Paper · 2015 · International Journal of Phytoremediation

A Study on Cadmium Phytoremediation Potential of Indian Mustard,Brassica juncea

Sunayana Goswami; Suchismita Das

9
claims
17
verbatim quotes
108
citations
1
research areas
—
Not open access

Abstract

The objective of this study was to investigate Cd phytoremediation ability of Indian mustard, Brassica juncea. The study was conducted with 25, 50, 100, 200 and 400 mg Kg(-1) CdCl2 in laboratory for 21 days and Cd concentrations in the root, shoot and leaf tissues were estimated by atomic absorption spectroscopy. The plant showed high Cd tolerance of up to 400 mg Kg(-1) but there was a general trend of decline in the root and shoot length, tissue biomass, leaf chlorophyll and carotenoid contents. The tolerance index (TI) of plants were calculated taking both root and shoot lengths as variables. The maximum tolerance (TI shoot=87.4 % and TI root=89.6%) to Cd toxicity was observed at 25 mg Kg(-1), which progressively decreased with increase in dose. The highest shoot (10791 μg g(-1) dry wt) and root (9602 μg g(-1) dry wt) Cd accumulation was achieved at 200 mg kg(-1) Cd treatment and the maximum leaf Cd accumulation was 10071.6 μg g(-1) dry wt achieved at 100 mg Kg(-1) Cd, after 21 days of treatment. The enrichment coefficient and root to shoot translocation factor were calculated, which, pointed towards the suitability of Indian mustard for removing Cd from soil.

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Claims 9

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Indian mustard tolerates cadmium up to 400 mg Kg(-1).

Taxon
Indian MustardBrassica junceat0
Outcome
Cd tolerancee0
Value
400 mg Kg(-1)e0
Qualifier
up toe0

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The plant showed high Cd tolerance of up to 400 mg Kg(-1)”

✓ located verbatim in the source · abstract, characters 315–372 · show in text ↑
t0

“Indian Mustard”

✓ located verbatim in the source · title, characters 49–63 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cadmium produces a general decline in root and shoot length and tissue biomass.

Taxon
Indian MustardBrassica junceat0
Treatment
Cde0
Outcome
root and shoot length, tissue biomasse0
Direction
declinee0
Qualifier
general trende0

Not reportedComparator

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The plant showed high Cd tolerance of up to 400 mg Kg(-1) but there was a general trend of decline in the root and shoot length, tissue biomass, leaf chlorophyll and carotenoid contents.”

✓ located verbatim in the source · abstract, characters 315–501 · show in text ↑
t0

“Indian Mustard”

✓ located verbatim in the source · title, characters 49–63 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cadmium produces a general decline in leaf chlorophyll and carotenoid contents.

Taxon
Indian MustardBrassica junceat0
Treatment
Cde0
Outcome
leaf chlorophyll and carotenoid contentse0
Direction
declinee0
Qualifier
general trende0

Not reportedComparator

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The plant showed high Cd tolerance of up to 400 mg Kg(-1) but there was a general trend of decline in the root and shoot length, tissue biomass, leaf chlorophyll and carotenoid contents.”

✓ located verbatim in the source · abstract, characters 315–501 · show in text ↑
t0

“Indian Mustard”

✓ located verbatim in the source · title, characters 49–63 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Maximum shoot tolerance index is 87.4% at 25 mg Kg(-1) and decreases with dose.

Taxon
Indian MustardBrassica junceat0
Treatment
25 mg Kg(-1)e0
Outcome
TI shoote0
Direction
decreasede0
Value
87.4 %e0

Not reportedComparator

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The maximum tolerance (TI shoot=87.4 % and TI root=89.6%) to Cd toxicity was observed at 25 mg Kg(-1), which progressively decreased with increase in dose.”

