Paper · 2009 · Xibei nongye xuebao

Effects of Mercury Treatment on Growth and Activity of Peroxidase of Two Genotype Wheat Seedlings

Ying Xuxia; F Universit

10
claims
21
verbatim quotes
0
citations
1
research areas
—
Not open access

Abstract

Two genotype wheat seedlings were treated with low concentrations mercury.The results showed that lower concentrations mercury had small impact on germination of wheat seed,but had slightly stimulus to germination of drought-resistant varieties of wheat seed(Shaanhe).Low-dose,short-term treatment of heavy metal can increase the activity of POD.The tolerance of Shaanhe handled by Hg after germination was lower than which handled by Hg before germination,also lower than Zhengyin under the same treatment.Under the Hg treatment on wheat after sprouting,Shaanhe was more sensitive to Hg concentration than Zhengyin;POD activity declined with the increasing of Hg concentration;Low concentration of Hg treatment increased POD activity.Under the Hg treatment on wheat before sprouting,POD activity of Shaanhe and Zhengyin both increased first then declined with the increasing Hg concentration.

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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 10

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Lower mercury concentrations had a small impact on wheat seed germination.

Treatment
lower concentrations mercurye1
Outcome
germinatione1
Qualifier
small impacte1

Not reportedComparatorDirection

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

“Two genotype wheat seedlings were treated with low concentrations mercury”

✓ located verbatim in the source · abstract, characters 0–73 · show in text ↑
e1

“lower concentrations mercury had small impact on germination of wheat seed”

✓ located verbatim in the source · abstract, characters 98–172 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Low mercury concentrations slightly stimulated germination of the drought-resistant wheat variety Shaanhe.

Material
Shaanhee2
Treatment
lower concentrations mercurye1
Outcome
germinatione2
Direction
stimuluse2
Qualifier
slightlye2

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

“Two genotype wheat seedlings were treated with low concentrations mercury”

✓ located verbatim in the source · abstract, characters 0–73 · show in text ↑
e1

“lower concentrations mercury had small impact on germination of wheat seed”

✓ located verbatim in the source · abstract, characters 98–172 · show in text ↑
e2

“but had slightly stimulus to germination of drought-resistant varieties of wheat seed(Shaanhe)”

✓ located verbatim in the source · abstract, characters 173–267 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Low-dose, short-term heavy metal treatment can increase peroxidase (POD) activity in wheat.

Treatment
Low-dose, short-term treatment of heavy metale3
Gene
PODe3
Outcome
activity of PODe3
Direction
increasee3

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

“Two genotype wheat seedlings were treated with low concentrations mercury”

✓ located verbatim in the source · abstract, characters 0–73 · show in text ↑
e3

“Low-dose, short-term treatment of heavy metal can increase the activity of POD”

✓ located after whitespace/quote normalisation · abstract, characters 268–345 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Shaanhe tolerance was lower when mercury was applied after germination than before germination.

Material
Shaanhee4
Treatment
Hg after germinatione4
Outcome
tolerancee4
Direction
lowere4
Comparator
Hg before germinatione4

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

“Two genotype wheat seedlings were treated with low concentrations mercury”

✓ located verbatim in the source · abstract, characters 0–73 · show in text ↑
e4

“The tolerance of Shaanhe handled by Hg after germination was lower than which handled by Hg before germination,also lower than Zhengyin under the same treatment”

✓ located verbatim in the source · abstract, characters 346–506 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Shaanhe tolerance was lower than that of Zhengyin under the same mercury treatment.

Material
Shaanhee4
Treatment
same treatmente4
Outcome
tolerancee4
Direction
lowere4
Comparator
Zhengyine4

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

“Two genotype wheat seedlings were treated with low concentrations mercury”

✓ located verbatim in the source · abstract, characters 0–73 · show in text ↑
e4

“The tolerance of Shaanhe handled by Hg after germination was lower than which handled by Hg before germination,also lower than Zhengyin under the same treatment”

✓ located verbatim in the source · abstract, characters 346–506 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

After germination, Shaanhe was more sensitive to mercury concentration than Zhengyin.

Material
Shaanhee5
Treatment
Hg treatment on wheat after sproutinge5
Outcome
sensitive to Hg concentratione5
Direction
moree5
Comparator
Zhengyine5

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

“Two genotype wheat seedlings were treated with low concentrations mercury”

✓ located verbatim in the source · abstract, characters 0–73 · show in text ↑
e5

“Under the Hg treatment on wheat after sprouting,Shaanhe was more sensitive to Hg concentration than Zhengyin”

✓ located verbatim in the source · abstract, characters 507–615 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

POD activity declined as mercury concentration increased after sprouting.

Treatment
increasing of Hg concentratione6
Gene
PODe6
Outcome
POD activitye6
Direction
declinede6

Not reportedMaterialComparator

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

“Two genotype wheat seedlings were treated with low concentrations mercury”

✓ located verbatim in the source · abstract, characters 0–73 · show in text ↑
e6

“POD activity declined with the increasing of Hg concentration”

✓ located verbatim in the source · abstract, characters 616–677 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Low mercury concentration increased POD activity in wheat after sprouting.

Treatment
Low concentration of Hg treatmente7
Gene
PODe7
Outcome
POD activitye7
Direction
increasede7

Not reportedMaterialComparator

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

“Two genotype wheat seedlings were treated with low concentrations mercury”

✓ located verbatim in the source · abstract, characters 0–73 · show in text ↑
e7

“Low concentration of Hg treatment increased POD activity”

✓ located verbatim in the source · abstract, characters 678–734 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Before sprouting, POD activity of Shaanhe increased first and then declined with increasing mercury.

Material
Shaanhee7
Treatment
Hg treatment on wheat before sproutinge7
Outcome
POD activitye7
Direction
increased first then declinede7

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

“Two genotype wheat seedlings were treated with low concentrations mercury”

✓ located verbatim in the source · abstract, characters 0–73 · show in text ↑
e7

“Under the Hg treatment on wheat before sprouting,POD activity of Shaanhe and Zhengyin both increased first then declined with the increasing Hg concentration”

✓ located verbatim in the source · abstract, characters 735–892 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Before sprouting, POD activity of Zhengyin increased first and then declined with increasing mercury.

Material
Zhengyine7
Treatment
Hg treatment on wheat before sproutinge7
Outcome
POD activitye7
Direction
increased first then declinede7

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

“Two genotype wheat seedlings were treated with low concentrations mercury”

✓ located verbatim in the source · abstract, characters 0–73 · show in text ↑
e7

“Under the Hg treatment on wheat before sprouting,POD activity of Shaanhe and Zhengyin both increased first then declined with the increasing Hg concentration”

✓ located verbatim in the source · abstract, characters 735–892 · show in text ↑

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

14 papers: 6 positive, 8 negative or no effect

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mercury atom · nutrient: content · Triticum aestivum (wheat)Results agree

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processing · disease · Triticum aestivum (wheat)Positive and negative results

16 papers: 13 positive, 3 negative or no effect

2 papers in the same direction as this paper · 13 in the opposite direction

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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.