Abstract
Soil Pollution due to various anthropogenic activities is harmful to human health and phytoremediation is one of the best and cheap way to remove heavy metal s from soil because heavy metals must be trans located and accumulated in the easily harvested part of the plants and Microbial activity in the rhizosphere of plants is several orders of magnitude greater than that in the bulk soil. Several strains of Bacillus and Pseudomonas increased the total amount of Cd accumulated by Brassica juncea seedlings (Salt et al., 1995). Increase in bioavailability and enhancement in root absorption of metals have been reported owing to soil microorganisms.We selected three locally available plants, Brassica juncea (L.) Czern., Macrotyloma uniflorum Lam Verdc..( Dolichos biflorus) and Medicago sativa L. The initial experiments have shown the promise of these plants for the accumulation of cadmium, chromium and nickel. Index of metal tolerance (IT), translocation factor (TF) and metal accumulation appeared be effective parameters for the identification of efficient plants for phytoextraction trials. Soil conditions such as pH and presence of chelating agents have shown to vary the solubility thus availability of metals. Change in availability /solubility of metals influence the overall metal uptake by plants. In order to increase the bioavailability of metals in soil accumulation trials have been conducted in presence of EDTA (0.5 g/kg soil) and microbial inoculum. Increase in cadmium accumulation was achieved by either addition of EDTA and/or microbial cultures when compared with control pots. EDTA and microbial culture have shown synergistic effect on metal accumulation by Dolichos biflorus and Medicago sativa. Field trials were carried out with Dolichos biflorus and Medicago sativa. On the basis of % survival, amount of metal accumulated and translocation factor Macrotyloma uniflorum Lam Verdc..(Dolichos biflorus) was appeared to be the most efficient plant and suitable candidate for phytoremediation technology.
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Claims 6
Claim · model-written summary
Initial experiments found the three selected plants promising for metal accumulation.
- Taxon
- Brassica juncea (L.) Czern.
Brassica junceae0 - Outcome
- accumulation of cadmium, chromium and nickele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We selected three locally available plants, Brassica juncea (L.) Czern., Macrotyloma uniflorum Lam Verdc..( Dolichos biflorus) and Medicago sativa L. The initial experiments have shown the promise of these plants for the accumulation of cadmium, chromium and nickel”
Claim · model-written summary
EDTA increased cadmium accumulation relative to control pots.
- Taxon
- BRASSICA JUNCEABrassica junceat0
- Treatment
- EDTA (0.5 g/kg soil)e0
- Outcome
- cadmium accumulatione0
- Direction
- Increasee0
- Comparator
- control potse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In order to increase the bioavailability of metals in soil accumulation trials have been conducted in presence of EDTA (0.5 g/kg soil) and microbial inoculum. Increase in cadmium accumulation was achieved by either addition of EDTA and/or microbial cultures when compared with control pots”
t0“BRASSICA JUNCEA (L.) CZERN., MACROTYLOMA UNIFLORUM LAM VERDC. (DOLICHOS BIFLORUS) AND MEDICAGO SATIVA L.”
Claim · model-written summary
Microbial cultures increased cadmium accumulation relative to control pots.
- Taxon
- BRASSICA JUNCEABrassica junceat0
- Treatment
- microbial culturese0
- Outcome
- cadmium accumulatione0
- Direction
- Increasee0
- Comparator
- control potse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increase in cadmium accumulation was achieved by either addition of EDTA and/or microbial cultures when compared with control pots”
t0“BRASSICA JUNCEA (L.) CZERN., MACROTYLOMA UNIFLORUM LAM VERDC. (DOLICHOS BIFLORUS) AND MEDICAGO SATIVA L.”
Claim · model-written summary
EDTA and microbial culture acted synergistically on metal accumulation by Dolichos biflorus.
- Taxon
- Dolichos biflorus
Vigna unguiculata subsp. cylindricae0 - Treatment
- EDTA and microbial culturee0
- Outcome
- metal accumulatione0
- Direction
- synergistic effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“EDTA and microbial culture have shown synergistic effect on metal accumulation by Dolichos biflorus and Medicago sativa”
Claim · model-written summary
EDTA and microbial culture acted synergistically on metal accumulation by Medicago sativa.
- Taxon
- Medicago sativa
Medicago sativae0 - Treatment
- EDTA and microbial culturee0
- Outcome
- metal accumulatione0
- Direction
- synergistic effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“EDTA and microbial culture have shown synergistic effect on metal accumulation by Dolichos biflorus and Medicago sativa”
Claim · model-written summary
Macrotyloma uniflorum was judged the most efficient phytoremediation candidate.
- Taxon
- Macrotyloma uniflorum
Macrotyloma uniflorume0 - Outcome
- most efficient plante0
- Direction
- most efficiente0
- Qualifier
- % survival, amount of metal accumulated and translocation factore0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“On the basis of % survival, amount of metal accumulated and translocation factor Macrotyloma uniflorum Lam Verdc..(Dolichos biflorus) was appeared to be the most efficient plant and suitable candidate for phytoremediation technology”
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2 papers more in this group
See all 6 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.