✓ located verbatim in the source · abstract, characters 602–757 · show in text ↑
t0

“Indian Mustard”

✓ located verbatim in the source · title, characters 49–63 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Maximum root tolerance index is 89.6% at 25 mg Kg(-1) and decreases with dose.

Taxon
Indian MustardBrassica junceat0
Treatment
25 mg Kg(-1)e0
Outcome
TI roote0
Direction
decreasede0
Value
89.6%e0

Not reportedComparator

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The maximum tolerance (TI shoot=87.4 % and TI root=89.6%) to Cd toxicity was observed at 25 mg Kg(-1), which progressively decreased with increase in dose.”

✓ located verbatim in the source · abstract, characters 602–757 · show in text ↑
t0

“Indian Mustard”

✓ located verbatim in the source · title, characters 49–63 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Highest shoot cadmium accumulation is 10791 μg g(-1) dry wt at 200 mg kg(-1) cadmium.

Taxon
Indian MustardBrassica junceat0
Organ / stage
shoote0
Treatment
200 mg kg(-1) Cd treatmente0
Outcome
Cd accumulatione0
Direction
higheste0
Value
10791 μg g(-1) dry wte0

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The highest shoot (10791 μg g(-1) dry wt) and root (9602 μg g(-1) dry wt) Cd accumulation was achieved at 200 mg kg(-1) Cd treatment”

✓ located verbatim in the source · abstract, characters 758–890 · show in text ↑
t0

“Indian Mustard”

✓ located verbatim in the source · title, characters 49–63 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Highest root cadmium accumulation is 9602 μg g(-1) dry wt at 200 mg kg(-1) cadmium.

Taxon
Indian MustardBrassica junceat0
Organ / stage
roote0
Treatment
200 mg kg(-1) Cd treatmente0
Outcome
Cd accumulatione0
Direction
higheste0
Value
9602 μg g(-1) dry wte0

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The highest shoot (10791 μg g(-1) dry wt) and root (9602 μg g(-1) dry wt) Cd accumulation was achieved at 200 mg kg(-1) Cd treatment”

✓ located verbatim in the source · abstract, characters 758–890 · show in text ↑
t0

“Indian Mustard”

✓ located verbatim in the source · title, characters 49–63 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Maximum leaf cadmium accumulation is 10071.6 μg g(-1) dry wt at 100 mg Kg(-1) cadmium after 21 days.

Taxon
Indian MustardBrassica junceat0
Treatment
100 mg Kg(-1) Cde0
Outcome
leaf Cd accumulatione0
Direction
maximume0
Value
10071.6 μg g(-1) dry wte0
Qualifier
after 21 days of treatmente0

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the maximum leaf Cd accumulation was 10071.6 μg g(-1) dry wt achieved at 100 mg Kg(-1) Cd, after 21 days of treatment.”

✓ located verbatim in the source · abstract, characters 895–1013 · show in text ↑
t0

“Indian Mustard”

✓ located verbatim in the source · title, characters 49–63 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Enrichment and translocation factors suggest Indian mustard is suitable for soil cadmium removal.

Taxon
Indian mustardBrassica junceae0
Outcome
removing Cd from soile0
Qualifier
enrichment coefficient and root to shoot translocation factore0

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

Brassica juncea
Brassica juncea · TaxonDalgial · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The enrichment coefficient and root to shoot translocation factor were calculated, which, pointed towards the suitability of Indian mustard for removing Cd from soil.”

✓ located verbatim in the source · abstract, characters 1014–1180 · show in text ↑

cadmium atom · growth · Brassica juncea (Indian mustard)Results differ

20 papers: 1 positive, 19 negative or no effect

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

  1. positive
  2. negative
  3. negative

16 papers more in this group

See all 20 papers →

cadmium atom · physiology: pigments · Brassica juncea (Indian mustard)Results agree

7 papers: 0 positive, 7 negative or no effect

6 papers in the same direction as this paper

  1. negative
  2. negative
  3. negative

3 papers more in this group

See all 7 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.