Abstract
Pot experiments were carried out to investigate the influence of different iron (Fe) levels (0, 50, 100, 200 and 400 micromol.L-1) on the plant growth, activities of antioxidant enzymes, accumulation and chemical forms of cadmium (Cd) in tomato when exposed to Cd (10 mg.kg-1). The results showed that dry weights of fruit, roots, stem, leaf, and plant, and concentration and accumulation of Cd significantly differed between the two varieties of tomato tested. Dry weights of fruit, roots, stem, leaf, and plant increased in the presence of Fe. Activities of superoxide dismutase (SOD) of root in both varieties, and activities of catalase (CAT) of root in Yufenl09 deceased at first, and then increased with increasing levels of Fe, but activities of peroxidase (POD) of root in both varieties and activities of CAT of root in 4641 increased at first, and then reduced with increasing levels of Fe. Chemical forms of Cd in fruit of tomato were in the order of FR > FHCl > FE > FNaCl > FHAC > FW. All chemical forms of Cd obviously decreased after the application of adequate Fe compared to the control, while FHcI and FR of 4641, and the total extractable Cd, FE, FNaCl and FR of Yufenl09 increased at 400 micromol.L-1Fe treatment. Cadmium accumulations of tomato were in the order of leaf > stew > fruit > roots. Cadmium concentration in leaf, stem, roots and fruit of both varieties decreased by 7. 1% -25.3% , 30. 8% -50. 4% , 13.0% -45. 1% and 2.8% -11.7% in the presence of Fe when exposed to Cd, and the Cd concentration of fruit and Cd accumulations in plant were in the order of 4641 < Yufenl09 in the presence or absence of Fe.
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Claims 14
Claim · model-written summary
Dry weights and cadmium concentration and accumulation differed significantly between two tomato varieties.
- Taxon
- tomato
Solanum lycopersicume0 - Outcome
- dry weights of fruit, roots, stem, leaf, and plant, and concentration and accumulation of Cde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dry weights of fruit, roots, stem, leaf, and plant, and concentration and accumulation of Cd significantly differed between the two varieties of tomato tested”
Claim · model-written summary
Iron increased dry weights of tomato fruit, roots, stem, leaf, and whole plant.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- Fee0
- Outcome
- Dry weights of fruit, roots, stem, leaf, and plante0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dry weights of fruit, roots, stem, leaf, and plant increased in the presence of Fe”
t0“tomato”
Claim · model-written summary
Root SOD activity in both varieties and root CAT activity in Yufenl09 first decreased and then increased with increasing Fe.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- roote0
- Treatment
- Fee0
- Gene
- superoxide dismutase (SOD)e0
- Outcome
- Activities of superoxide dismutase (SOD) of root in both varieties, and activities of catalase (CAT) of root in Yufenl09e0
- Direction
- deceased at first, and then increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Activities of superoxide dismutase (SOD) of root in both varieties, and activities of catalase (CAT) of root in Yufenl09 deceased at first, and then increased with increasing levels of Fe”
t0“tomato”
Claim · model-written summary
Root POD in both varieties and root CAT in 4641 first increased then decreased as Fe increased.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- roote0
- Treatment
- Fee0
- Outcome
- activities of peroxidase (POD) of root in both varieties and activities of CAT of root in 4641e0
- Direction
- increased at first, and then reducede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“activities of peroxidase (POD) of root in both varieties and activities of CAT of root in 4641 increased at first, and then reduced with increasing levels of Fe”
t0“tomato”
Claim · model-written summary
Tomato fruit cadmium chemical forms ranked FR > FHCl > FE > FNaCl > FHAC > FW.
