treatment
organically growne0
Outcome
yield per tree and the yield per hectaree0
Direction
highere0
Comparator
conventionally growne0

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

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

Verbatim

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“The yield per tree and the yield per hectare were higher for the organically grown ‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’, while they were higher for the conventionally grown ‘Buckeye Gala’, ‘Granny Smith’, and ‘Golden Delicious’.”

✓ located verbatim in the source · abstract, characters 898–1133 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Conventional production gave higher yield per tree and hectare in Buckeye Gala.

Material
‘Buckeye Gala’e0
Treatment
conventionally growne0
Outcome
yield per tree and the yield per hectaree0
Direction
highere0
Comparator
organically growne0

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

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

Verbatim

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“The yield per tree and the yield per hectare were higher for the organically grown ‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’, while they were higher for the conventionally grown ‘Buckeye Gala’, ‘Granny Smith’, and ‘Golden Delicious’.”

✓ located verbatim in the source · abstract, characters 898–1133 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Conventional production gave higher yield per tree and hectare in Granny Smith.

Material
‘Granny Smith’e0
Treatment
conventionally growne0
Outcome
yield per tree and the yield per hectaree0
Direction
highere0
Comparator
organically growne0

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

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

Verbatim

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“The yield per tree and the yield per hectare were higher for the organically grown ‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’, while they were higher for the conventionally grown ‘Buckeye Gala’, ‘Granny Smith’, and ‘Golden Delicious’.”

✓ located verbatim in the source · abstract, characters 898–1133 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Conventional production gave higher yield per tree and hectare in Golden Delicious.

Material
‘Golden Delicious’e0
Treatment
conventionally growne0
Outcome
yield per tree and the yield per hectaree0
Direction
highere0
Comparator
organically growne0

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

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

Verbatim

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“The yield per tree and the yield per hectare were higher for the organically grown ‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’, while they were higher for the conventionally grown ‘Buckeye Gala’, ‘Granny Smith’, and ‘Golden Delicious’.”

✓ located verbatim in the source · abstract, characters 898–1133 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Organic Golden Delicious had larger fruit size.

Material
‘Golden Delicious’e0
Treatment
organically growne0
Outcome
fruit sizee0
Direction
highere0

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

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“The values of fruit size were higher for organically grown ‘Golden Delicious’, ‘Red Chief’, ‘Scarlet Spur’, and ‘Jeromine’.”

✓ located verbatim in the source · abstract, characters 1134–1257 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Organic Red Chief had larger fruit size.

Material
‘Red Chief’e0
Treatment
organically growne0
Outcome
fruit sizee0
Direction
highere0

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

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“The values of fruit size were higher for organically grown ‘Golden Delicious’, ‘Red Chief’, ‘Scarlet Spur’, and ‘Jeromine’.”

✓ located verbatim in the source · abstract, characters 1134–1257 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Organic Scarlet Spur had larger fruit size.

Material
‘Scarlet Spur’e0
Treatment
organically growne0
Outcome
fruit sizee0
Direction
highere0

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

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“The values of fruit size were higher for organically grown ‘Golden Delicious’, ‘Red Chief’, ‘Scarlet Spur’, and ‘Jeromine’.”

✓ located verbatim in the source · abstract, characters 1134–1257 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Organic Jeromine had larger fruit size.

Material
‘Jeromine’e0
Treatment
organically growne0
Outcome
fruit sizee0
Direction
highere0

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

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“The values of fruit size were higher for organically grown ‘Golden Delicious’, ‘Red Chief’, ‘Scarlet Spur’, and ‘Jeromine’.”

✓ located verbatim in the source · abstract, characters 1134–1257 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Organic production had the highest total soluble solids.

Treatment
organic production systeme0
Outcome
total soluble solids (TSS)e0
Direction
higheste0

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

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“The highest values for total soluble solids (TSS) and acidity (except for Granny Smith and Golden Delicious) were obtained in organic production system.”

