Paper · 2004 · Journal of Agronomy and Crop Science

Effect of Water Stress at Various Growth Stages on Some Quality Characteristics of Winter Wheat

A. Ozturk; F. Aydin

15
claims
32
verbatim quotes
197
citations
2
research areas
—
Not open access

Abstract

Abstract A field experiment was carried out in Erzurum (Turkey) on winter wheat to analyse the effect of water stress at different growth stages – fully irrigated (FI), rainfed (R), early water stress (EWS), late water stress (LWS) and continuous water stress (CWS), on some quality characteristics – in the 1995–96 and 1996–97 cropping seasons. Water stress had a substantial effect on most of the quality characteristics. As averages of cropping seasons, CWS, EWS, R and LWS treatments decreased grain yields by 65.5, 40.6, 30.5 and 24.0 %, respectively, compared with the FI treatment. CWS increased grain protein content by 18.1 %, sedimentation volume by 16.5 %, wet gluten content by 21.9 % and decreased 1000‐kernel weight by 7.5 g compared with FI treatment. LWS caused an increase of 8.3 % in grain protein content, 8.7 % in sedimentation volume, 10.8 % in wet gluten content and a reduction of 3.8 g in 1000‐kernel weight compared with FI. EWS and R increased sedimentation volume and wet gluten content, but decreased 1000‐kernel weight compared with FI. The effect of LWS on grain quality was more significant than that of EWS. The results suggest that soil moisture conditions increase grain yield and kernel weight of winter wheat but decrease its quality.

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Claims 15

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Continuous water stress decreased winter wheat grain yield by 65.5% compared with the fully irrigated treatment.

Taxon
winter wheatTriticum aestivume0
Treatment
continuous water stresse1
Outcome
grain yieldse2
Direction
decreasede2
Value
65.5e2
Comparator
FI treatmente2

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“on winter wheat”

✓ located verbatim in the source · abstract, characters 64–79 · show in text ↑
e1

“fully irrigated (FI), rainfed (R), early water stress (EWS), late water stress (LWS) and continuous water stress (CWS)”

✓ located verbatim in the source · abstract, characters 147–265 · show in text ↑
e2

“CWS, EWS, R and LWS treatments decreased grain yields by 65.5, 40.6, 30.5 and 24.0 %, respectively, compared with the FI treatment”

✓ located verbatim in the source · abstract, characters 457–587 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Early water stress decreased winter wheat grain yield by 40.6% compared with the fully irrigated treatment.

Taxon
winter wheatTriticum aestivume0
Treatment
early water stresse1
Outcome
grain yieldse2
Direction
decreasede2
Value
40.6e2
Comparator
FI treatmente2

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“on winter wheat”

✓ located verbatim in the source · abstract, characters 64–79 · show in text ↑
e1

“fully irrigated (FI), rainfed (R), early water stress (EWS), late water stress (LWS) and continuous water stress (CWS)”

✓ located verbatim in the source · abstract, characters 147–265 · show in text ↑
e2

“CWS, EWS, R and LWS treatments decreased grain yields by 65.5, 40.6, 30.5 and 24.0 %, respectively, compared with the FI treatment”

✓ located verbatim in the source · abstract, characters 457–587 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Rainfed winter wheat grain yield decreased by 30.5% compared with the fully irrigated treatment.

Taxon
winter wheatTriticum aestivume0
Treatment
rainfede1
Outcome
grain yieldse2
Direction
decreasede2
Value
30.5e2
Comparator
FI treatmente2

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“on winter wheat”

✓ located verbatim in the source · abstract, characters 64–79 · show in text ↑
e1

“fully irrigated (FI), rainfed (R), early water stress (EWS), late water stress (LWS) and continuous water stress (CWS)”

✓ located verbatim in the source · abstract, characters 147–265 · show in text ↑
e2

“CWS, EWS, R and LWS treatments decreased grain yields by 65.5, 40.6, 30.5 and 24.0 %, respectively, compared with the FI treatment”

✓ located verbatim in the source · abstract, characters 457–587 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Late water stress decreased winter wheat grain yield by 24.0% compared with the fully irrigated treatment.

