Abstract
The differences of translocation and accumulation of cadmium (Cd) in Brassica parachinensis of different Cd-resistant cultivars,Chixin-2 and Teqing-60,and their mechanisms were investigated with pot experiment in greenhouse under the different Cd treatment (0mg/kg,1.0mg/kg,3.0mg/kg,10.0mg/kg).The results showed that,at the same Cd treatment,the resistant cultivar Teqing-60 accumulated fewer Cd in shoots than Chixin-2.Under the higher Cd concentration (10.0mg/kg),dried weight of Teqing-60 was significantly increased,while that of Chixin-2 was remarkably decreased,compared to the control.In Chixin-2,dried weight of shoot and root were decreased by 52.54% and 68.85%,respectively.Furthermore,the translocation rate of Cd from root to shoots was lower in Teqing-60,especially under the 3.0mg/kg Cd treatment,lower by 5.62%,than that in Chixin-2.But the proportion of Cd in root cell wall in Teqing-60 was higher than that in Chixin-2.The total sulfur content in root were higher.Moreover,total sulfur in Teqing-60 were raised by 25.78% to 43.50%,but that in Chixin-2 were reduced by 1.0% to 32.60%,after adding Cd to soil.And pH value of root sap in Teqing-60 were higher than that in Chixin-2,higher by 1.02 pH unit,specially under 3.0mg/kg Cd treatment.Cd content in root sap was lower for Teqing-60,accordingly,the activity and translocation ability of Cd in Teqing-60 were lower than that in Chixin-2.And the Cd content in root sap were positively correlated with that in shoot (R 2=0.8151,n=8).The above results might be the reasons why the resistance of Teqing-60 to cadmium was higher than that of Chixin-2.
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Claims 14
Claim · model-written summary
Teqing-60 accumulated less shoot Cd than Chixin-2 at the same treatment.
- Taxon
- Brassica parachinensis
Brassica rapa var. parachinensist0 - Material
- Teqing-60e0
- Outcome
- Cd in shootse0
- Direction
- fewere0
- Comparator
- Chixin-2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at the same Cd treatment,the resistant cultivar Teqing-60 accumulated fewer Cd in shoots than Chixin-2”
t0“Brassica parachinensis”
Claim · model-written summary
At 10.0mg/kg Cd, Teqing-60 dry weight increased versus control.
- Taxon
- Brassica parachinensisBrassica rapa var. parachinensist0
- Material
- Teqing-60e0
- Treatment
- 10.0mg/kge0
- Outcome
- dried weighte0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under the higher Cd concentration (10.0mg/kg),dried weight of Teqing-60 was significantly increased,while that of Chixin-2 was remarkably decreased,compared to the control”
t0“Brassica parachinensis”
Claim · model-written summary
At 10.0mg/kg Cd, Chixin-2 dry weight decreased versus control.
- Taxon
- Brassica parachinensisBrassica rapa var. parachinensist0
- Material
- Chixin-2e0
- Treatment
- 10.0mg/kge0
- Outcome
- dried weighte0
- Direction
- decreasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under the higher Cd concentration (10.0mg/kg),dried weight of Teqing-60 was significantly increased,while that of Chixin-2 was remarkably decreased,compared to the control”
t0“Brassica parachinensis”
Claim · model-written summary
Chixin-2 shoot dry weight fell 52.54%.
- Taxon
- Brassica parachinensisBrassica rapa var. parachinensist0
- Material
- Chixin-2e0
- Treatment
- Cd treatmente1
- Outcome
- dried weight of shoote0
- Direction
- decreasede0
- Value
- 52.54%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Chixin-2,dried weight of shoot and root were decreased by 52.54% and 68.85%,respectively”
e1“under the different Cd treatment (0mg/kg,1.0mg/kg,3.0mg/kg,10.0mg/kg)”
t0“Brassica parachinensis”
Claim · model-written summary
Chixin-2 root dry weight fell 68.85%.
- Taxon
- Brassica parachinensisBrassica rapa var. parachinensist0
- Material
- Chixin-2e0
- Treatment
- Cd treatmente1
- Outcome
- dried weight of shoot and roote0
- Direction
- decreasede0
- Value
- 68.85%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Chixin-2,dried weight of shoot and root were decreased by 52.54% and 68.85%,respectively”
e1“under the different Cd treatment (0mg/kg,1.0mg/kg,3.0mg/kg,10.0mg/kg)”
t0“Brassica parachinensis”
Claim · model-written summary
Cd root-to-shoot translocation was lower in Teqing-60, by 5.62% at 3.0mg/kg.
