By organism › Green plants › Portulacaceae › Portulaca oleracea

Associationobservedoriginal resultmeasured

Claim · model-written summary

Portulaca oleracea thrived by accessing moisture near the surface at 15 cm depth.

Taxon: Portulaca oleraceaPortulaca oleraceae0
Outcome: thrivede0
Direction: thrivede0
Setting: near the surface at a depth of 15 cme0

Verbatim

e0
“Boerhavia coccinea and Portulaca oleracea thrived by accessing moisture near the surface at a depth of 15 cm”
✓ located verbatim in the source · abstract, characters 1198–1306

Title

The influence of soil moisture on weed species composition and diversity in flood recession farming in the Okavango Delta, Botswana

Modise Nthaba; Keotshephile Kashe; Thebeetsile Scott Moroke Discover Soil. 2026. doi:10.1007/s44378-026-00186-0

Other claims from this paper (7)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Low-fertilization systems were associated with low-fertility weed species such as Portulaca oleracea.

Taxon: Portulaca oleraceaPortulaca oleraceae0
Treatment: Low‐fertilization systemse0
Outcome: low‐fertility speciese0

Not reportedDirection

Verbatim

e0
“Low‐fertilization systems were associated with low‐fertility species such as Portulaca oleracea”
✓ located verbatim in the source · abstract, characters 1406–1501

Title

Influence of Farming Systems (Organic vs. Conventional) With Crop Rotation and Intercropping on Weed Seedbank in Central Kenya

Obadiah Mwangi; Monicah Mucheru-Muna; Edward Karanja; et al. International Journal of Agronomy 2026. doi:10.1155/ioa/5598012

Other claims from this paper (7)

Observationobservedreview summarybasis n/a

Claim · model-written summary

Leafy species consistently showed high phenolic content and radical scavenging activity.

Taxon: Portulaca oleracea , Pereskia aculeata , and Amaranthus cruentusPereskia aculeataPortulaca oleraceaAmaranthus cruentuse0
Outcome: high phenolic content and strong radical scavenging activitye0
Direction: highe0

Verbatim

e0
“leafy vegetables such as Portulaca oleracea , Pereskia aculeata , and Amaranthus cruentus , which consistently exhibited high phenolic content and strong radical scavenging activity”
✓ located verbatim in the source · abstract, characters 981–1162

Title

From Local Biodiversity to Global Food Security: Antioxidant Evidence of Unconventional Edible Plants (2020–2025)

Nathália Letícia Hernandez Brito; Gustavo Barreto Costa; Karina Pinheiro Martins; et al. Journal of Food Process Engineering 2026. doi:10.1111/jfpe.70330

Other claims from this paper (3)

Observation Fruits and roots expanded the reported diversity of bioactive profiles.
Association Cooking and fermentation affected antioxidant performance.
Observation Methodological heterogeneity limited cross-study comparison.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Nitrogen addition significantly increased P. oleracea relative yield.

Taxon: P. oleraceaPortulaca oleraceae0
Treatment: nitrogen additione0
Interactor: A. retroflexusAmaranthus retroflexuse0weed
Outcome: relative yield of P. oleraceae0
Direction: increasede0

Not reportedComparator

Verbatim

e0
“nitrogen addition had no significant effect on the relative yield of A. retroflexus but significantly increased the relative yield of P. oleracea, thereby weakening the competitive advantage of A. retroflexus.”
✓ located verbatim in the source · abstract, characters 389–598

Title

Nitrogen Forms Alter the Competitive Advantage of the Invasive Plant Amaranthus retroflexus over the Local Species

Fan Yang; Yige Zhang; Wenhui Wang; et al. Nitrogen 2026. doi:10.3390/nitrogen7020057

Other claims from this paper (10)

Intervention effect Nitrogen addition did not significantly change A. retroflexus relative yield with P. oleracea.
Intervention effect Nitrogen addition weakened A. retroflexus competitive advantage with P. oleracea.
Intervention effect Nitrogen addition no significant effect relative yield of M. sativa in the A. retroflexus–M. sativa mixture.
Intervention effect Nitrogen addition increased relative yield of A. retroflexus in the A. retroflexus–M. sativa mixture.
Intervention effect Nitrogen addition enhancing competitive advantage of A. retroflexus in the A. retroflexus–M. sativa mixture.
Intervention effect NO3−-N strengthened A. retroflexus competitive advantage with M. sativa.
Intervention effect NO3−-N weakened A. retroflexus competitive advantage with P. oleracea.
Association A. retroflexus competitive advantage was associated with photosynthetic traits and nitrogen absorption efficiency.
Observation The competitive response included greater leaf number, leaf area and SPAD value.
Observation The competitive response included greater leaf biomass.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Germination of the screened weeds remained largely unaffected.

