Paper · 2011 · Communications in Soil Science and Plant Analysis

Improvement in Reproductive Development, Seed Yield, and Quality in Wheat by Zinc Application to a Soil Deficient in Zinc

Nirmala Nautiyal; Shikha Yadav; Digvijay Singh

6
claims
18
verbatim quotes
13
citations
3
research areas
—
Not open access

Abstract

A pot experiment was done to study the effect of zinc (Zn) application on the reproductive development and quality of wheat (Triticum aestivum L. cv. SP 343) seeds. The soil was low in diethylenetriaminepentaacetate (DTPA)–extractable Zn and was fortified with a mixture of nitrogen, phosphorus, and potassium (NPK) as basal fertilizers. Four treatments included a control (no Zn), 5 mg Zn, 10 mg Zn, and 10 mg Zn kg−1 soil with urea instead of ammonium nitrate. Zinc addition improved the pollen-producing capacity of anthers, pollen viability, and seed yield with an increase in seed Zn, phytate, and starch contents but decreased the phytate/zinc molar ratio at 5 mg Zn kg−1 and increased it at 10 mg Zn kg−1. Application of urea increased the seed protein content at 10 mg Zn kg−1 but was ineffective in lowering the phytate/Zn ratio, which was still less than the alarming level.

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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 6

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Zinc application improved pollen-producing capacity of anthers, pollen viability and seed yield of wheat relative to the control.

Material
SP 343e0
Treatment
zinc (Zn) applicatione0
Outcome
pollen-producing capacity of anthers, pollen viability, and seed yielde1
Direction
improvede1
Comparator
control (no Zn)e2
Setting
pot experimente0

Not reportedValue

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

“A pot experiment was done to study the effect of zinc (Zn) application on the reproductive development and quality of wheat (Triticum aestivum L. cv. SP 343) seeds”

✓ located verbatim in the source · abstract, characters 0–163 · show in text ↑
e1

“Zinc addition improved the pollen-producing capacity of anthers, pollen viability, and seed yield”

✓ located verbatim in the source · abstract, characters 463–560 · show in text ↑
e2

“Four treatments included a control (no Zn), 5 mg Zn, 10 mg Zn, and 10 mg Zn kg−1 soil with urea instead of ammonium nitrate”

✓ located verbatim in the source · abstract, characters 338–461 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Zinc addition increased seed Zn, phytate and starch contents of wheat relative to the control.

Treatment
Zinc additione1
Outcome
seed Zn, phytate, and starch contentse1
Direction
increasee1
Comparator
control (no Zn)e2

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

“A pot experiment was done to study the effect of zinc (Zn) application on the reproductive development and quality of wheat (Triticum aestivum L. cv. SP 343) seeds”

✓ located verbatim in the source · abstract, characters 0–163 · show in text ↑
e1

“Zinc addition improved the pollen-producing capacity of anthers, pollen viability, and seed yield with an increase in seed Zn, phytate, and starch contents”

✓ located verbatim in the source · abstract, characters 463–618 · show in text ↑
e2

“Four treatments included a control (no Zn), 5 mg Zn, 10 mg Zn, and 10 mg Zn kg−1 soil with urea instead of ammonium nitrate”

✓ located verbatim in the source · abstract, characters 338–461 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

At 5 mg Zn kg−1 soil, zinc decreased the phytate/zinc molar ratio of wheat seed.

Treatment
5 mg Zn kg−1e3
Outcome
phytate/zinc molar ratioe3
Direction
decreasede3
Comparator
control (no Zn)e2

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

“A pot experiment was done to study the effect of zinc (Zn) application on the reproductive development and quality of wheat (Triticum aestivum L. cv. SP 343) seeds”

✓ located verbatim in the source · abstract, characters 0–163 · show in text ↑
e2

“Four treatments included a control (no Zn), 5 mg Zn, 10 mg Zn, and 10 mg Zn kg−1 soil with urea instead of ammonium nitrate”

✓ located verbatim in the source · abstract, characters 338–461 · show in text ↑
e3

“decreased the phytate/zinc molar ratio at 5 mg Zn kg−1 and increased it at 10 mg Zn kg−1”

✓ located verbatim in the source · abstract, characters 623–711 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

At 10 mg Zn kg−1 soil, zinc increased the phytate/zinc molar ratio of wheat seed.