- Taxon
- Brassica parachinensisBrassica rapa var. parachinensist0
- Material
- Teqing-60e0
- Treatment
- 3.0mg/kg Cd treatmente0
- Outcome
- translocation rate of Cd from root to shootse0
- Direction
- lowere0
- Value
- 5.62%e0
- Comparator
- Chixin-2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the translocation rate of Cd from root to shoots was lower in Teqing-60,especially under the 3.0mg/kg Cd treatment,lower by 5.62%,than that in Chixin-2”
t0“Brassica parachinensis”
Claim · model-written summary
The root cell wall Cd proportion was higher in Teqing-60.
- Taxon
- Brassica parachinensisBrassica rapa var. parachinensist0
- Material
- Teqing-60e0
- Outcome
- proportion of Cd in root cell walle0
- Direction
- highere0
- Comparator
- Chixin-2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the proportion of Cd in root cell wall in Teqing-60 was higher than that in Chixin-2”
t0“Brassica parachinensis”
Claim · model-written summary
Root total sulfur was higher in Teqing-60.
- Taxon
- Brassica parachinensisBrassica rapa var. parachinensist0
- Material
- Teqing-60e1
- Outcome
- total sulfur content in roote0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The total sulfur content in root were higher”
e1“the resistant cultivar Teqing-60”
t0“Brassica parachinensis”
Claim · model-written summary
Cd addition raised total sulfur in Teqing-60 by 25.78% to 43.50%.
- Taxon
- Brassica parachinensisBrassica rapa var. parachinensist0
- Material
- Teqing-60e0
- Treatment
- adding Cd to soile0
- Outcome
- total sulfure0
- Direction
- raisede0
- Value
- 25.78% to 43.50%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“total sulfur in Teqing-60 were raised by 25.78% to 43.50%,but that in Chixin-2 were reduced by 1.0% to 32.60%,after adding Cd to soil”
t0“Brassica parachinensis”
Claim · model-written summary
Cd addition reduced total sulfur in Chixin-2 by 1.0% to 32.60%.
- Taxon
- Brassica parachinensisBrassica rapa var. parachinensist0
- Material
- Chixin-2e0
- Treatment
- adding Cd to soile0
- Outcome
- total sulfure0
- Direction
- reducede0
- Value
- 1.0% to 32.60%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“total sulfur in Teqing-60 were raised by 25.78% to 43.50%,but that in Chixin-2 were reduced by 1.0% to 32.60%,after adding Cd to soil”
t0“Brassica parachinensis”
Claim · model-written summary
Teqing-60 root sap pH was 1.02 unit higher, especially under 3.0mg/kg Cd.
- Taxon
- Brassica parachinensisBrassica rapa var. parachinensist0
- Material
- Teqing-60e0
- Treatment
- 3.0mg/kg Cd treatmente0
- Outcome
- pH value of root sape0
- Direction
- highere0
- Value
- 1.02 pH unite0
- Comparator
- Chixin-2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pH value of root sap in Teqing-60 were higher than that in Chixin-2,higher by 1.02 pH unit,specially under 3.0mg/kg Cd treatment”
t0“Brassica parachinensis”
Claim · model-written summary
Root sap Cd content was lower in Teqing-60.
- Taxon
- Brassica parachinensisBrassica rapa var. parachinensist0
- Material
- Teqing-60e0
- Outcome
- Cd content in root sape0
- Direction
- lowere0
- Comparator
- Chixin-2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd content in root sap was lower for Teqing-60,accordingly,the activity and translocation ability of Cd in Teqing-60 were lower than that in Chixin-2”
t0“Brassica parachinensis”
Claim · model-written summary
Cd activity and translocation ability were lower in Teqing-60 than Chixin-2.
- Taxon
- Brassica parachinensisBrassica rapa var. parachinensist0
- Material
- Teqing-60e0
- Outcome
- activity and translocation ability of Cde0
- Direction
- lowere0
- Comparator
- Chixin-2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the activity and translocation ability of Cd in Teqing-60 were lower than that in Chixin-2”
t0“Brassica parachinensis”
Claim · model-written summary
Root sap Cd content correlated positively with shoot Cd content.
- Taxon
- Brassica parachinensisBrassica rapa var. parachinensist0
- Organ / stage
- root sape0
- Outcome
- Cd content in root sape0
- Direction
- positively correlatede0
- Value
- R 2=0.8151e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the Cd content in root sap were positively correlated with that in shoot (R 2=0.8151,n=8)”
t0“Brassica parachinensis”
The same questions in other papers
cadmium atom · nutrient: content · Brassica rapa (field mustard)Positive and negative results
4 papers in the same direction as this paper · 4 in the opposite direction
- negative
- no effect
- negative
5 papers more in this group
See all 9 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.