Paper · 2010 · Zhongguo caodi xuebao

Effects of Cadmium Stress on Some Physiologicalbiochemical Characters of Four Alfalfa Varieties

Yu Wang

7
claims
14
verbatim quotes
0
citations
1
research areas
—
Not open access

Abstract

A pot experiment was conducted to study the cadmium stress on the growth of the four varieties of alfalfa at seedling stage,and to explore differences in Cd-tolerance among four varieties of alfalfa.The results indicated that the morphological and physiological characteristics of alfalfa in low level of Cd treatments were superior to the control,showing low levels of cadmium can promote plant growth.The height and weight of alfalfa seedlings and the ability of chlorophyll synthesis decreased,contents of proline and MDA increased,and the CAT activity reduced under high density of Cd treatments.There were significant differences in Cd-tolerance among four varieties of alfalfa,and Cd-tolerance of the four varieties of alfalfa was evaluated by subordinate function value method,the capacity of Cd-tolerance followed the sequence: Xinjiangdaye Longdong Manas Shihezi.

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Claims 7

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Low cadmium promoted alfalfa growth relative to control.

Taxon
AlfalfaMedicago sativat0
Treatment
low level of Cd treatmentse0
Outcome
plant growthe0
Direction
promotee0
Comparator
controle0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

t0

“Alfalfa”

✓ located verbatim in the source · title, characters 78–85 · show in text ↑
e0

“morphological and physiological characteristics of alfalfa in low level of Cd treatments were superior to the control,showing low levels of cadmium can promote plant growth”

✓ located verbatim in the source · abstract, characters 230–402 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

High cadmium reduced seedling height and weight.

Taxon
AlfalfaMedicago sativat0
Treatment
high density of Cd treatmentse0
Outcome
height and weight of alfalfa seedlingse0
Direction
decreasede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

t0

“Alfalfa”

✓ located verbatim in the source · title, characters 78–85 · show in text ↑
e0

“The height and weight of alfalfa seedlings and the ability of chlorophyll synthesis decreased,contents of proline and MDA increased,and the CAT activity reduced under high density of Cd treatments”

✓ located verbatim in the source · abstract, characters 403–599 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

High cadmium decreased chlorophyll synthesis.

Taxon
AlfalfaMedicago sativat0
Treatment
high density of Cd treatmentse0
Outcome
ability of chlorophyll synthesise0
Direction
decreasede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

t0

“Alfalfa”

✓ located verbatim in the source · title, characters 78–85 · show in text ↑
e0

“The height and weight of alfalfa seedlings and the ability of chlorophyll synthesis decreased,contents of proline and MDA increased,and the CAT activity reduced under high density of Cd treatments”

✓ located verbatim in the source · abstract, characters 403–599 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

High cadmium increased proline and MDA contents.

Taxon
AlfalfaMedicago sativat0
Treatment
high density of Cd treatmentse0
Outcome
contents of proline and MDAe0
Direction
increasede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

t0

“Alfalfa”

✓ located verbatim in the source · title, characters 78–85 · show in text ↑
e0

“The height and weight of alfalfa seedlings and the ability of chlorophyll synthesis decreased,contents of proline and MDA increased,and the CAT activity reduced under high density of Cd treatments”

✓ located verbatim in the source · abstract, characters 403–599 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

High cadmium reduced CAT activity.

Taxon
AlfalfaMedicago sativat0
Treatment
high density of Cd treatmentse0
Outcome
CAT activitye0
Direction
reducede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

t0

“Alfalfa”

✓ located verbatim in the source · title, characters 78–85 · show in text ↑
e0

“The height and weight of alfalfa seedlings and the ability of chlorophyll synthesis decreased,contents of proline and MDA increased,and the CAT activity reduced under high density of Cd treatments”

✓ located verbatim in the source · abstract, characters 403–599 · show in text ↑
Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Cadmium tolerance differed among four alfalfa varieties.

Taxon
AlfalfaMedicago sativat0
Material
four varieties of alfalfae0
Outcome
Cd-tolerancee0
Direction
differencese0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

t0

“Alfalfa”

✓ located verbatim in the source · title, characters 78–85 · show in text ↑
e0

“There were significant differences in Cd-tolerance among four varieties of alfalfa”

✓ located verbatim in the source · abstract, characters 600–682 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Tolerance ranked Xinjiangdaye, Longdong, Manas, Shihezi.

Taxon
AlfalfaMedicago sativat0
Outcome
capacity of Cd-tolerancee0
Qualifier
Xinjiangdaye Longdong Manas Shihezie0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

t0

“Alfalfa”

✓ located verbatim in the source · title, characters 78–85 · show in text ↑
e0

“the capacity of Cd-tolerance followed the sequence: Xinjiangdaye Longdong Manas Shihezi”

✓ located verbatim in the source · abstract, characters 784–871 · show in text ↑

cadmium atom · physiology: pigments · Medicago sativa (alfalfa)Results differ

6 papers: 2 positive, 4 negative or no effect

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cadmium atom · growth · Medicago sativa (alfalfa)Results differ

19 papers: 2 positive, 17 negative or no effect

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  1. negative
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  3. negative

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cadmium atom · physiology: antioxidant enzymes · Medicago sativa (alfalfa)Positive and negative results

6 papers: 2 positive, 4 negative or no effect

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

  1. positive
  2. positive
  3. negative

2 papers more in this group

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cadmium atom · physiology: oxidative · Medicago sativa (alfalfa)Positive and negative results

10 papers: 1 positive, 9 negative or no effect

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

  1. positive
  2. negative
  3. negative

6 papers more in this group

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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.