Treatment
10 mg Zn kg−1e3
Outcome
phytate/zinc molar ratioe3
Direction
increasede3
Comparator
control (no Zn)e2

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

“A pot experiment was done to study the effect of zinc (Zn) application on the reproductive development and quality of wheat (Triticum aestivum L. cv. SP 343) seeds”

✓ located verbatim in the source · abstract, characters 0–163 · show in text ↑
e2

“Four treatments included a control (no Zn), 5 mg Zn, 10 mg Zn, and 10 mg Zn kg−1 soil with urea instead of ammonium nitrate”

✓ located verbatim in the source · abstract, characters 338–461 · show in text ↑
e3

“decreased the phytate/zinc molar ratio at 5 mg Zn kg−1 and increased it at 10 mg Zn kg−1”

✓ located verbatim in the source · abstract, characters 623–711 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Urea application increased seed protein content of wheat at 10 mg Zn kg−1 soil compared with ammonium nitrate.

Treatment
Application of ureae4
Outcome
seed protein contente4
Direction
increasede4
Comparator
ammonium nitratee2

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

“A pot experiment was done to study the effect of zinc (Zn) application on the reproductive development and quality of wheat (Triticum aestivum L. cv. SP 343) seeds”

✓ located verbatim in the source · abstract, characters 0–163 · show in text ↑
e2

“Four treatments included a control (no Zn), 5 mg Zn, 10 mg Zn, and 10 mg Zn kg−1 soil with urea instead of ammonium nitrate”

✓ located verbatim in the source · abstract, characters 338–461 · show in text ↑
e4

“Application of urea increased the seed protein content at 10 mg Zn kg−1 but was ineffective in lowering the phytate/Zn ratio, which was still less than the alarming level”

✓ located verbatim in the source · abstract, characters 713–883 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Urea application was ineffective in lowering the phytate/Zn ratio of wheat seed, which remained below the alarming level.

Treatment
Application of ureae4
Outcome
phytate/Zn ratioe4
Direction
ineffective in loweringe4
Qualifier
still less than the alarming levele4
Comparator
ammonium nitratee2

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

“A pot experiment was done to study the effect of zinc (Zn) application on the reproductive development and quality of wheat (Triticum aestivum L. cv. SP 343) seeds”

✓ located verbatim in the source · abstract, characters 0–163 · show in text ↑
e2

“Four treatments included a control (no Zn), 5 mg Zn, 10 mg Zn, and 10 mg Zn kg−1 soil with urea instead of ammonium nitrate”

✓ located verbatim in the source · abstract, characters 338–461 · show in text ↑
e4

“Application of urea increased the seed protein content at 10 mg Zn kg−1 but was ineffective in lowering the phytate/Zn ratio, which was still less than the alarming level”

✓ located verbatim in the source · abstract, characters 713–883 · show in text ↑

zinc atom · yield · Triticum aestivum (wheat)Results differ

511 papers: 456 positive, 55 negative or no effect

455 papers in the same direction as this paper · 49 in the opposite direction · 6 reporting no difference from an alternative

  1. positive
  2. positive
  3. no effect

507 papers more in this group

See all 511 papers →

nitrogen · molecular: metabolites · Triticum aestivum (wheat)Positive and negative results

166 papers: 114 positive, 52 negative or no effect

51 papers in the same direction as this paper · 114 reporting no difference from an alternative

  1. positive
    N deficiency slowed grain N accumulation.

    Co-ordinated expression of amino acid metabolism in response to N and S deficiency during wheat grain filling · 2008

    No difference from an alternativeAbout lacking this nutrient, so it counts the other way round

  2. positive
  3. positive

162 papers more in this group

See all 166 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.