Abstract
This study aimed to evaluate the effects of Schinus terebinthifolius leaf essential oil on adventitious rooting of Arabidopsis thaliana. Effects of the oil were assessed on root formation and elongation of A. thaliana microcuttings. Accumulation of hydrogen peroxide (H2O2), a reactive oxygen species (ROS), in microcuttings and the action of an antioxidant and an auxin in alleviating essential oil effects were assessed. The essential oil reduced mean rooting time and root length of A. thaliana in a dose-dependent manner but did not affect rooting rate or number of roots. Accumulation of H2O2 was evidenced in A. thaliana leaves exposed to the essential oil, which was prevented by addition of the antioxidant. The antioxidant alleviated effects of the oil on A. thaliana, but not the auxin. In conclusion, root elongation was more affected by S. terebinthifolius essential oil than root formation, and phytotoxic effects were associated with oxidative damage.
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Claims 9
Claim · model-written summary
Schinus oil reduced Arabidopsis mean rooting time in a dose-dependent manner.
- Taxon
- A. thaliana
Arabidopsis thalianae0 - Treatment
- essential oile0
- Outcome
- mean rooting timee0
- Direction
- reducede0
- Qualifier
- dose-dependent mannere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The essential oil reduced mean rooting time and root length of A. thaliana in a dose-dependent manner but did not affect rooting rate or number of roots”
Claim · model-written summary
Schinus oil reduced Arabidopsis root length in a dose-dependent manner.
- Taxon
- A. thalianaArabidopsis thalianae0
- Treatment
- essential oile0
- Outcome
- root lengthe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The essential oil reduced mean rooting time and root length of A. thaliana in a dose-dependent manner but did not affect rooting rate or number of roots”
Claim · model-written summary
The oil did not affect rooting rate or root number.
- Taxon
- A. thalianaArabidopsis thalianae0
- Treatment
- essential oile0
- Outcome
- rooting rate or number of rootse0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The essential oil reduced mean rooting time and root length of A. thaliana in a dose-dependent manner but did not affect rooting rate or number of roots”
Claim · model-written summary
Hydrogen peroxide accumulated in oil-exposed Arabidopsis leaves.
- Taxon
- A. thalianaArabidopsis thalianae0
- Organ / stage
- leavese0
- Treatment
- essential oile0
- Outcome
- Accumulation of H2O2e0
- Direction
- Accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Accumulation of H2O2 was evidenced in A. thaliana leaves exposed to the essential oil, which was prevented by addition of the antioxidant”
Claim · model-written summary
Antioxidant addition prevented hydrogen peroxide accumulation.
- Taxon
- A. thalianaArabidopsis thalianae0
- Treatment
- antioxidante0
- Outcome
- Accumulation of H2O2e0
- Direction
- preventede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Accumulation of H2O2 was evidenced in A. thaliana leaves exposed to the essential oil, which was prevented by addition of the antioxidant”
Claim · model-written summary
The antioxidant alleviated the oil effects on Arabidopsis.
- Taxon
- A. thalianaArabidopsis thalianae0
- Treatment
- antioxidante0
- Outcome
- effects of the oile0
- Direction
- alleviatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The antioxidant alleviated effects of the oil on A. thaliana, but not the auxin”
Claim · model-written summary
Auxin did not alleviate the oil effects on Arabidopsis.
- Taxon
- A. thalianaArabidopsis thalianae0
- Treatment
- auxine0
- Outcome
- effects of the oile0
- Direction
- note0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The antioxidant alleviated effects of the oil on A. thaliana, but not the auxin”
Claim · model-written summary
Root elongation was more affected than root formation.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Outcome
- root elongatione0
- Direction
- more affectede0
- Comparator
- root formatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root elongation was more affected by S. terebinthifolius essential oil than root formation”
t0“Arabidopsis thaliana”
Claim · model-written summary
The authors associated phytotoxic effects with oxidative damage.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- oxidative damagee0
- Outcome
- phytotoxic effectse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“phytotoxic effects were associated with oxidative damage”
t0“Arabidopsis thaliana”
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6 papers in the same direction as this paper · 7 in the opposite direction
- negative
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10 papers more in this group
See all 14 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.