Taxon
winter wheatTriticum aestivume0
Treatment
late water stresse1
Outcome
grain yieldse2
Direction
decreasede2
Value
24.0 %e2
Comparator
FI treatmente2

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“on winter wheat”

✓ located verbatim in the source · abstract, characters 64–79 · show in text ↑
e1

“fully irrigated (FI), rainfed (R), early water stress (EWS), late water stress (LWS) and continuous water stress (CWS)”

✓ located verbatim in the source · abstract, characters 147–265 · show in text ↑
e2

“CWS, EWS, R and LWS treatments decreased grain yields by 65.5, 40.6, 30.5 and 24.0 %, respectively, compared with the FI treatment”

✓ located verbatim in the source · abstract, characters 457–587 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Continuous water stress increased winter wheat grain protein content by 18.1% compared with the fully irrigated treatment.

Taxon
winter wheatTriticum aestivume0
Treatment
CWSe3
Outcome
grain protein contente3
Direction
increasede3
Value
18.1 %e3
Comparator
FI treatmente3

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“on winter wheat”

✓ located verbatim in the source · abstract, characters 64–79 · show in text ↑
e3

“CWS increased grain protein content by 18.1 %, sedimentation volume by 16.5 %, wet gluten content by 21.9 % and decreased 1000‐kernel weight by 7.5 g compared with FI treatment”

✓ located verbatim in the source · abstract, characters 589–765 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Continuous water stress increased winter wheat sedimentation volume by 16.5% compared with the fully irrigated treatment.

Taxon
winter wheatTriticum aestivume0
Treatment
CWSe3
Outcome
sedimentation volumee3
Direction
increasede3
Value
16.5 %e3
Comparator
FI treatmente3

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“on winter wheat”

✓ located verbatim in the source · abstract, characters 64–79 · show in text ↑
e3

“CWS increased grain protein content by 18.1 %, sedimentation volume by 16.5 %, wet gluten content by 21.9 % and decreased 1000‐kernel weight by 7.5 g compared with FI treatment”

✓ located verbatim in the source · abstract, characters 589–765 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Continuous water stress increased winter wheat wet gluten content by 21.9% compared with the fully irrigated treatment.

Taxon
winter wheatTriticum aestivume0
Treatment
CWSe3
Outcome
wet gluten contente3
Direction
increasede3
Value
21.9 %e3
Comparator
FI treatmente3

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“on winter wheat”

✓ located verbatim in the source · abstract, characters 64–79 · show in text ↑
e3

“CWS increased grain protein content by 18.1 %, sedimentation volume by 16.5 %, wet gluten content by 21.9 % and decreased 1000‐kernel weight by 7.5 g compared with FI treatment”

✓ located verbatim in the source · abstract, characters 589–765 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Continuous water stress decreased winter wheat kernel weight by 7.5 g compared with the fully irrigated treatment.

Taxon
winter wheatTriticum aestivume0
Treatment
CWSe3
Outcome
kernel weighte3
Direction
decreasede3
Value
7.5 ge3
Comparator
FI treatmente3

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“on winter wheat”

✓ located verbatim in the source · abstract, characters 64–79 · show in text ↑
e3

“CWS increased grain protein content by 18.1 %, sedimentation volume by 16.5 %, wet gluten content by 21.9 % and decreased 1000‐kernel weight by 7.5 g compared with FI treatment”

✓ located verbatim in the source · abstract, characters 589–765 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Late water stress increased winter wheat grain protein content by 8.3% compared with the fully irrigated treatment.

