Abstract
Two maize cultivars ‘Premjia 190 MB’ and ‘Blitz 160 MB’, in their seedling stage were exposed for 3 days to Cd 2+ and Ni 2+ , separately and also jointly, in concentrations that caused significant inhibition but not cessation of root growth. Primary root growth, cell viability, tissue organization and root system morphology of both cultivars were similar under control conditions. Length of primary roots of both cultivars was significantly reduced by Cd and Ni ions and by the joint treatment (Cd+Ni), under which also early reduction of cell viability occurred. Comparing the two metals, Cd and Cd+Ni proved to be more toxic than Ni alone, with the exception of the effects on ‘Blitz 160 MB’lateral root formation. Comparing the cultivars, ‘Premija190 MB’ seemed to be more sensitive to Cd and Cd+Ni than to Ni in all studied parameters, while the early reduction of cell viability, activity of lateral root formation and root thickness in ‘Blitz 160 MB’ were more sensitive to Cd+Ni and Ni. The studied growth and morphological characteristics of roots suggest that, at least in the stage of 5 to 6-day-old seedlings, the cultivar ‘Blitz 160 MB’ responded more sensitively to experimentally induced heavy metal stress conditions than did the cultivar ‘Premjia 190 MB’.
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Claims 11
Claim · model-written summary
The two maize cultivars had similar root growth, viability, tissue organization and morphology under control conditions.
- Outcome
- Primary root growth, cell viability, tissue organizatione0
- Direction
- similare0
- Comparator
- both cultivarse0
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Primary root growth, cell viability, tissue organization and root system morphology of both cultivars were similar under control conditions”
e1“Two maize cultivars”
Claim · model-written summary
Cadmium reduced primary root length in both cultivars.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Length of primary roots of both cultivars was significantly reduced by Cd and Ni ions and by the joint treatment (Cd+Ni)”
e1“Two maize cultivars”
Claim · model-written summary
Nickel reduced primary root length in both cultivars.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Length of primary roots of both cultivars was significantly reduced by Cd and Ni ions and by the joint treatment (Cd+Ni)”
e1“Two maize cultivars”
Claim · model-written summary
Joint cadmium and nickel reduced primary root length in both cultivars.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Length of primary roots of both cultivars was significantly reduced by Cd and Ni ions and by the joint treatment (Cd+Ni)”
e1“Two maize cultivars”
Claim · model-written summary
Joint cadmium and nickel reduced cell viability early.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“joint treatment (Cd+Ni), under which also early reduction of cell viability occurred”
e1“Two maize cultivars”
Claim · model-written summary
Cadmium was more toxic than nickel alone in the studied root characteristics.
- Treatment
- Cde0
- Outcome
- more toxice0
- Direction
- more toxice0
- Qualifier
- with the exception of the effects on ‘Blitz 160 MB’lateral root formatione0
- Comparator
- Ni alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd and Cd+Ni proved to be more toxic than Ni alone, with the exception of the effects on ‘Blitz 160 MB’lateral root formation”
e1“Two maize cultivars”
Claim · model-written summary
Joint cadmium and nickel was more toxic than nickel alone, except for Blitz lateral root formation.
- Treatment
- Cd+Nie0
- Outcome
- more toxice0
- Direction
- more toxice0
- Qualifier
- with the exception of the effects on ‘Blitz 160 MB’lateral root formatione0
- Comparator
- Ni alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd and Cd+Ni proved to be more toxic than Ni alone, with the exception of the effects on ‘Blitz 160 MB’lateral root formation”
e1“Two maize cultivars”
Claim · model-written summary
Premija190 MB appeared more sensitive to cadmium than nickel across studied parameters.
- Material
- ‘Premija190 MB’e0
- Treatment
- Cde0
- Outcome
- all studied parameterse0
- Direction
- more sensitivee0
- Comparator
- Nie0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“‘Premija190 MB’ seemed to be more sensitive to Cd and Cd+Ni than to Ni in all studied parameters”
e1“Two maize cultivars”
Claim · model-written summary
Premija190 MB appeared more sensitive to joint cadmium and nickel than nickel across studied parameters.
- Material
- ‘Premija190 MB’e0
- Treatment
- Cd+Nie0
- Outcome
- all studied parameterse0
- Direction
- more sensitivee0
- Comparator
- Nie0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“‘Premija190 MB’ seemed to be more sensitive to Cd and Cd+Ni than to Ni in all studied parameters”
e1“Two maize cultivars”
Claim · model-written summary
Blitz 160 MB early cell viability, lateral root formation and root thickness were more sensitive to joint cadmium and nickel and nickel.
- Material
- ‘Blitz 160 MB’e0
- Treatment
- Cd+Ni and Nie0
- Outcome
- cell viability, activity of lateral root formation and root thicknesse0
- Direction
- more sensitivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early reduction of cell viability, activity of lateral root formation and root thickness in ‘Blitz 160 MB’ were more sensitive to Cd+Ni and Ni”
e1“Two maize cultivars”
Claim · model-written summary
The authors concluded that Blitz 160 MB was more sensitive to heavy metal stress than Premjia 190 MB at five to six days old.
- Material
- ‘Blitz 160 MB’e0
- Organ / stage
- 5 to 6-day-old seedlingse0
- Outcome
- responded more sensitivelye0
- Direction
- more sensitivelye0
- Comparator
- ‘Premjia 190 MB’e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at least in the stage of 5 to 6-day-old seedlings, the cultivar ‘Blitz 160 MB’ responded more sensitively to experimentally induced heavy metal stress conditions than did the cultivar ‘Premjia 190 MB’”
e1“Two maize cultivars”
The same questions in other papers
cadmium atom · cytology · Zea mays (maize)Results agree
2 papers in the same direction as this paper
- negative
- negative
nickel atom · cytology · Zea mays (maize)Results agree
4 papers in the same direction as this paper
- negative
- negative
- negative
1 paper more in this group
See all 5 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.