Abstract
The inhibitory effects of Cd, Cu, Zn, Pb, and Fe on root elongation, contents of photosynthetic pigments, and metal accumulation in the roots and shoots of Sinapis alba were assessed. On the basis of growth inhibition metals can be arranged in a order Cu > Cd > Fe = Zn > Pb. All the metals, except Fe, were accumulated in significantly higher amount in the roots than in the shoots. Cd, Zn, Cu and Pb reduced chlorophyll a, and especially chlorophyll b content, and Zn and Pb reduced the carotenoid content, but less than that of chlorophyll a+b. The plants contained the highest concentration of Cd, and the lowest concentration of Zn.
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Claims 10
Claim · model-written summary
Growth inhibition ranked Cu above Cd, Fe and Zn equally, and Pb last.
- Taxon
- Sinapis alba
Sinapis albat0 - Outcome
- growth inhibitione0
- Direction
- Cu > Cd > Fe = Zn > Pbe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“On the basis of growth inhibition metals can be arranged in a order Cu > Cd > Fe = Zn > Pb”
t0“Sinapis alba”
Claim · model-written summary
Cd, Cu, Zn and Pb accumulated in roots at significantly higher amounts than shoots.
- Taxon
- Sinapis albaSinapis albat0
- Organ / stage
- rootse0
- Outcome
- metalse0
- Direction
- significantly higher amounte0
- Qualifier
- except Fee0
- Comparator
- shootse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All the metals, except Fe, were accumulated in significantly higher amount in the roots than in the shoots”
t0“Sinapis alba”
Claim · model-written summary
Cd reduced chlorophyll a and especially chlorophyll b content.
- Taxon
- Sinapis albaSinapis albat0
- Treatment
- Cde0
- Outcome
- chlorophyll a, and especially chlorophyll b contente0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd, Zn, Cu and Pb reduced chlorophyll a, and especially chlorophyll b content”
t0“Sinapis alba”
Claim · model-written summary
Zn reduced chlorophyll a and especially chlorophyll b content.
- Taxon
- Sinapis albaSinapis albat0
- Treatment
- Zne0
- Outcome
- chlorophyll a, and especially chlorophyll b contente0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd, Zn, Cu and Pb reduced chlorophyll a, and especially chlorophyll b content”
t0“Sinapis alba”
Claim · model-written summary
Cu reduced chlorophyll a and especially chlorophyll b content.
- Taxon
- Sinapis albaSinapis albat0
- Treatment
- Cue0
- Outcome
- chlorophyll a, and especially chlorophyll b contente0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd, Zn, Cu and Pb reduced chlorophyll a, and especially chlorophyll b content”
t0“Sinapis alba”
Claim · model-written summary
Pb reduced chlorophyll a and especially chlorophyll b content.
- Taxon
- Sinapis albaSinapis albat0
- Treatment
- Pbe0
- Outcome
- chlorophyll a, and especially chlorophyll b contente0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd, Zn, Cu and Pb reduced chlorophyll a, and especially chlorophyll b content”
t0“Sinapis alba”
Claim · model-written summary
Zn reduced carotenoid content less than total chlorophyll.
- Taxon
- Sinapis albaSinapis albat0
- Treatment
- Zne0
- Outcome
- carotenoid contente0
- Direction
- reducede0
- Comparator
- chlorophyll a+be0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Zn and Pb reduced the carotenoid content, but less than that of chlorophyll a+b”
t0“Sinapis alba”
Claim · model-written summary
Pb reduced carotenoid content less than total chlorophyll.
- Taxon
- Sinapis albaSinapis albat0
- Treatment
- Pbe0
- Outcome
- carotenoid contente0
- Direction
- reducede0
- Comparator
- chlorophyll a+be0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Zn and Pb reduced the carotenoid content, but less than that of chlorophyll a+b”
t0“Sinapis alba”
Claim · model-written summary
Plants had the highest concentration of Cd among the tested metals.
- Taxon
- Sinapis albaSinapis albat0
- Outcome
- concentration of Cde0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The plants contained the highest concentration of Cd, and the lowest concentration of Zn”
t0“Sinapis alba”
Claim · model-written summary
Plants had the lowest concentration of Zn among the tested metals.
- Taxon
- Sinapis albaSinapis albat0
- Outcome
- concentration of Zne0
- Direction
- loweste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The plants contained the highest concentration of Cd, and the lowest concentration of Zn”
t0“Sinapis alba”
The same questions in other papers
zinc atom · physiology: pigments · Sinapis alba (white mustard)Results differ
3 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- 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.