Taxon
winter wheatTriticum aestivume0
Treatment
LWSe4
Outcome
grain protein contente4
Direction
increasee4
Value
8.3 %e4
Comparator
FIe4

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“on winter wheat”

✓ located verbatim in the source · abstract, characters 64–79 · show in text ↑
e4

“LWS caused an increase of 8.3 % in grain protein content, 8.7 % in sedimentation volume, 10.8 % in wet gluten content and a reduction of 3.8 g in 1000‐kernel weight compared with FI”

✓ located verbatim in the source · abstract, characters 767–948 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Late water stress increased winter wheat sedimentation volume by 8.7% compared with the fully irrigated treatment.

Taxon
winter wheatTriticum aestivume0
Treatment
LWSe4
Outcome
sedimentation volumee4
Direction
increasee4
Value
8.7 %e4
Comparator
FIe4

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“on winter wheat”

✓ located verbatim in the source · abstract, characters 64–79 · show in text ↑
e4

“LWS caused an increase of 8.3 % in grain protein content, 8.7 % in sedimentation volume, 10.8 % in wet gluten content and a reduction of 3.8 g in 1000‐kernel weight compared with FI”

✓ located verbatim in the source · abstract, characters 767–948 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Late water stress increased winter wheat wet gluten content by 10.8% compared with the fully irrigated treatment.

Taxon
winter wheatTriticum aestivume0
Treatment
LWSe4
Outcome
wet gluten contente4
Direction
increasee4
Value
10.8 %e4
Comparator
FIe4

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“on winter wheat”

✓ located verbatim in the source · abstract, characters 64–79 · show in text ↑
e4

“LWS caused an increase of 8.3 % in grain protein content, 8.7 % in sedimentation volume, 10.8 % in wet gluten content and a reduction of 3.8 g in 1000‐kernel weight compared with FI”

✓ located verbatim in the source · abstract, characters 767–948 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Late water stress decreased winter wheat kernel weight by 3.8 g compared with the fully irrigated treatment.

Taxon
winter wheatTriticum aestivume0
Treatment
LWSe4
Outcome
kernel weighte4
Direction
reductione4
Value
3.8 ge4
Comparator
FIe4

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“on winter wheat”

✓ located verbatim in the source · abstract, characters 64–79 · show in text ↑
e4

“LWS caused an increase of 8.3 % in grain protein content, 8.7 % in sedimentation volume, 10.8 % in wet gluten content and a reduction of 3.8 g in 1000‐kernel weight compared with FI”

✓ located verbatim in the source · abstract, characters 767–948 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

The effect of late water stress on grain quality was more significant than that of early water stress.

Taxon
winter wheatTriticum aestivume0
Treatment
LWSe6
Outcome
grain qualitye6
Direction
more significante6
Comparator
EWSe6

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“on winter wheat”

✓ located verbatim in the source · abstract, characters 64–79 · show in text ↑
e6

“The effect of LWS on grain quality was more significant than that of EWS”

✓ located verbatim in the source · abstract, characters 1066–1138 · show in text ↑
Associationauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Soil moisture conditions increase grain yield and kernel weight of winter wheat.

Taxon
winter wheatTriticum aestivume7
Treatment
soil moisture conditionse7
Outcome
grain yield and kernel weighte7
Direction
increasee7

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e7

“soil moisture conditions increase grain yield and kernel weight of winter wheat but decrease its quality”

✓ located verbatim in the source · abstract, characters 1165–1269 · show in text ↑
Associationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Soil moisture conditions decrease the quality of winter wheat grain.

Taxon
winter wheatTriticum aestivume7
Treatment
soil moisture conditionse7
Outcome
qualitye7
Direction
decreasee7

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e7

“soil moisture conditions increase grain yield and kernel weight of winter wheat but decrease its quality”

✓ located verbatim in the source · abstract, characters 1165–1269 · show in text ↑

rainfall · yield · Triticum aestivum (wheat)Results differ

81 papers: 32 positive, 49 negative or no effect

48 papers in the same direction as this paper · 32 in the opposite direction

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drought · yield · Triticum aestivum (wheat)Positive and negative results

632 papers: 95 positive, 537 negative or no effect

536 papers in the same direction as this paper · 95 in the opposite direction

  1. positive
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628 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.