Abstract
In this paper, the impact of arbuscular mycorrhizal fungi (AMF) Rhizophagus irregularis and/or rhizobacteria Bradyrhizobium ORS on Acacia mangium growth and its phytoremediation efficiency in metal-contaminated soils were studied in a greenhouse pot culture under five treatments during 120 days: non-inoculated control absolute without inoculum (Ta), non-inoculated control with sterilized inoculum of Bradyrhizobium and Rhizophagus irregularis (T); inoculated with Bradyrhizobium ORS (R); inoculated with Rhizophagus irregularis (M), inoculated with both Rhizophagus irregularis and Bradyrhizobium ORS (MR). Our results showed that inoculation of Acacia mangium with Bradyrhizobium or AMF Rhizophagus irregularis individually and with both inoculants significantly increase (P<0.05) in the height (2-fold), total dry biomass weight (10 to 15fold), nodulation (2 to 100-fold), and metal uptake of the plant (1.5 to 14-fold), as compared with the non-inoculated plant. These findings demonstrated the concomitant stimulation of biomass production, nodulation and metal immobilization of Acacia mangium in presence of these microorganisms in metal-contaminated soils. It appears that under metal toxicity, rhizobacteria species can complement the AMF and improve the effectiveness of phytoremediation of plant. Additionally, the present study suggests that Response.
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Claims 4
Claim · model-written summary
Inoculation with Bradyrhizobium, Rhizophagus irregularis, or both increased height by 2-fold compared with non-inoculated plants.
- Taxon
- Acacia mangium
Acacia mangiume0 - Treatment
- inoculation of Acacia mangium with Bradyrhizobium or AMF Rhizophagus irregularis individually and with both inoculantse0
- Interactor
- Bradyrhizobium
Bradyrhizobiume0symbiont - Second interactor
- Rhizophagus irregularis
Rhizophagus irregularise0symbiont - Outcome
- heighte0
- Direction
- increasee0
- Value
- 2-folde0
- Comparator
- non-inoculated plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Our results showed that inoculation of Acacia mangium with Bradyrhizobium or AMF Rhizophagus irregularis individually and with both inoculants significantly increase (P<0.05) in the height (2-fold), total dry biomass weight (10 to 15fold), nodulation (2 to 100-fold), and metal uptake of the plant (1.5 to 14-fold), as compared with the non-inoculated plant.”
Claim · model-written summary
Inoculation with Bradyrhizobium, Rhizophagus irregularis, or both increased total dry biomass weight by 10 to 15fold compared with non-inoculated plants.
- Taxon
- Acacia mangiumAcacia mangiume0
- Treatment
- inoculation of Acacia mangium with Bradyrhizobium or AMF Rhizophagus irregularis individually and with both inoculantse0
- Interactor
- BradyrhizobiumBradyrhizobiume0symbiont
- Second interactor
- Rhizophagus irregularisRhizophagus irregularise0symbiont
- Outcome
- total dry biomass weighte0
- Direction
- increasee0
- Value
- 10 to 15folde0
- Comparator
- non-inoculated plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Our results showed that inoculation of Acacia mangium with Bradyrhizobium or AMF Rhizophagus irregularis individually and with both inoculants significantly increase (P<0.05) in the height (2-fold), total dry biomass weight (10 to 15fold), nodulation (2 to 100-fold), and metal uptake of the plant (1.5 to 14-fold), as compared with the non-inoculated plant.”
Claim · model-written summary
Inoculation with Bradyrhizobium, Rhizophagus irregularis, or both increased nodulation by 2 to 100-fold compared with non-inoculated plants.
- Taxon
- Acacia mangiumAcacia mangiume0
- Treatment
- inoculation of Acacia mangium with Bradyrhizobium or AMF Rhizophagus irregularis individually and with both inoculantse0
- Interactor
- BradyrhizobiumBradyrhizobiume0symbiont
- Second interactor
- Rhizophagus irregularisRhizophagus irregularise0symbiont
- Outcome
- nodulatione0
- Direction
- increasee0
- Value
- 2 to 100-folde0
- Comparator
- non-inoculated plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Our results showed that inoculation of Acacia mangium with Bradyrhizobium or AMF Rhizophagus irregularis individually and with both inoculants significantly increase (P<0.05) in the height (2-fold), total dry biomass weight (10 to 15fold), nodulation (2 to 100-fold), and metal uptake of the plant (1.5 to 14-fold), as compared with the non-inoculated plant.”
Claim · model-written summary
Inoculation with Bradyrhizobium, Rhizophagus irregularis, or both increased metal uptake of the plant by 1.5 to 14-fold compared with non-inoculated plants.
- Taxon
- Acacia mangiumAcacia mangiume0
- Treatment
- inoculation of Acacia mangium with Bradyrhizobium or AMF Rhizophagus irregularis individually and with both inoculantse0
- Interactor
- BradyrhizobiumBradyrhizobiume0symbiont
- Second interactor
- Rhizophagus irregularisRhizophagus irregularise0symbiont
- Outcome
- metal uptake of the plante0
- Direction
- increasee0
- Value
- 1.5 to 14-folde0
- Comparator
- non-inoculated plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Our results showed that inoculation of Acacia mangium with Bradyrhizobium or AMF Rhizophagus irregularis individually and with both inoculants significantly increase (P<0.05) in the height (2-fold), total dry biomass weight (10 to 15fold), nodulation (2 to 100-fold), and metal uptake of the plant (1.5 to 14-fold), as compared with the non-inoculated plant.”
The same questions in other papers
Bradyrhizobium · growth · Acacia mangiumResults agree
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- positive
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inoculation · symbiosis · Acacia mangiumResults agree
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mycorrhiza · nutrient: content · Acacia mangiumResults agree
1 paper in the same direction as this paper
- positive
inoculation · nutrient: content · Acacia mangiumResults agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.