Paper · 2008 · Photosynthetica

Photosynthetic and anatomic responses of peanut leaves to cadmium stress

G. R. Shi; Q. S. Cai

5
claims
8
verbatim quotes
108
citations
2
research areas
✓
Open access

Abstract

Cadmium (Cd) treatments caused an inhibition in the net photosynthetic rate (P N) of peanut (Arachis hypogaea) plants, due to the reduction of stomatal conductance (g s) and photosynthetic pigment contents, as well as the alteration in leaf structure. The decrease of the transpiration rate and g s might result from the Cd-induced xerophyte anatomic features of leaves (i.e. thick lamina, upper epidermis, palisade mesophyll, high palisade to spongy thickness ratio, as well as abundant and small stomata). The decline of P N was independent of the impairment in photosystem 2.

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Claims 5

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cadmium inhibited net photosynthetic rate in peanut.

Treatment
Cadmium (Cd) treatmentse0
Outcome
net photosynthetic rate (P N)e0
Direction
inhibitione0

Not reportedComparator

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“Cadmium (Cd) treatments caused an inhibition in the net photosynthetic rate (P N) of peanut (Arachis hypogaea) plants”

✓ located verbatim in the source · abstract, characters 0–117 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cadmium reduced stomatal conductance and photosynthetic pigment contents in peanut.

Treatment
Cadmium (Cd) treatmentse0
Outcome
stomatal conductance (g s) and photosynthetic pigment contentse0
Direction
reductione0

Not reportedComparator

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“Cadmium (Cd) treatments caused an inhibition in the net photosynthetic rate (P N) of peanut (Arachis hypogaea) plants, due to the reduction of stomatal conductance (g s) and photosynthetic pigment contents”

✓ located verbatim in the source · abstract, characters 0–205 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Cadmium altered peanut leaf structure, producing xerophyte anatomical features.

Treatment
Cde0
Outcome
xerophyte anatomic features of leavese0

Not reportedComparatorDirection

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“Cd-induced xerophyte anatomic features of leaves (i.e. thick lamina, upper epidermis, palisade mesophyll, high palisade to spongy thickness ratio, as well as abundant and small stomata)”

✓ located verbatim in the source · abstract, characters 321–506 · show in text ↑
t0

“peanut leaves”

✓ located verbatim in the source · title, characters 41–54 · show in text ↑
Mechanismhypothesisoriginal resultnegativemeasured

Claim · model-written summary

Transpiration rate and stomatal conductance declined, possibly from cadmium-induced leaf anatomy.

Outcome
decrease of the transpiration rate and g se0
Qualifier
Cd-induced xerophyte anatomic features of leavese0

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“The decrease of the transpiration rate and g s might result from the Cd-induced xerophyte anatomic features of leaves”

✓ located verbatim in the source · abstract, characters 252–369 · show in text ↑
t0

“peanut leaves”

✓ located verbatim in the source · title, characters 41–54 · show in text ↑
Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The decline in net photosynthetic rate was independent of photosystem 2 impairment.

Outcome
decline of P Ne0
Qualifier
independent of the impairment in photosystem 2e0

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

Arachis hypogaea
Arachis hypogaea · Taxon葉子 · CC0 · iNaturalist ↗

Verbatim

e0

“The decline of P N was independent of the impairment in photosystem 2.”

✓ located verbatim in the source · abstract, characters 508–578 · show in text ↑
t0

“peanut leaves”

✓ located verbatim in the source · title, characters 41–54 · show in text ↑

cadmium atom · physiology: photosynthesis · Arachis hypogaea (peanut)Results agree

5 papers: 0 positive, 5 negative or no effect

4 papers in the same direction as this paper

  1. negative
  2. no effect
  3. negative

1 paper more in this group

See all 5 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.