Claim · model-written summary
Hexane extract was least inhibitory.
- Taxon
- Sweetpotato
_Flower.jpg?width=60)
Ipomoea batatast0 - Treatment
- hexane extracte0
- Outcome
- least inhibitorye0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Flower.jpg?width=500)
Verbatim
e0“The hexane extract, which contained the nonpolar components of the periderm tissue, was least inhibitory”
t0“Sweetpotato”
Title
Differential Inhibition of Seed Germination by Sweetpotato (Ipomoea batatas) Root Periderm Extracts
Joseph K. Peterson; Howard F. Harrison Weed Science 1991. doi:10.1017/s0043174500057970
Other claims from this paper (17)
- Intervention effect Hexane extract inhibited velvetleaf, proso millet, black nightshade and redroot pigweed germination.
- Intervention effect Hexane extract reached 56% maximum inhibition of black nightshade at 200 mg periderm extracted per ml.
- Intervention effect Ethyl acetate fraction inhibited germination of seven named species.
- Observation Ethyl acetate I50 was 17 mg periderm extracted per ml for black nightshade.
- Observation Ethyl acetate I50 was 201 mg per ml for coffee senna.
- Intervention effect Ethyl acetate extract did not inhibit sweetpotato, tall morningglory or eclipta germination at tested concentrations.
- Intervention effect Aqueous methanol extract was more inhibitory than hexane or ethyl acetate extracts.
- Observation Species varied considerably in response to aqueous methanol extract.
- Observation Aqueous methanol I50 was 0.5 mg ml –1 for velvetleaf.
- Observation Aqueous methanol I50 was 0.6 mg ml –1 for proso millet.
- Observation Aqueous methanol I50 was 2.8 mg ml –1 for black nightshade.
- Observation Aqueous methanol I50 was 4.4 mg ml –1 for goosegrass.
- Observation Aqueous methanol I50 was 5.1 mg ml –1 for sweetpotato.
- Observation Aqueous methanol I50 was 9.6 mg ml –1 for tall morningglory.
- Observation Aqueous methanol I50 was 15.7 mg ml –1 for eclipta.
- Observation Aqueous methanol I50 was 21.0 mg ml –1 for coffee senna.
- Observation Aqueous methanol I50 was 25.8 mg ml –1 for pigweed.