Abstract
Abstract Under the conditions of a growing experiment, the authors studied the effect of zinc at concentrations of 5 (control), 50, 100, and 150 mg/kg substrate on growth, the intensity of lipid peroxidation (LPO), and the activity of the components of the antioxidant system in Brassica juncea L. (Сzern.) variety Slavyanka and Sinapis alba L. cultivar Belgium plants. Some differences and similarities were found in the AOS response of the studied species to an excess of zinc in the root environment. Thus, there were no changes in the intensity of lipid peroxidation in B. juncea under the influence of zinc in high concentrations, despite the high content of the metal in the roots and shoots. At the same time, even in the presence of metal at a concentration of 50 mg/kg substrate, an increase in the activity of guaiacol peroxidase (GPX) and catalase was observed. In S. alba at high concentrations of zinc in the substrate, the metal content in the shoots was higher than in B. juncea. At the same time, the content of malondialdehyde noticeably increased, despite the increased activity of superoxide dismutase and GPX. In both studied plant species, an increase in the zinc concentration in the substrate to 50 mg/kg and above led to an increase in the level of proline, while the content of carotenoids decreased. Considering that, in the studied concentrations, the metal had a less strong negative effect on shoot growth in B. juncea compared with S. alba, it was concluded that plants of this species are more resistant to excess zinc in the root environment.
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Claims 8
Claim · model-written summary
High zinc did not change lipid peroxidation intensity in B. juncea.
- Taxon
- B. juncea
Brassica junceae0 - Treatment
- zinc in high concentrationse0
- Outcome
- intensity of lipid peroxidatione0
- Direction
- no changese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there were no changes in the intensity of lipid peroxidation in B. juncea under the influence of zinc in high concentrations”
Claim · model-written summary
Zinc at 50 mg/kg substrate increased guaiacol peroxidase and catalase activity in B. juncea.
- Taxon
- B. junceaBrassica junceae1
- Treatment
- metal at a concentration of 50 mg/kg substratee0
- Outcome
- activity of guaiacol peroxidase (GPX) and catalasee0
- Direction
- an increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“even in the presence of metal at a concentration of 50 mg/kg substrate, an increase in the activity of guaiacol peroxidase (GPX) and catalase was observed”
e1“in B. juncea under the influence of zinc”
Claim · model-written summary
At high substrate zinc, shoot metal content was higher in S. alba than B. juncea.
- Taxon
- S. alba
Sinapis albae0 - Treatment
- high concentrations of zinc in the substratee0
- Outcome
- metal content in the shootse0
- Direction
- highere0
- Comparator
- B. junceae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In S. alba at high concentrations of zinc in the substrate, the metal content in the shoots was higher than in B. juncea”
Claim · model-written summary
Malondialdehyde content increased in S. alba under zinc excess.
- Taxon
- S. albaSinapis albae0
- Treatment
- high concentrations of zinc in the substratee0
- Outcome
- content of malondialdehydee0
- Direction
- noticeably increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In S. alba at high concentrations of zinc in the substrate, the metal content in the shoots was higher than in B. juncea. At the same time, the content of malondialdehyde noticeably increased”
Claim · model-written summary
Superoxide dismutase and GPX activity increased in S. alba.
- Taxon
- S. albaSinapis albae0
- Treatment
- high concentrations of zinc in the substratee0
- Outcome
- activity of superoxide dismutase and GPXe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In S. alba at high concentrations of zinc in the substrate, the metal content in the shoots was higher than in B. juncea. At the same time, the content of malondialdehyde noticeably increased, despite the increased activity of superoxide dismutase and GPX”
Claim · model-written summary
Zinc of 50 mg/kg or more increased proline in both species.
- Taxon
- Brassica juncea L. (Czern.) and Sinapis alba L.Brassica junceaSinapis albat0
- Treatment
- zinc concentration in the substrate to 50 mg/kg and abovee0
- Outcome
- level of prolinee0
- Direction
- an increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In both studied plant species, an increase in the zinc concentration in the substrate to 50 mg/kg and above led to an increase in the level of proline”
t0“Brassica juncea L. (Czern.) and Sinapis alba L.”
Claim · model-written summary
Zinc of 50 mg/kg or more decreased carotenoids in both species.
- Taxon
- Brassica juncea L. (Czern.) and Sinapis alba L.Brassica junceaSinapis albat0
- Treatment
- zinc concentration in the substrate to 50 mg/kg and abovee0
- Outcome
- content of carotenoidse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In both studied plant species, an increase in the zinc concentration in the substrate to 50 mg/kg and above led to an increase in the level of proline, while the content of carotenoids decreased”
t0“Brassica juncea L. (Czern.) and Sinapis alba L.”
Claim · model-written summary
Zinc affected shoot growth less strongly in B. juncea than S. alba.
- Taxon
- B. junceaBrassica junceae0
- Treatment
- the metale0
- Outcome
- shoot growthe0
- Direction
- less strong negative effecte0
- Comparator
- S. albae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the metal had a less strong negative effect on shoot growth in B. juncea compared with S. alba”
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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.