Abstract
The comparative effect of fertilizers (NPK), plant growth regulators (GA3, IAA, Zeatin) and sodium chloride (NaCl) on Cd phytoaccumulation, proline and phenolics production in Cannabis sativa was evaluated. Proline and phenolices were correlated with Cd contents in plant. Cd significantly reduced the plant growth. Fertilizers application (in combination) most significantly increased the growth (19 cm root and 47 cm shoot) on Cd contaminated soil. All treatments increased the Cd contents in plant tissues. This increase was highly significant in fertilizers treated plants (1101, 121 and 544 ppm in roots, stem and leaves respectively). Significantly positive correlation was found between Cd concentration and dry biomass of root (R2=0.7511) and leaves (R2=0.5524). All treatments significantly increased the proline and total phenolics and maximum was recorded in NaCl treated plants followed by fertilizers. Proline was higher in roots while phenolics in leaves. The correlation between proline and phenolics was positive in leaf (R2=0.8439) and root (R2=0.5191). Proline and phenolics showed positive correlation with Cd concentration in plant. Conclusively, fertilizers in combination seem to be the better option for Cd phytoextraction. Further investigation is suggested to study the role of phenolics and proline in Cd phytoextraction.
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Claims 18
Claim · model-written summary
Proline and phenolics were correlated with plant Cd contents.
- Taxon
- Cannabis sativa
Cannabis sativat0 - Compound
- Proline and phenolicese0
- Outcome
- Cd contents in plante0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Proline and phenolices were correlated with Cd contents in plant.”
t0“Cannabis sativa”
Claim · model-written summary
Cd significantly reduced plant growth.
- Taxon
- Cannabis sativaCannabis sativat0
- Treatment
- Cde0
- Outcome
- plant growthe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd significantly reduced the plant growth.”
t0“Cannabis sativa”
Claim · model-written summary
Combined fertilizer increased root growth on Cd-contaminated soil to 19 cm.
- Taxon
- Cannabis sativaCannabis sativat0
- Treatment
- Fertilizers application (in combination)e0
- Outcome
- roote0
- Direction
- increasede0
- Value
- 19 cme0
- Qualifier
- Cd contaminated soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fertilizers application (in combination) most significantly increased the growth (19 cm root and 47 cm shoot) on Cd contaminated soil.”
t0“Cannabis sativa”
Claim · model-written summary
Combined fertilizer increased shoot growth on Cd-contaminated soil to 47 cm.
- Taxon
- Cannabis sativaCannabis sativat0
- Treatment
- Fertilizers application (in combination)e0
- Outcome
- shoote0
- Direction
- increasede0
- Value
- 47 cme0
- Qualifier
- Cd contaminated soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fertilizers application (in combination) most significantly increased the growth (19 cm root and 47 cm shoot) on Cd contaminated soil.”
t0“Cannabis sativa”
Claim · model-written summary
All treatments increased tissue Cd.
- Taxon
- Cannabis sativaCannabis sativat0
- Treatment
- All treatmentse0
- Outcome
- Cd contents in plant tissuese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All treatments increased the Cd contents in plant tissues.”
t0“Cannabis sativa”
Claim · model-written summary
Fertilizer raised root Cd to 1101 ppm.
- Taxon
- Cannabis sativaCannabis sativat0
- Treatment
- fertilizerse0
- Outcome
- rootse0
- Direction
- increaseinferrede0
- Value
- 1101e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This increase was highly significant in fertilizers treated plants (1101, 121 and 544 ppm in roots, stem and leaves respectively).”
t0“Cannabis sativa”
Claim · model-written summary
Fertilizer raised stem Cd to 121 ppm.
- Taxon
- Cannabis sativaCannabis sativat0
- Treatment
- fertilizerse0
- Outcome
- steme0
- Direction
- increaseinferrede0
- Value
- 121 and 544 ppme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This increase was highly significant in fertilizers treated plants (1101, 121 and 544 ppm in roots, stem and leaves respectively).”
t0“Cannabis sativa”
Claim · model-written summary
Fertilizer raised leaf Cd to 544 ppm.
