Abstract
Abstract Ten cvs. of four Brassicaceae species were tested to evaluate their copper (Cu) uptake and translocation. Germination and root length tests indicated that Brassica juncea cv. Aurea and Raphanus sativus cvs. Rimbo and Saxa were the species with the highest germinability and longest roots at Cu concentrations ranging from 25 up to 200 µM. Raphanus sativus cv. Rimbo grown in hydroponic culture at increasing Cu concentrations (from 0.12 up to 40 µM) for 10 days produced a relatively high biomass (17.2 mg plant−1) at the highest concentration and had a more efficient Cu translocation (17.8%) in comparison with cvs. Aurea and Saxa. The potential of cv. Rimbo for Cu uptake was then followed for 28 days at 5, 10, and 15 µM Cu. In comparison with the control, after 28 days of growth the 15 µM Cu‐treated plants showed a reduction in the tolerance index (−40%) and in the above‐ground dry biomass (−19%). On the contrary, an increase in the below‐ground dry weight was observed (+35%). Copper accumulated during the growth period both in the below‐ and above‐ground parts (about 14 and 4 µg plant−1 at 10 and 15 µM Cu, respectively), but the translocation decreased from 50 to 30% in the last week at all the concentrations used. In addition, cv. Rimbo grown in a multiple element [cadmium (Cd), chromium (Cr), Cu, lead (Pb), and zinc (Zn)] naturally‐contaminated site accumulated all elements in the above‐ground part in a range from 5 to 62 µg plant−1.
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Claims 11
Claim · model-written summary
Aurea showed high germinability and long roots under copper exposure.
- Taxon
- Brassica juncea
Brassica junceae0 - Material
- Aureae0
- Treatment
- Cu concentrations ranging from 25 up to 200 µMe0
- Outcome
- highest germinability and longest rootse0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Brassica juncea cv. Aurea and Raphanus sativus cvs. Rimbo and Saxa were the species with the highest germinability and longest roots at Cu concentrations ranging from 25 up to 200 µM.”
Claim · model-written summary
Rimbo showed high germinability and long roots under copper exposure.
- Taxon
- Raphanus sativus
Raphanus sativuse0 - Material
- Rimboe0
- Treatment
- Cu concentrations ranging from 25 up to 200 µMe0
- Outcome
- highest germinability and longest rootse0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Brassica juncea cv. Aurea and Raphanus sativus cvs. Rimbo and Saxa were the species with the highest germinability and longest roots at Cu concentrations ranging from 25 up to 200 µM.”
Claim · model-written summary
Saxa showed high germinability and long roots under copper exposure.
- Taxon
- Raphanus sativusRaphanus sativuse0
- Material
- Saxae0
- Treatment
- Cu concentrations ranging from 25 up to 200 µMe0
- Outcome
- highest germinability and longest rootse0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Brassica juncea cv. Aurea and Raphanus sativus cvs. Rimbo and Saxa were the species with the highest germinability and longest roots at Cu concentrations ranging from 25 up to 200 µM.”
Claim · model-written summary
Rimbo produced 17.2 mg per plant biomass at the highest copper concentration.
- Taxon
- Raphanus sativusRaphanus sativuse0
- Material
- Rimboe0
- Treatment
- from 0.12 up to 40 µMe0
- Outcome
- biomasse0
- Direction
- relatively highe0
- Value
- 17.2 mg plant−1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Raphanus sativus cv. Rimbo grown in hydroponic culture at increasing Cu concentrations (from 0.12 up to 40 µM) for 10 days produced a relatively high biomass (17.2 mg plant−1) at the highest concentration”
Claim · model-written summary
Rimbo translocated copper more efficiently than Aurea and Saxa, at 17.8%.
- Taxon
- Raphanus sativusRaphanus sativuse1
- Material
- Rimboe1
- Outcome
- Cu translocatione0
- Direction
- more efficiente0
- Value
- 17.8%e0
- Comparator
- cvs. Aurea and Saxae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“had a more efficient Cu translocation (17.8%) in comparison with cvs. Aurea and Saxa.”
t0“Uptake and Translocation of Copper inBrassicaceae”
e1“Raphanus sativus cv. Rimbo grown in hydroponic culture”
e2“The potential of cv. Rimbo for Cu uptake was then followed for 28 days at 5, 10, and 15 µM Cu.”
Claim · model-written summary
At 15 µM copper, Rimbo tolerance index fell 40% relative to control.
