Paper · 2008 · Shandong Nongye Daxue xuebao

PHYSIOLOGICAL CHANGES OF NORTHERN WHEAT UNDER STRESS EFFECT OF SIMULATED ACID RAIN IN CHINA

Jianguo Li

6
claims
14
verbatim quotes
0
citations
1
research areas
—
Not open access

Abstract

The wheat samples were sprayed during its vegetative and productive stages by simulated acid rain-with pHvalues of 2.0,3.0,4.0,5.0 and 6.0.The results indicated that visible injures emerged when pHvalues were below3.0(threshold value),chlorophyll(Chl) content reduced,malondialdehyde(MDA) con-tent increased,catalase(CAT) activity and peroxidase(POD) activity was suppressed.Stress effects of simu-lated acid rain on wheat increased more remarkable with the increase of density of hydrogen ions in acid rain.Itwas correlated with disposal times and doses.

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Claims 6

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Visible wheat injuries emerged below pH 3.0.

Outcome
visible injurese0
Qualifier
pHvalues were below3.0e0

Not reportedDirection

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

“visible injures emerged when pHvalues were below3.0(threshold value)”

✓ located verbatim in the source · abstract, characters 166–234 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 34–39 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Simulated acid rain reduced wheat chlorophyll content.

Treatment
simulated acid raine1
Outcome
chlorophyll(Chl) contente0
Direction
reducede0

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

“chlorophyll(Chl) content reduced”

✓ located verbatim in the source · abstract, characters 235–267 · show in text ↑
e1

“sprayed during its vegetative and productive stages by simulated acid rain-with pHvalues of 2.0,3.0,4.0,5.0 and 6.0”

✓ located verbatim in the source · abstract, characters 23–138 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 34–39 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Simulated acid rain increased wheat malondialdehyde content.

Treatment
simulated acid raine1
Outcome
malondialdehyde(MDA) con-tente0
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

“malondialdehyde(MDA) con-tent increased”

✓ located verbatim in the source · abstract, characters 268–307 · show in text ↑
e1

“simulated acid rain”

✓ located verbatim in the source · abstract, characters 78–97 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 34–39 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Simulated acid rain suppressed catalase and peroxidase activity in wheat.

Treatment
simulated acid raine1
Outcome
catalase(CAT) activity and peroxidase(POD) activitye0
Direction
suppressede0

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

“catalase(CAT) activity and peroxidase(POD) activity was suppressed”

✓ located verbatim in the source · abstract, characters 308–374 · show in text ↑
e1

“simulated acid rain”

✓ located verbatim in the source · abstract, characters 78–97 · show in text ↑
t0

“WHEAT”

✓ located verbatim in the source · title, characters 34–39 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Wheat stress effects increased with hydrogen ion density in acid rain.

Compound
hydrogen ionse0
Outcome
Stress effectse0
Direction
increasede0

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

“Stress effects of simu-lated acid rain on wheat increased more remarkable with the increase of density of hydrogen ions in acid rain”

✓ located verbatim in the source · abstract, characters 375–507 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Wheat stress effects were correlated with application times and doses.

Treatment
disposal times and dosese0
Outcome
Stress effectse1

Not reportedDirection

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

“Itwas correlated with disposal times and doses”

✓ located verbatim in the source · abstract, characters 508–554 · show in text ↑
e1

“Stress effects of simu-lated acid rain on wheat”

✓ located verbatim in the source · abstract, characters 375–422 · show in text ↑

rainfall · physiology: antioxidant enzymes · Triticum aestivum (wheat)Positive and negative results

4 papers: 1 positive, 3 negative or no effect

2 papers in the same direction as this paper · 1 in the opposite direction

  1. positive
  2. negative
  3. negative
See all 4 papers →

rainfall · physiology: pigments · Triticum aestivum (wheat)Positive and negative results

9 papers: 2 positive, 7 negative or no effect

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

  1. positive
  2. positive
  3. negative

5 papers more in this group

See all 9 papers →

rainfall · physiology: oxidative · Triticum aestivum (wheat)Results agree

3 papers: 0 positive, 3 negative or no effect

2 papers in the same direction as this paper

  1. negative
  2. negative
See all 3 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.