Claim · model-written summary
Increasing Pb decreased fennel height significantly.
- Taxon
- fennel
_-_Parc_Natural_de_s'Albufera%2C_Spain_2022-04-18_(02).jpg?width=60)
Anethum foeniculume0 - Treatment
- Pb concentratione0
- Outcome
- height of fennel plante0
- Direction
- decreasede0
- Comparator
- treatmentse0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_-_Parc_Natural_de_s'Albufera%2C_Spain_2022-04-18_(02).jpg?width=500)
Verbatim
e0“With the increase of Pb concentration, the height of fennel plant had a decreased trend, and it was significantly different among the treatments.”
Title
Effect of Pb on growth and essential oil components of fennel(Foeniculum vulgare L.) plant
Xiao Yan-hu Soil and Environmental Sciences 2014
Other claims from this paper (16)
- Intervention effect Leaf number decreased significantly at 10 mg·L-1 Pb.
- Intervention effect Maximum leaf length did not differ significantly among Pb treatments.
- Intervention effect Maximum leaf width differed significantly between control and 5 mg·L-1 Pb.
- Intervention effect Aboveground fresh and dry weight decreased with Pb and were lower than control.
- Intervention effect Belowground fresh and dry weight rose gradually but did not differ among treatments.
- Intervention effect Root to shoot ratio increased, significantly only at 10 mg·L-1 versus control.
- Intervention effect Chlorophyll a, b, total chlorophyll and carotenoid content decreased as Pb increased.
- Intervention effect Chlorophyll a to b ratio was highest at 5 mg·L-1 Pb and significantly above 1 mg·L-1.
- Intervention effect Soluble protein content increased with Pb, significantly at 5 and 10 mg·L-1.
- Intervention effect Total nitrogen followed soluble protein but showed no significant treatment differences.
- Intervention effect Soluble sugar decreased with Pb and was below control except at 1 mg·L-1.
- Intervention effect Total carbon did not differ significantly between Pb treatments and control.
- Intervention effect Fennel Pb accumulation rose significantly with Pb concentration.
- Intervention effect Essential oil (E)-anethole and oxygenated compounds fell significantly under Pb, with minimum at 5 mg·L-1.
- Intervention effect Limonene and monoterpenes rose significantly under Pb, peaking at 5 mg·L-1.
- Intervention effect Sesquiterpene content declined as Pb increased and was below control.