Paper · 2007 · Indian Journal of Agricultural Research

Effect of irrigation levels on consumptive water use, soil moisture extraction pattern and water use efficiency of different wheat genotypes

A. K. Dhaka; A.S. Bangarwa; R. K. Pannu; et al.

7
claims
15
verbatim quotes
5
citations
2
research areas
—
Not open access

Abstract

A field experiment was carried out in split plot design, replicated thrice with main plot treatments comprised of three irrigation levels and six genotypes of wheat in sub plots. The periodic and seasonal consumptive water use reduced as and when the plants were exposed to water stress. The water stress during reproductive phase could reduce the consumptive use more than the early stress during vegetative phase. The restricted irrigation caused significant reduction in seed yield but the plants showed greater sensitivity to water stress during vegetative phase. The soil moisture extraction decreased with the soil depth. However, the depletion from lower layers was more under stress conditions. Among the genotypes, highest yield and water use efficiency was observed in PBW-343.

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Claims 7

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Water stress reduced consumptive water use of wheat.

Treatment
water stresse1
Outcome
consumptive water usee1
Direction
reducede1
Setting
fielde0

Not reportedComparator

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

t0

“different wheat genotypes”

✓ located verbatim in the source · title, characters 115–140 · show in text ↑
e0

“A field experiment was carried out in split plot design”

✓ located verbatim in the source · abstract, characters 0–55 · show in text ↑
e1

“The periodic and seasonal consumptive water use reduced as and when the plants were exposed to water stress”

✓ located verbatim in the source · abstract, characters 179–286 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Water stress during the reproductive phase reduced consumptive use more than early stress during the vegetative phase in wheat.

Organ / stage
reproductive phasee2
Treatment
water stress during reproductive phasee2
Outcome
consumptive usee2
Direction
reducee2
Comparator
early stress during vegetative phasee2

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

t0

“different wheat genotypes”

✓ located verbatim in the source · title, characters 115–140 · show in text ↑
e2

“The water stress during reproductive phase could reduce the consumptive use more than the early stress during vegetative phase”

✓ located verbatim in the source · abstract, characters 288–414 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Restricted irrigation significantly reduced seed yield of wheat.

Treatment
restricted irrigatione3
Outcome
seed yielde3
Direction
reductione3

Not reportedComparator

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

t0

“different wheat genotypes”

✓ located verbatim in the source · title, characters 115–140 · show in text ↑
e3

“The restricted irrigation caused significant reduction in seed yield but the plants showed greater sensitivity to water stress during vegetative phase”

✓ located verbatim in the source · abstract, characters 416–566 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Wheat plants were more sensitive to water stress during the vegetative phase.

Organ / stage
vegetative phasee3
Treatment
water stress during vegetative phasee3
Outcome
sensitivity to water stresse3
Direction
greatere3

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

t0

“different wheat genotypes”

✓ located verbatim in the source · title, characters 115–140 · show in text ↑
e3

“The restricted irrigation caused significant reduction in seed yield but the plants showed greater sensitivity to water stress during vegetative phase”

✓ located verbatim in the source · abstract, characters 416–566 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Soil moisture extraction in wheat decreased with soil depth.

Treatment
soil depthe4
Outcome
soil moisture extractione4
Direction
decreasede4

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

t0

“different wheat genotypes”

✓ located verbatim in the source · title, characters 115–140 · show in text ↑
e4

“The soil moisture extraction decreased with the soil depth”

✓ located verbatim in the source · abstract, characters 568–626 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Depletion of soil moisture from lower layers was greater under stress in wheat.

Treatment
stress conditionse5
Outcome
depletion from lower layerse5
Direction
moree5

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

t0

“different wheat genotypes”

✓ located verbatim in the source · title, characters 115–140 · show in text ↑
e5

“the depletion from lower layers was more under stress conditions”

✓ located verbatim in the source · abstract, characters 637–701 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Wheat genotype PBW-343 had the highest yield and water use efficiency.

Material
PBW-343e6
Outcome
yield and water use efficiencye6
Qualifier
higheste6

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

t0

“different wheat genotypes”

✓ located verbatim in the source · title, characters 115–140 · show in text ↑
e6

“highest yield and water use efficiency was observed in PBW-343”

✓ located verbatim in the source · abstract, characters 724–786 · show in text ↑

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

989 papers: 798 positive, 191 negative or no effect

190 papers in the same direction as this paper · 798 in the opposite direction

  1. positive
  2. positive
  3. positive

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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.