✓ located verbatim in the source · abstract, characters 1258–1410 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Organic production had the highest acidity except for Granny Smith and Golden Delicious.

Treatment
organic production systeme0
Outcome
aciditye0
Direction
higheste0
Qualifier
except for Granny Smith and Golden Deliciouse0

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

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“The highest values for total soluble solids (TSS) and acidity (except for Granny Smith and Golden Delicious) were obtained in organic production system.”

✓ located verbatim in the source · abstract, characters 1258–1410 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Organic Jeromine peel was redder than conventional peel.

Material
‘Jeromine’e0
Treatment
organic production systeme0
Outcome
fruit peel colore0
Direction
reddere0
Comparator
conventional onese0

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

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

Verbatim

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“the fruit peel color of ‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’ was redder, and of ‘Granny Smith’ was greener in the organic production system compared to conventional ones.”

✓ located verbatim in the source · abstract, characters 1424–1601 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Organic Red Chief peel was redder than conventional peel.

Material
‘Red Chief’e0
Treatment
organic production systeme0
Outcome
fruit peel colore0
Direction
reddere0
Comparator
conventional onese0

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

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

Verbatim

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“the fruit peel color of ‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’ was redder, and of ‘Granny Smith’ was greener in the organic production system compared to conventional ones.”

✓ located verbatim in the source · abstract, characters 1424–1601 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Organic Scarlet Spur peel was redder than conventional peel.

Material
‘Scarlet Spur’e0
Treatment
organic production systeme0
Outcome
fruit peel colore0
Direction
reddere0
Comparator
conventional onese0

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

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

Verbatim

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“the fruit peel color of ‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’ was redder, and of ‘Granny Smith’ was greener in the organic production system compared to conventional ones.”

✓ located verbatim in the source · abstract, characters 1424–1601 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Organic Granny Smith peel was greener than conventional peel.

Material
‘Granny Smith’e0
Treatment
organic production systeme0
Outcome
fruit peel colore0
Direction
greenere0
Comparator
conventional onese0

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

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

Verbatim

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“the fruit peel color of ‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’ was redder, and of ‘Granny Smith’ was greener in the organic production system compared to conventional ones.”

✓ located verbatim in the source · abstract, characters 1424–1601 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Authors judged Jeromine suitable for organic cultivation under semi-arid Central Anatolia conditions.

Material
‘Jeromine’e0
Outcome
remarkably suitable for organic apple cultivatione0

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

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

Verbatim

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’ cultivars were remarkably suitable for organic apple cultivation under semi-arid ecological conditions in Centeral Anatolia of Türkiye.”

✓ located verbatim in the source · abstract, characters 1623–1802 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Authors judged Red Chief suitable for organic cultivation under semi-arid Central Anatolia conditions.

Material
‘Red Chief’e0
Outcome
remarkably suitable for organic apple cultivatione0

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

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

Verbatim

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’ cultivars were remarkably suitable for organic apple cultivation under semi-arid ecological conditions in Centeral Anatolia of Türkiye.”

✓ located verbatim in the source · abstract, characters 1623–1802 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Authors judged Scarlet Spur suitable for organic cultivation under semi-arid Central Anatolia conditions.

Material
‘Scarlet Spur’e0
Outcome
remarkably suitable for organic apple cultivatione0

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

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

Verbatim

t0

“apple cultivars”

✓ located verbatim in the source · title, characters 38–53 · show in text ↑
e0

“‘Jeromine’, ‘Red Chief’, and ‘Scarlet Spur’ cultivars were remarkably suitable for organic apple cultivation under semi-arid ecological conditions in Centeral Anatolia of Türkiye.”

✓ located verbatim in the source · abstract, characters 1623–1802 · show in text ↑

cultivation system · quality: sugar starch · Malus domestica (apple)Positive and negative results

3 papers: 2 positive, 1 negative or no effect

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

  1. no effect
  2. positive
See all 3 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.