Abstract
The effect of arbuscular-mycorrhiza on uptake and translocation of heavy metals by guar (Cyamopsis tetragonaloba L. Taub.) was investigated in soil contaminated by low and high concentrations of heavy metals viz, Zn, Cu, Cd and Ni. The plants were inoculated with four different AM fungi viz., Acaulospora denticulata, Gigaspora albida, Glomus albidum and Sclerocystis sinuosa. AM colonization was not affected by lower metal concentrations and it was observed up to 77% with a G. albida + 1/2 dose of Zn. High soil concentrations of Ni and Cd reduced percentage of root colonization and dry biomass of guar plants. Mycorrhizal plants grew better but growth of mycorrhizal guar plants in heavy metal toxicated soil remained equal to those of uninoculated, non-contaminated control. Accumulation of heavy metals was higher in roots than in leaves. These results indicate the possibilities of using mycorrhizal fungi for extraction of heavy metals from polluted soil which were retained in the fungal structures and restricts subsequent metal transfer to host plant.
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Claims 6
Claim · model-written summary
Low metal concentration did not affect AM colonization, which reached 77% with G. albida and half-dose Zn.
- Taxon
- guar
Cyamopsis tetragonolobae1 - Treatment
- lower metal concentrationse0
- Interactor
- G. albidaGigaspora albidae0symbiont
- Outcome
- AM colonizatione0
- Direction
- not affectede0
- Value
- 77%e0
- Qualifier
- G. albida + 1/2 dose of Zne0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AM colonization was not affected by lower metal concentrations and it was observed up to 77% with a G. albida + 1/2 dose of Zn”
e1“guar (Cyamopsis tetragonaloba L. Taub.)”
Claim · model-written summary
High Ni and Cd concentrations reduced guar root colonization.
- Taxon
- guarCyamopsis tetragonolobae0
- Treatment
- High soil concentrations of Ni and Cde0
- Outcome
- percentage of root colonizatione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High soil concentrations of Ni and Cd reduced percentage of root colonization and dry biomass of guar plants”
Claim · model-written summary
High Ni and Cd concentrations reduced guar dry biomass.
- Taxon
- guarCyamopsis tetragonolobae0
- Treatment
- High soil concentrations of Ni and Cde0
- Outcome
- dry biomasse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High soil concentrations of Ni and Cd reduced percentage of root colonization and dry biomass of guar plants”
Claim · model-written summary
Mycorrhizal guar grew better but matched uninoculated non-contaminated controls under metal toxicity.
- Taxon
- guarCyamopsis tetragonolobae0
- Treatment
- Mycorrhizale0
- Outcome
- growthe0
- Direction
- remained equale0
- Comparator
- uninoculated, non-contaminated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mycorrhizal plants grew better but growth of mycorrhizal guar plants in heavy metal toxicated soil remained equal to those of uninoculated, non-contaminated control”
Claim · model-written summary
Guar accumulated more heavy metals in roots than leaves.
- Taxon
- guarCyamopsis tetragonolobae1
- Organ / stage
- rootse0
- Outcome
- Accumulation of heavy metalse0
- Direction
- highere0
- Comparator
- leavese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Accumulation of heavy metals was higher in roots than in leaves”
e1“guar (Cyamopsis tetragonaloba L. Taub.)”
Claim · model-written summary
Authors suggest mycorrhizal fungi for extracting heavy metals from polluted soil.
- Taxon
- guarCyamopsis tetragonolobae1
- Interactor
- mycorrhizal fungie0symbiont
- Outcome
- using mycorrhizal fungi for extraction of heavy metals from polluted soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These results indicate the possibilities of using mycorrhizal fungi for extraction of heavy metals from polluted soil which were retained in the fungal structures and restricts subsequent metal transfer to host plant”
e1“guar (Cyamopsis tetragonaloba L. Taub.)”
The same questions in other papers
cadmium atom · growth · Cyamopsis tetragonoloba (cluster bean)Results agree
1 paper in the same direction as this paper
- negative
mycorrhiza · growth · Cyamopsis tetragonoloba (cluster bean)Results 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.