- Taxon
- Cannabis sativaCannabis sativat0
- Treatment
- fertilizerse0
- Outcome
- leavese0
- Direction
- increaseinferrede0
- Value
- 544 ppme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This increase was highly significant in fertilizers treated plants (1101, 121 and 544 ppm in roots, stem and leaves respectively).”
t0“Cannabis sativa”
Claim · model-written summary
Cd concentration correlated positively with root dry biomass (R2=0.7511).
- Taxon
- Cannabis sativaCannabis sativat0
- Compound
- Cd concentratione0
- Outcome
- dry biomass of roote0
- Direction
- positivee0
- Value
- R2=0.7511e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significantly positive correlation was found between Cd concentration and dry biomass of root (R2=0.7511)”
t0“Cannabis sativa”
Claim · model-written summary
Cd concentration correlated positively with leaf dry biomass (R2=0.5524).
- Taxon
- Cannabis sativaCannabis sativat0
- Compound
- Cdt0
- Outcome
- leavese0
- Value
- R2=0.5524e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaves (R2=0.5524)”
t0“Cadmium (Cd) with Increasing Concentration of Total Phenolics and Free Proline in Cannabis sativa”
Claim · model-written summary
All treatments significantly increased proline and total phenolics.
- Taxon
- Cannabis sativaCannabis sativat0
- Treatment
- All treatmentse0
- Outcome
- proline and total phenolicse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All treatments significantly increased the proline and total phenolics”
t0“Cannabis sativa”
Claim · model-written summary
NaCl-treated plants had maximum proline and phenolics, followed by fertilizer-treated plants.
- Taxon
- Cannabis sativaCannabis sativat0
- Treatment
- NaCle0
- Outcome
- maximume0
- Direction
- maximume0
- Comparator
- fertilizerse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“maximum was recorded in NaCl treated plants followed by fertilizers.”
t0“Cannabis sativa”
Claim · model-written summary
Proline was higher in roots than leaves.
- Taxon
- Cannabis sativaCannabis sativat0
- Organ / stage
- rootse0
- Outcome
- Prolinee0
- Direction
- highere0
- Comparator
- leavese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Proline was higher in roots while phenolics in leaves.”
t0“Cannabis sativa”
Claim · model-written summary
Phenolics were higher in leaves than roots.
- Taxon
- Cannabis sativaCannabis sativat0
- Organ / stage
- leavese0
- Outcome
- phenolicse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“phenolics in leaves.”
t0“Cannabis sativa”
Claim · model-written summary
Leaf proline and phenolics correlated positively (R2=0.8439).
- Taxon
- Cannabis sativaCannabis sativat0
- Organ / stage
- leafe0
- Outcome
- correlation between proline and phenolicse0
- Direction
- positivee0
- Value
- R2=0.8439e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The correlation between proline and phenolics was positive in leaf (R2=0.8439)”
t0“Cannabis sativa”
Claim · model-written summary
Root proline and phenolics correlated positively (R2=0.5191).
- Taxon
- Cannabis sativaCannabis sativat0
- Organ / stage
- roote0
- Outcome
- roote0
- Value
- R2=0.5191e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root (R2=0.5191)”
t0“Cannabis sativa”
Claim · model-written summary
Proline and phenolics correlated positively with plant Cd concentration.
- Taxon
- Cannabis sativaCannabis sativat0
- Compound
- Proline and phenolicse0
- Outcome
- Cd concentration in plante0
- Direction
- positivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Proline and phenolics showed positive correlation with Cd concentration in plant.”
t0“Cannabis sativa”
Claim · model-written summary
Combined fertilizers were recommended for Cd phytoextraction.
- Taxon
- Cannabis sativaCannabis sativat0
- Outcome
- fertilizers in combination seem to be the better option for Cd phytoextractione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fertilizers in combination seem to be the better option for Cd phytoextraction.”
t0“Cannabis sativa”
The same questions in other papers
cadmium atom · growth · Cannabis sativaPositive and negative results
3 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
2 papers more in this group
See all 6 papers →fertilization · growth · Cannabis sativaResults differ
15 papers in the same direction as this paper · 5 in the opposite direction
- negative
- no effect
- negative
17 papers more in this group
See all 21 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.