- Taxon
- Raphanus sativusRaphanus sativuse1
- Material
- Rimboe1
- Treatment
- 15 µM Cu‐treatede0
- Outcome
- tolerance indexe0
- Direction
- reductione0
- Value
- −40%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In comparison with the control, after 28 days of growth the 15 µM Cu‐treated plants showed a reduction in the tolerance index (−40%) and in the above‐ground dry biomass (−19%).”
t0“Uptake and Translocation of Copper inBrassicaceae”
e1“Raphanus sativus cv. Rimbo grown in hydroponic culture”
e2“The potential of cv. Rimbo for Cu uptake was then followed for 28 days at 5, 10, and 15 µM Cu.”
Claim · model-written summary
At 15 µM copper, Rimbo above-ground dry biomass fell 19% relative to control.
- Taxon
- Raphanus sativusRaphanus sativuse1
- Material
- Rimboe1
- Treatment
- 15 µM Cu‐treatede0
- Outcome
- above‐ground dry biomasse0
- Direction
- reductione0
- Value
- −19%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In comparison with the control, after 28 days of growth the 15 µM Cu‐treated plants showed a reduction in the tolerance index (−40%) and in the above‐ground dry biomass (−19%).”
t0“Uptake and Translocation of Copper inBrassicaceae”
e1“Raphanus sativus cv. Rimbo grown in hydroponic culture”
e2“The potential of cv. Rimbo for Cu uptake was then followed for 28 days at 5, 10, and 15 µM Cu.”
Claim · model-written summary
At 15 µM copper, Rimbo below-ground dry weight increased 35%.
- Taxon
- Raphanus sativusRaphanus sativuse1
- Material
- Rimboe1
- Treatment
- 15 µM Cue2
- Outcome
- below‐ground dry weighte0
- Direction
- increasee0
- Value
- +35%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“On the contrary, an increase in the below‐ground dry weight was observed (+35%).”
t0“Uptake and Translocation of Copper inBrassicaceae”
e1“Raphanus sativus cv. Rimbo grown in hydroponic culture”
e2“The potential of cv. Rimbo for Cu uptake was then followed for 28 days at 5, 10, and 15 µM Cu.”
Claim · model-written summary
Copper accumulated below ground during growth, to about 14 µg per plant.
- Taxon
- Raphanus sativusRaphanus sativuse1
- Material
- Rimboe1
- Outcome
- Copper accumulated during the growth period both in the below‐ and above‐ground partse0
- Direction
- accumulatede0
- Value
- about 14 and 4 µg plant−1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Copper accumulated during the growth period both in the below‐ and above‐ground parts (about 14 and 4 µg plant−1 at 10 and 15 µM Cu, respectively)”
t0“Uptake and Translocation of Copper inBrassicaceae”
e1“Raphanus sativus cv. Rimbo grown in hydroponic culture”
e2“The potential of cv. Rimbo for Cu uptake was then followed for 28 days at 5, 10, and 15 µM Cu.”
Claim · model-written summary
Copper translocation declined from 50% to 30% during the final week.
- Taxon
- Raphanus sativusRaphanus sativuse1
- Material
- Rimboe1
- Outcome
- translocatione0
- Direction
- decreasede0
- Value
- 50 to 30%e0
- Qualifier
- in the last week at all the concentrations usede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the translocation decreased from 50 to 30% in the last week at all the concentrations used.”
t0“Uptake and Translocation of Copper inBrassicaceae”
e1“Raphanus sativus cv. Rimbo grown in hydroponic culture”
e2“The potential of cv. Rimbo for Cu uptake was then followed for 28 days at 5, 10, and 15 µM Cu.”
Claim · model-written summary
At a naturally contaminated site, Rimbo accumulated cadmium, chromium, copper, lead and zinc above ground at 5–62 µg per plant.
- Taxon
- Raphanus sativusRaphanus sativuse1
- Material
- Rimboe0
- Outcome
- accumulated all elements in the above‐ground parte0
- Direction
- accumulatede0
- Value
- 5 to 62 µg plant−1e0
- Setting
- naturally‐contaminated sitee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cv. Rimbo grown in a multiple element [cadmium (Cd), chromium (Cr), Cu, lead (Pb), and zinc (Zn)] naturally‐contaminated site accumulated all elements in the above‐ground part in a range from 5 to 62 µg plant−1.”
t0“Uptake and Translocation of Copper inBrassicaceae”
e1“Raphanus sativus cv. Rimbo grown in hydroponic culture”
e2“The potential of cv. Rimbo for Cu uptake was then followed for 28 days at 5, 10, and 15 µM Cu.”
The same questions in other papers
copper atom · growth · Raphanus sativus (radish)Positive and negative results
5 in the opposite direction
- negative
- negative
- negative
2 papers more in this group
See all 6 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.