Abstract
This study was conducted to evaluate the effects of bacteria and ethylene diamine tetraacetic acid (EDTA) on the growth and lead (Pb) accumulation of wheat (Triticum aestivum, L.) grown in sterile and non-sterile soils. Wheat seeds were inoculated with two strains of commercial bacteria; Pseudomonas monteilii (B1) and Wautersia metallidurans (B2). Inoculated seeds were planted in plastic tubes containing sterile or non-sterile soil mixture consisting of topsoil and peat (2:1, v: v) that had been spiked with various amounts (0, 500, 1000, 2000 mg Pb/Kg dry soil) of lead nitrate. The plants were allowed to grow for six weeks in a naturally lit greenhouse. Our results showed that there were higher Pb concentrations in shoots of plants treated with EDTA + B1 and EDTA + B2 that were grown in non-sterile soils as compared to treatments in sterile soils. These results indicated that EDTA + bacteria may have synergized to mobilize Pb in the soil for plant uptake and translocation. In general, EDTA, bacteria, and a combination of both, increased the shoot and root Pb uptake and dry biomass in wheat.
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Claims 8
Claim · model-written summary
EDTA with Pseudomonas monteilii produced higher shoot lead concentration in non-sterile than sterile soil.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- EDTA + B1e0
- Interactor
- Pseudomonas monteiliiPseudomonas monteiliie1symbiont
- Outcome
- Pb concentrations in shootse0
- Direction
- highere0
- Comparator
- treatments in sterile soilse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher Pb concentrations in shoots of plants treated with EDTA + B1 and EDTA + B2 that were grown in non-sterile soils as compared to treatments in sterile soils”
t0“Wheat”
e1“Pseudomonas monteilii (B1) and Wautersia metallidurans (B2)”
Claim · model-written summary
EDTA with Wautersia metallidurans produced higher shoot lead concentration in non-sterile than sterile soil.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- EDTA + B2e0
- Interactor
- Wautersia metalliduransCupriavidus metalliduranse1symbiont
- Outcome
- Pb concentrations in shootse0
- Direction
- highere0
- Comparator
- treatments in sterile soilse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher Pb concentrations in shoots of plants treated with EDTA + B1 and EDTA + B2 that were grown in non-sterile soils as compared to treatments in sterile soils”
t0“Wheat”
e1“Pseudomonas monteilii (B1) and Wautersia metallidurans (B2)”
Claim · model-written summary
EDTA increased wheat shoot and root lead uptake.
- Taxon
- wheatTriticum aestivume0
- Treatment
- EDTAe0
- Outcome
- shoot and root Pb uptakee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In general, EDTA, bacteria, and a combination of both, increased the shoot and root Pb uptake and dry biomass in wheat”
Claim · model-written summary
Bacteria increased wheat shoot and root lead uptake.
- Taxon
- wheatTriticum aestivume0
- Treatment
- bacteriae0
- Outcome
- shoot and root Pb uptakee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In general, EDTA, bacteria, and a combination of both, increased the shoot and root Pb uptake and dry biomass in wheat”
Claim · model-written summary
EDTA and bacteria together increased wheat shoot and root lead uptake.
- Taxon
- wheatTriticum aestivume0
- Treatment
- a combination of bothe0
- Outcome
- shoot and root Pb uptakee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In general, EDTA, bacteria, and a combination of both, increased the shoot and root Pb uptake and dry biomass in wheat”
Claim · model-written summary
EDTA increased wheat dry biomass.
- Taxon
- wheatTriticum aestivume0
- Treatment
- EDTAe0
- Outcome
- dry biomasse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In general, EDTA, bacteria, and a combination of both, increased the shoot and root Pb uptake and dry biomass in wheat”
Claim · model-written summary
Bacteria increased wheat dry biomass.
- Taxon
- wheatTriticum aestivume0
- Treatment
- bacteriae0
- Outcome
- dry biomasse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In general, EDTA, bacteria, and a combination of both, increased the shoot and root Pb uptake and dry biomass in wheat”
Claim · model-written summary
EDTA and bacteria together increased wheat dry biomass.
- Taxon
- wheatTriticum aestivume0
- Treatment
- a combination of bothe0
- Outcome
- dry biomasse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In general, EDTA, bacteria, and a combination of both, increased the shoot and root Pb uptake and dry biomass in wheat”
The same questions in other papers
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- negative
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See all 9 papers →ethylenediaminetetraacetic acid · nutrient: content · Triticum aestivum (wheat)Results agree
6 papers in the same direction as this paper
- positive
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See all 7 papers →inoculation · Bacteria · Triticum aestivum (wheat)Positive and negative results
27 papers in the same direction as this paper · 4 in the opposite direction
- no effect
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See all 32 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.