Abstract
The objective of present paper was to evaluate nickel phytoextraction capacity of Indian mustard plants (Brassica juncea arawali) with and without chelant application. The chelants chosen for the study were ethylene diamine tetraacetic acid (EDTA) and salicylic acid (SA). Seeds of Indian mustard were sown in nickel contaminated soils with nickel concentrations from 100 to 800 mg/l as nickel nitrate. Plants were harvested at four stages. Various morphological parameters, biochemical parameters and nickel phytoextraction potential of plants were studied. It was found that seed germination and percentage survival of Indian mustard reduced with increasing concentration of Ni. Addition of SA enhanced germination and survival of B. juncea, while EDTA played negative role. Plant growth parameters like numbers of branches and leaves, root length and shoot length decreased with increased concentrations of Ni. In general, EDTA decreased all morphological parameters, whereas SA stimulated them. EDTA treated plants showed 83-90% higher Ni accumulation compared to control for the applied Ni doses of 100-800 mg/l respectively. The Ni metal accumulation order was Ni+EDTA>Ni+SA>Ni. EDTA proved to be more efficient chelant than SA for Ni removal from contaminated soil.
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Claims 9
Claim · model-written summary
Seed germination and percentage survival of Indian mustard decreased with increasing Ni concentration.
- Taxon
- Indian mustard
Brassica junceae1 - Treatment
- increasing concentration of Nie1
- Outcome
- seed germination and percentage survivale1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“It was found that seed germination and percentage survival of Indian mustard reduced with increasing concentration of Ni”
Claim · model-written summary
Addition of salicylic acid enhanced seed germination and survival of Indian mustard.
- Taxon
- Indian mustardBrassica junceat0
- Treatment
- Addition of SAe3
- Outcome
- germination and survivale3
- Direction
- enhancede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Indian mustard (Brassica juncea arawali)”
e3“Addition of SA enhanced germination and survival of B. juncea, while EDTA played negative role”
Claim · model-written summary
EDTA had a negative effect on seed germination and survival of Indian mustard.
- Taxon
- Indian mustardBrassica junceat0
- Treatment
- EDTAe3
- Outcome
- germination and survivale3
- Direction
- decreaseinferrede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Indian mustard (Brassica juncea arawali)”
e3“Addition of SA enhanced germination and survival of B. juncea, while EDTA played negative role”
Claim · model-written summary
Growth parameters of Indian mustard, including numbers of branches and leaves, root length and shoot length, decreased with increased concentrations of Ni.
- Taxon
- Indian mustardBrassica junceat0
- Treatment
- increased concentrations of Nie4
- Outcome
- numbers of branches and leaves, root length and shoot lengthe4
- Direction
- decreasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Indian mustard (Brassica juncea arawali)”
e4“Plant growth parameters like numbers of branches and leaves, root length and shoot length decreased with increased concentrations of Ni”
Claim · model-written summary
EDTA decreased all morphological parameters of Indian mustard.
- Taxon
- Indian mustardBrassica junceat0
- Treatment
- EDTAe5
- Outcome
- all morphological parameterse5
- Direction
- decreasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Indian mustard (Brassica juncea arawali)”
e5“In general, EDTA decreased all morphological parameters, whereas SA stimulated them”
Claim · model-written summary
Salicylic acid stimulated morphological parameters of Indian mustard.
- Taxon
- Indian mustardBrassica junceat0
- Treatment
- SAe5
- Outcome
- morphological parameterse5
- Direction
- stimulatede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Indian mustard (Brassica juncea arawali)”
e5“In general, EDTA decreased all morphological parameters, whereas SA stimulated them”
Claim · model-written summary
EDTA-treated Indian mustard showed 83-90% higher Ni accumulation than control for the applied Ni doses of 100-800 mg/l.
- Taxon
- Indian mustardBrassica junceat0
- Treatment
- EDTAe6
- Outcome
- Ni accumulatione6
- Direction
- highere6
- Value
- 83-90%e6
- Qualifier
- for the applied Ni doses of 100-800 mg/l respectivelye6
- Comparator
- controle6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Indian mustard (Brassica juncea arawali)”
e6“EDTA treated plants showed 83-90% higher Ni accumulation compared to control for the applied Ni doses of 100-800 mg/l respectively”
Claim · model-written summary
The Ni metal accumulation order of Indian mustard was Ni+EDTA > Ni+SA > Ni.
- Taxon
- Indian mustardBrassica junceat0
- Outcome
- Ni metal accumulation ordere7
- Qualifier
- Ni+EDTA>Ni+SA>Nie7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Indian mustard (Brassica juncea arawali)”
e7“The Ni metal accumulation order was Ni+EDTA>Ni+SA>Ni”
Claim · model-written summary
EDTA was a more efficient chelant than salicylic acid for Ni removal from contaminated soil.
- Taxon
- Indian mustardBrassica junceat0
- Treatment
- EDTAe0
- Outcome
- Ni removal from contaminated soile0
- Direction
- more efficiente0
- Comparator
- SAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Indian mustard (Brassica juncea arawali)”
e0“EDTA proved to be more efficient chelant than SA for Ni removal from contaminated soil”
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See all 26 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.