- Taxon
- tomatoSolanum lycopersicume0
- Outcome
- Chemical forms of Cd in fruite0
Not reportedValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Chemical forms of Cd in fruit of tomato were in the order of FR > FHCl > FE > FNaCl > FHAC > FW”
Claim · model-written summary
Adequate Fe decreased all chemical forms of cadmium compared with control.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- adequate Fee0
- Outcome
- All chemical forms of Cde0
- Direction
- decreasede0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All chemical forms of Cd obviously decreased after the application of adequate Fe compared to the control”
t0“tomato”
Claim · model-written summary
At 400 micromol.L-1 Fe, FHcI and FR in 4641 increased.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- 4641e0
- Treatment
- 400 micromol.L-1Fe treatmente0
- Outcome
- FHcI and FRe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“FHcI and FR of 4641, and the total extractable Cd, FE, FNaCl and FR of Yufenl09 increased at 400 micromol.L-1Fe treatment”
t0“tomato”
Claim · model-written summary
At 400 micromol.L-1 Fe, total extractable Cd, FE, FNaCl and FR in Yufenl09 increased.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- Yufenl09e0
- Treatment
- 400 micromol.L-1Fe treatmente0
- Outcome
- total extractable Cd, FE, FNaCl and FRe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“FHcI and FR of 4641, and the total extractable Cd, FE, FNaCl and FR of Yufenl09 increased at 400 micromol.L-1Fe treatment”
t0“tomato”
Claim · model-written summary
Cadmium accumulation ranked leaf > stew > fruit > roots.
- Taxon
- tomatoSolanum lycopersicume0
- Outcome
- Cadmium accumulationse0
Not reportedValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cadmium accumulations of tomato were in the order of leaf > stew > fruit > roots”
Claim · model-written summary
Iron reduced leaf cadmium concentration by 7. 1% -25.3%.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- Fee0
- Outcome
- Cadmium concentration in leafe0
- Direction
- decreasede0
- Value
- 7. 1% -25.3%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cadmium concentration in leaf, stem, roots and fruit of both varieties decreased by 7. 1% -25.3% , 30. 8% -50. 4% , 13.0% -45. 1% and 2.8% -11.7% in the presence of Fe when exposed to Cd”
t0“tomato”
Claim · model-written summary
Iron reduced stem cadmium concentration by 30. 8% -50. 4%.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- steme0
- Treatment
- Fee0
- Outcome
- Cadmium concentration in leaf, stem, roots and fruite0
- Direction
- decreasede0
- Value
- 30. 8% -50. 4%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cadmium concentration in leaf, stem, roots and fruit of both varieties decreased by 7. 1% -25.3% , 30. 8% -50. 4% , 13.0% -45. 1% and 2.8% -11.7% in the presence of Fe when exposed to Cd”
t0“tomato”
Claim · model-written summary
Iron reduced root cadmium concentration by 13.0% -45. 1%.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- rootse0
- Treatment
- Fee0
- Outcome
- Cadmium concentration in leaf, stem, roots and fruite0
- Direction
- decreasede0
- Value
- 13.0% -45. 1%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cadmium concentration in leaf, stem, roots and fruit of both varieties decreased by 7. 1% -25.3% , 30. 8% -50. 4% , 13.0% -45. 1% and 2.8% -11.7% in the presence of Fe when exposed to Cd”
t0“tomato”
Claim · model-written summary
Iron reduced fruit cadmium concentration by 2.8% -11.7%.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- fruite0
- Treatment
- Fee0
- Outcome
- Cadmium concentration in leaf, stem, roots and fruite0
- Direction
- decreasede0
- Value
- 2.8% -11.7%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cadmium concentration in leaf, stem, roots and fruit of both varieties decreased by 7. 1% -25.3% , 30. 8% -50. 4% , 13.0% -45. 1% and 2.8% -11.7% in the presence of Fe when exposed to Cd”
t0“tomato”
Claim · model-written summary
Fruit Cd concentration and plant Cd accumulation were lower in 4641 than Yufenl09 regardless of Fe.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- 4641e0
- Outcome
- Cd concentration of fruit and Cd accumulations in plante0
- Direction
- 4641 < Yufenl09e0
- Comparator
- Yufenl09e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd concentration of fruit and Cd accumulations in plant were in the order of 4641 < Yufenl09 in the presence or absence of Fe”
t0“tomato”
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See all 31 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.