Paper · 2008 · Mailei zuowu xuebao

Effect of Zn~(2+) on Dry Matter and Zinc Accumulation in Wheat Seedling

Chunxi Li

5
claims
9
verbatim quotes
6
citations
1
research areas
—
Not open access

Abstract

With hydroponic culture,we studied the effects of Zn2+ on dry matter and zinc accumulation in wheat seedlings using Chang 5864 as the experimental material.In this paper,Zn2+ concentration in cultivating solution was 30 and 60 mg·L-1,respectively,and 0 mg·L-1 Zn was set as control.Seedling root and plumule were gathered every day from 4 d to 13 d after cultivation.We measured dry matter weight,and analyzed zinc concentration by atomic absorption spectrometry.The results showed that the dry matter accumulation in seedling root and plumule were all significantly improved under Zn treatment.The root dry matter accumulation was affected more intensively by Zn2+ than the plumule,and which indicated that the root was more sensitive to exterior Zn2+.Zinc content and accumulation in root and plumule of wheat seedling were all increased under Zn treatment.In this study,30 mg ·L-1 Zn treatment promoted the growth of root and increased zinc content and accumulation in root.If plumule was concerned,60 mg ·L-1 Zn treatment was beneficial to their growth and zinc accumulation.

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Claims 5

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Zinc significantly increased root and plumule dry matter accumulation.

Taxon
wheat seedlingsTriticum aestivume1
Treatment
Zn treatmente0
Outcome
dry matter accumulation in seedling root and plumulee0
Direction
improvede0
Comparator
0 mg·L-1 Zne1

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

“the dry matter accumulation in seedling root and plumule were all significantly improved under Zn treatment”

✓ located verbatim in the source · abstract, characters 487–594 · show in text ↑
e1

“wheat seedlings using Chang 5864 as the experimental material.In this paper,Zn2+ concentration in cultivating solution was 30 and 60 mg·L-1,respectively,and 0 mg·L-1 Zn was set as control”

✓ located verbatim in the source · abstract, characters 94–281 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Root dry matter responded more strongly to Zn2+ than plumule dry matter.

Taxon
wheat seedlingsTriticum aestivume1
Outcome
root dry matter accumulatione0
Direction
more intensivelye0
Comparator
plumulee0

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

“The root dry matter accumulation was affected more intensively by Zn2+ than the plumule”

✓ located verbatim in the source · abstract, characters 595–682 · show in text ↑
e1

“wheat seedlings using Chang 5864 as the experimental material”

✓ located verbatim in the source · abstract, characters 94–155 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Zinc increased root and plumule zinc content and accumulation.

Taxon
wheat seedlingTriticum aestivume0
Treatment
Zn treatmente0
Outcome
Zinc content and accumulation in root and plumulee0
Direction
increasede0

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

e0

“Zinc content and accumulation in root and plumule of wheat seedling were all increased under Zn treatment”

✓ located verbatim in the source · abstract, characters 753–858 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The 30 mg ·L-1 Zn treatment promoted root growth and zinc content and accumulation.

Taxon
wheat seedlingTriticum aestivume1
Treatment
30 mg ·L-1 Zn treatmente0
Outcome
growth of roote0
Direction
promotede0

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

e0

“30 mg ·L-1 Zn treatment promoted the growth of root and increased zinc content and accumulation in root”

✓ located verbatim in the source · abstract, characters 873–976 · show in text ↑
e1

“wheat seedling were all increased under Zn treatment”

✓ located verbatim in the source · abstract, characters 806–858 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The 60 mg ·L-1 Zn treatment benefited plumule growth and zinc accumulation.

Taxon
wheat seedlingTriticum aestivume1
Treatment
60 mg ·L-1 Zn treatmente0
Outcome
growth and zinc accumulatione0
Direction
beneficiale0

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

e0

“60 mg ·L-1 Zn treatment was beneficial to their growth and zinc accumulation”

✓ located verbatim in the source · abstract, characters 1002–1078 · show in text ↑
e1

“wheat seedling were all increased under Zn treatment”

✓ located verbatim in the source · abstract, characters 806–858 · show in text ↑

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

200 papers: 155 positive, 45 negative or no effect

154 papers in the same direction as this paper · 43 in the opposite direction · 2 reporting no difference from an alternative

  1. no effect
  2. no effect
    Wheat plants with low Mn or low Zn supply showed no growth differences from controls at the three harvests.

    Distribution and remobilization of Zn and Mn during grain development in wheat · 1994 · compared with controls (sufficient Zn and Mn)

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  3. negative

196 papers more in this group

See all 200 papers →

zinc atom · nutrient: content · Triticum aestivum (wheat)Results differ

380 papers: 347 positive, 33 negative or no effect

346 papers in the same direction as this paper · 33 in the opposite direction

  1. negative
  2. negative
  3. no effect

376 papers more in this group

See all 380 papers →

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. no effect
  3. negative

507 papers more in this group

See all 511 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.