Abstract
Introduction This experiment was designed to examine the mitigating effects of Si treatment on Cd-exposed sorghum plants and was conducted as a pot experiment. Methods The experiment was executed using a factorial design in completely randomized design (CRD), including 3 Cd concentrations (0, 10, and 20 mg kg -1 ) and 4 Si concentrations (0, 100, 200, and 300 mg kg -1 ). After 90 days, the plants were harvested, and the Cd, Fe, and Zn concentrations in the plant organs, as well as the morphological characteristics of the plants, were examined. Results Cadmium accumulated most in the roots compared to other organs of sorghum; roots>stems>leaves=panicle. Si treatments in Cd 10 stress reduced Cd concentration in roots and panicles, Fe in stems and panicles, and Zn in roots. Si treatments in Cd 20 exposure increased Fe in roots, while Zn decreased in Stems and leaves. Si treatments in Cd exposure increased plant stem diameter, dry root weight, and total plant weight. Regarding the role of Si application in alleviating Cd exposure in sorghum, the Cd 10 Si 300 treatments reduced Cd by 86.6% in panicles, 30.9% in leaves, and 28.9% in stems, while Cd 10 Si 200 treatments reduced Cd concentration in roots by 38% at most. In Cd translocation to panicles, it was observed that the treatment of 300 mg kg -1 Si had a strong potential to inhibit translocation in the presence of about 10 mg kg -1 Cd. Discussion In the soils with similar properties and Cd contamination used in this study, the treatment of 300 mg kg -1 Si is considered to be an important concentration to overcome Cd translocation.
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Claims 13
Claim · model-written summary
Cadmium accumulated most in sorghum roots, then stems, with leaves and panicles equal.
SorghumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cadmium accumulated most in the roots compared to other organs of sorghum; roots>stems>leaves=panicle.”
Claim · model-written summary
Under Cd 10 stress, silicon reduced root and panicle cadmium concentrations.
- Treatment
- Si treatmentse0
- Outcome
- Cd concentration in roots and paniclese0
- Direction
- reducede0
- Comparator
- Cd 10 stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Si treatments in Cd 10 stress reduced Cd concentration in roots and panicles”
t0“sorghum”
Claim · model-written summary
Under Cd 10 stress, silicon reduced iron in stems and panicles.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Si treatments in Cd 10 stress reduced Cd concentration in roots and panicles, Fe in stems and panicles, and Zn in roots.”
t0“sorghum”
Claim · model-written summary
Under Cd 10 stress, silicon reduced root zinc.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Si treatments in Cd 10 stress reduced Cd concentration in roots and panicles, Fe in stems and panicles, and Zn in roots.”
t0“sorghum”
Claim · model-written summary
Under Cd 20 exposure, silicon increased root iron.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Si treatments in Cd 20 exposure increased Fe in roots”
t0“sorghum”
Claim · model-written summary
Under Cd 20 exposure, silicon decreased zinc in stems and leaves.
- Organ / stage
- Stems and leavese0
- Treatment
- Si treatmentse0
- Outcome
- Zne0
- Direction
- decreasede0
- Comparator
- Cd 20 exposuree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Si treatments in Cd 20 exposure increased Fe in roots, while Zn decreased in Stems and leaves.”
t0“sorghum”
Claim · model-written summary
Under cadmium exposure, silicon increased stem diameter, dry root weight, and total plant weight.
- Treatment
- Si treatmentse0
- Outcome
- plant stem diameter, dry root weight, and total plant weighte0
- Direction
- increasede0
- Comparator
- Cd exposuree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Si treatments in Cd exposure increased plant stem diameter, dry root weight, and total plant weight.”
t0“sorghum”
Claim · model-written summary
Cd 10 Si 300 reduced panicle cadmium by 86.6%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd 10 Si 300 treatments reduced Cd by 86.6% in panicles”
t0“sorghum”
Claim · model-written summary
Cd 10 Si 300 reduced leaf cadmium by 30.9%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd 10 Si 300 treatments reduced Cd by 86.6% in panicles, 30.9% in leaves, and 28.9% in stems”
t0“sorghum”
Claim · model-written summary
Cd 10 Si 300 reduced stem cadmium by 28.9%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd 10 Si 300 treatments reduced Cd by 86.6% in panicles, 30.9% in leaves, and 28.9% in stems”
t0“sorghum”
Claim · model-written summary
Cd 10 Si 200 reduced root cadmium concentration by at most 38%.
- Treatment
- Cd 10 Si 200 treatmentse0
- Outcome
- Cd concentration in rootse0
- Direction
- reducede0
- Value
- 38%e0
- Qualifier
- at moste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd 10 Si 200 treatments reduced Cd concentration in roots by 38% at most.”
t0“sorghum”
Claim · model-written summary
At approximately 10 mg kg -1 Cd, 300 mg kg -1 Si strongly inhibited cadmium translocation to panicles.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the treatment of 300 mg kg -1 Si had a strong potential to inhibit translocation in the presence of about 10 mg kg -1 Cd.”
t0“sorghum”
Claim · model-written summary
The authors considered 300 mg kg -1 Si important for overcoming cadmium translocation in similarly contaminated soils.
- Treatment
- 300 mg kg -1 Sie0
- Outcome
- overcome Cd translocatione0
- Qualifier
- soils with similar properties and Cd contaminatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the soils with similar properties and Cd contamination used in this study, the treatment of 300 mg kg -1 Si is considered to be an important concentration to overcome Cd translocation.”
t0“sorghum”
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See all 11 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.