Abstract
Heavy metals are contaminants of much environmental apprehension, as they are hazardous to human being and other biota. Buildup of heavy metals in crop plants is of great concern due to the probability of food contamination through the soil-root interface. For this purpose, a hydroponic study was conducted to evaluate the efficacy of sunflower plant to phytoremediate Pb and Ni contaminated water in the absence and presence of synthetic chelator. Results showed that application of Ni and Pb reduced the dry weights of shoot and root (up to 55.1 and 38.3%; 50.5 and 33.6%), shoot and root length (up to 64.5 and 58.1%; 64.1 and 55.8%), chlorophyll content (up to 63.8 and 54.4%), and photosynthetic activity (up to 66.1 and 62.7%), respectively with EDTA as compared to control. While, maximum concentration of Ni and Pb in shoot and root (up to 18.43 and 20.73 mg kg -1 ; 12.82 and 18.67 mg kg -1 ), total accumulation (up to 55.82 and 72.28 mg kg -1 ), and proline content (up to 128.2 and 98.3%) were recorded in the presence of EDTA respectively as compared to control. Generally, it was observed that concentration and total accumulation of Pb was more than Ni in sunflower plant. The study concludes that the use of synthetic chelator increased the uptake and translocation of heavy metals in plant biomass that could enhance the phytoremediation of Ni and Pb from contaminated water.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 9
Claim · model-written summary
Ni and Pb with EDTA reduced sunflower shoot and root dry weights, respectively.
- Taxon
- SUNFLOWER
Helianthus annuust0 - Treatment
- Ni and Pbe0
- Outcome
- dry weights of shoot and roote0
- Direction
- reducede0
- Qualifier
- with EDTAe1
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“SUNFLOWER”
e0“application of Ni and Pb reduced the dry weights of shoot and root (up to 55.1 and 38.3%; 50.5 and 33.6%)”
e1“respectively with EDTA as compared to control”
Claim · model-written summary
Ni and Pb with EDTA reduced sunflower shoot and root length.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- Ni and Pbe1
- Outcome
- shoot and root lengthe0
- Direction
- reducede1
- Comparator
- controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“SUNFLOWER”
e0“shoot and root length (up to 64.5 and 58.1%; 64.1 and 55.8%)”
e1“application of Ni and Pb reduced”
e2“respectively with EDTA as compared to control”
Claim · model-written summary
Ni and Pb with EDTA reduced sunflower chlorophyll content.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- Ni and Pbe1
- Outcome
- chlorophyll contente0
- Direction
- reducede1
- Comparator
- controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“SUNFLOWER”
e0“chlorophyll content (up to 63.8 and 54.4%)”
e1“application of Ni and Pb reduced”
e2“respectively with EDTA as compared to control”
Claim · model-written summary
Ni and Pb with EDTA reduced sunflower photosynthetic activity.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- Ni and Pbe1
- Outcome
- photosynthetic activitye0
- Direction
- reducede1
- Comparator
- controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“SUNFLOWER”
e0“photosynthetic activity (up to 66.1 and 62.7%)”
e1“application of Ni and Pb reduced”
e2“respectively with EDTA as compared to control”
Claim · model-written summary
With EDTA, sunflower shoot and root Ni concentrations reached reported maxima.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- EDTAe1
- Outcome
- concentration of Ni and Pb in shoot and roote0
- Direction
- maximume0
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“SUNFLOWER”
e0“maximum concentration of Ni and Pb in shoot and root (up to 18.43 and 20.73 mg kg -1 ; 12.82 and 18.67 mg kg -1 )”
e1“in the presence of EDTA respectively as compared to control”
Claim · model-written summary
Total Ni and Pb accumulation reached maxima with EDTA.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- EDTAe1
- Outcome
- total accumulatione0
- Comparator
- controle1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“SUNFLOWER”
e0“total accumulation (up to 55.82 and 72.28 mg kg -1 )”
e1“in the presence of EDTA respectively as compared to control”
Claim · model-written summary
Proline content reached reported maxima with EDTA.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- EDTAe1
- Outcome
- proline contente0
- Comparator
- controle1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“SUNFLOWER”
e0“proline content (up to 128.2 and 98.3%)”
e1“in the presence of EDTA respectively as compared to control”
Claim · model-written summary
Sunflower Pb concentration and total accumulation exceeded Ni.
- Taxon
- sunflower plantHelianthus annuuse0
- Outcome
- concentration and total accumulation of Pbe0
- Direction
- more thane0
- Comparator
- Nie0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“concentration and total accumulation of Pb was more than Ni in sunflower plant”
Claim · model-written summary
The authors conclude that synthetic chelator increased heavy-metal uptake and translocation.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- synthetic chelatore0
- Outcome
- uptake and translocation of heavy metals in plant biomasse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“SUNFLOWER”
e0“the use of synthetic chelator increased the uptake and translocation of heavy metals in plant biomass”
The same questions in other papers
lead atom · physiology: pigments · Helianthus annuus (common sunflower)Results differ
4 papers in the same direction as this paper
- negative
- negative
- negative
1 paper more in this group
See all 5 papers →lead atom · growth · Helianthus annuus (common sunflower)Results differ
10 papers in the same direction as this paper · 3 in the opposite direction
- positive
- positive
- positive
10 papers more in this group
See all 14 papers →nickel atom · physiology: photosynthesis · Helianthus annuus (common sunflower)Results agree
1 paper in the same direction as this paper
- negative
lead atom · physiology: photosynthesis · Helianthus annuus (common sunflower)Results agree
2 papers in the same direction as this paper
- negative
- no effect
nickel atom · growth · Helianthus annuus (common sunflower)Results agree
3 papers in the same direction as this paper
- negative
- negative
- negative
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.