Abstract
Phytoremediation is a clean and green potentially cost-effective technology for remediating heavy metal-contaminated soil. In this study, a pot experiment was set up in which ornamental Tagetes erecta L. was grown in the pots with three concentrations i.e., 0, 5, and 10% of contaminated soil amended with compost (2%) in all pots of the experiment following three treatments of bacteria i.e., Co, Stutzerimonas stutzeri and Pseudomonas sundara. The experiment was composed of three replicates. After sixty days of the experiment, the plants were harvested. After harvesting morphological, physiological, antioxidants, and pollution parameters were investigated. By the inoculation of the S. stutzeri and P. sundara the height and biomass of the T. erecta enhanced as compared to control. Inoculated bacteria S. stutzeri and P. sundara enhanced the pigments, protein and water content of the plants. Bacteria also enhanced the antioxidants e.g., melatonin, catalase, peroxidase, ascorbate peroxidase and proline to minimize oxidative stress as evidenced by the reduction of hydrogen peroxide. The plants treated with S. stutzeri and P. sundara absorb high concentrations of heavy metals (chromium, cadmium and lead) in their parts. Post-analysis of the soil showed a decrease in pollution indicators. The results of this study can be used for the management and decontamination of the heavy metal polluted sites with the help of hyperaccumulator ornamental plants by inoculation of bacteria.
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Claims 7
Claim · model-written summary
Inoculation with S. stutzeri and P. sundara enhanced the height and biomass of Tagetes erecta compared with control.
- Taxon
- Tagetes erecta
Tagetes erectae0 - Treatment
- inoculation of the S. stutzeri and P. sundarae1
- Interactor
- S. stutzeri
Stutzerimonas stutzerie1symbiont - Second interactor
- P. sundarae1symbiont
- Outcome
- height and biomasse1
- Direction
- enhancede1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ornamental Tagetes erecta L. was grown in the pots”
e1“By the inoculation of the S. stutzeri and P. sundara the height and biomass of the T. erecta enhanced as compared to control”
Claim · model-written summary
Inoculated S. stutzeri and P. sundara enhanced the pigments, protein and water content of Tagetes erecta.
- Taxon
- Tagetes erectaTagetes erectae0
- Treatment
- Inoculated bacteriae2
- Interactor
- S. stutzeriStutzerimonas stutzerie2symbiont
- Second interactor
- P. sundarae2symbiont
- Outcome
- pigments, protein and water contente2
- Direction
- enhancede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ornamental Tagetes erecta L. was grown in the pots”
e2“Inoculated bacteria S. stutzeri and P. sundara enhanced the pigments, protein and water content of the plants”
Claim · model-written summary
Bacteria enhanced melatonin, catalase and peroxidase in Tagetes erecta.
- Taxon
- Tagetes erectaTagetes erectae0
- Treatment
- Bacteriae3
- Outcome
- melatonin, catalase, peroxidasee3
- Direction
- enhancede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ornamental Tagetes erecta L. was grown in the pots”
e3“Bacteria also enhanced the antioxidants e.g., melatonin, catalase, peroxidase, ascorbate peroxidase and proline”
Claim · model-written summary
Bacteria enhanced ascorbate peroxidase and proline in Tagetes erecta.
- Taxon
- Tagetes erectaTagetes erectae0
- Treatment
- Bacteriae3
- Outcome
- ascorbate peroxidase and prolinee3
- Direction
- enhancede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ornamental Tagetes erecta L. was grown in the pots”
e3“Bacteria also enhanced the antioxidants e.g., melatonin, catalase, peroxidase, ascorbate peroxidase and proline”
Claim · model-written summary
Bacterial inoculation reduced hydrogen peroxide in Tagetes erecta.
- Taxon
- Tagetes erectaTagetes erectae0
- Treatment
- Bacteriae3
- Outcome
- hydrogen peroxidee4
- Direction
- reductione4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ornamental Tagetes erecta L. was grown in the pots”
e3“Bacteria also enhanced the antioxidants e.g., melatonin, catalase, peroxidase, ascorbate peroxidase and proline”
e4“as evidenced by the reduction of hydrogen peroxide”
Claim · model-written summary
Tagetes erecta treated with S. stutzeri and P. sundara absorbed high concentrations of chromium, cadmium and lead in its parts.
- Taxon
- Tagetes erectaTagetes erectae0
- Treatment
- S. stutzeri and P. sundarae5
- Interactor
- S. stutzeriStutzerimonas stutzerie5symbiont
- Second interactor
- P. sundarae5symbiont
- Outcome
- heavy metals (chromium, cadmium and lead)e5
- Direction
- high concentrationse5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ornamental Tagetes erecta L. was grown in the pots”
e5“The plants treated with S. stutzeri and P. sundara absorb high concentrations of heavy metals (chromium, cadmium and lead) in their parts”
Claim · model-written summary
Soil pollution indicators decreased after the pot experiment with Tagetes erecta.
- Taxon
- Tagetes erectaTagetes erectae0
- Outcome
- pollution indicatorse6
- Direction
- decreasee6
- Setting
- pot experimente7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ornamental Tagetes erecta L. was grown in the pots”
e7“a pot experiment was set up in which”
e6“Post-analysis of the soil showed a decrease in pollution indicators”
The same questions in other papers
inoculation · growth · Tagetes erecta (African marigold)Results agree
10 papers in the same direction as this paper
- positive
- positive
- positive
7 papers more in this group
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.