Taxon: Lolium rigidum, Portulaca oleracea, and Plantago lanceolataPlantago lanceolataPortulaca oleraceaLolium rigidumt0
Treatment: compounds 10 and 11e0
Outcome: germinatione0
Direction: largely unaffectede0

Not reportedComparator

Verbatim

e0
“While germination remained largely unaffected, compounds 10 and 11 caused significant root inhibition (77% and 89%, respectively for P. oleracea ) at 1000 μM.”
✓ located verbatim in the source · abstract, characters 611–769

t0
“Lolium rigidum, Portulaca oleracea, and Plantago lanceolata”
✓ located verbatim in the source · abstract, characters 549–608

Title

Improving the Activity of Aminophenoxazinones: Synthesis, CPC Purification, and Phytotoxicity Potential

Cristina Díaz-Franco; Carlos Rial; Stefan Schwaiger; et al. Journal of Agricultural and Food Chemistry 2026. doi:10.1021/acs.jafc.5c09345

Other claims from this paper (4)

Intervention effect compounds 10 significantly inhibited P. oleracea roots by 77% at 1000 μM.
Intervention effect 11 significantly inhibited P. oleracea roots by 89% at 1000 μM.
Intervention effect Compound 11 root inhibition was comparable to pendimethalin in P. oleracea.
Intervention effect Compound 10 had IC 50 of 4.5 μM against P. oleracea roots, lower than natural APO.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

compounds 10 significantly inhibited P. oleracea roots by 77% at 1000 μM.

Taxon: P. oleraceaPortulaca oleraceae0
Treatment: compounds 10e0
Outcome: root inhibitione0
Direction: inhibitione0
Value: 77%e0
Qualifier: 1000 μMe0

Not reportedComparator

Verbatim

e0
“While germination remained largely unaffected, compounds 10 and 11 caused significant root inhibition (77% and 89%, respectively for P. oleracea ) at 1000 μM.”
✓ located verbatim in the source · abstract, characters 611–769

Title

Improving the Activity of Aminophenoxazinones: Synthesis, CPC Purification, and Phytotoxicity Potential

Cristina Díaz-Franco; Carlos Rial; Stefan Schwaiger; et al. Journal of Agricultural and Food Chemistry 2026. doi:10.1021/acs.jafc.5c09345

Other claims from this paper (4)

Intervention effect Germination of the screened weeds remained largely unaffected.
Intervention effect 11 significantly inhibited P. oleracea roots by 89% at 1000 μM.
Intervention effect Compound 11 root inhibition was comparable to pendimethalin in P. oleracea.
Intervention effect Compound 10 had IC 50 of 4.5 μM against P. oleracea roots, lower than natural APO.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

11 significantly inhibited P. oleracea roots by 89% at 1000 μM.

Taxon: P. oleraceaPortulaca oleraceae0
Treatment: 11e0
Outcome: root inhibitione0
Direction: inhibitione0
Value: 89%e0
Qualifier: 1000 μMe0

Not reportedComparator

Verbatim

e0
“While germination remained largely unaffected, compounds 10 and 11 caused significant root inhibition (77% and 89%, respectively for P. oleracea ) at 1000 μM.”
✓ located verbatim in the source · abstract, characters 611–769

Title

Improving the Activity of Aminophenoxazinones: Synthesis, CPC Purification, and Phytotoxicity Potential

Cristina Díaz-Franco; Carlos Rial; Stefan Schwaiger; et al. Journal of Agricultural and Food Chemistry 2026. doi:10.1021/acs.jafc.5c09345

Other claims from this paper (4)

Intervention effect Germination of the screened weeds remained largely unaffected.
Intervention effect compounds 10 significantly inhibited P. oleracea roots by 77% at 1000 μM.
Intervention effect Compound 11 root inhibition was comparable to pendimethalin in P. oleracea.
Intervention effect Compound 10 had IC 50 of 4.5 μM against P. oleracea roots, lower than natural APO.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Compound 11 root inhibition was comparable to pendimethalin in P. oleracea.

Taxon: P. oleraceaPortulaca oleraceae0
Treatment: 11e0
Outcome: inhibition levelse0
Direction: comparablee0
Qualifier: 86%e0
Comparator: pendimethaline0

Verbatim

e0
“Specifically, 11 reached inhibition levels comparable to the positive control, pendimethalin (86% for P. oleracea ).”
✓ located verbatim in the source · abstract, characters 770–886

Title

Improving the Activity of Aminophenoxazinones: Synthesis, CPC Purification, and Phytotoxicity Potential

Cristina Díaz-Franco; Carlos Rial; Stefan Schwaiger; et al. Journal of Agricultural and Food Chemistry 2026. doi:10.1021/acs.jafc.5c09345

Other claims from this paper (4)

Intervention effect Germination of the screened weeds remained largely unaffected.
Intervention effect compounds 10 significantly inhibited P. oleracea roots by 77% at 1000 μM.
Intervention effect 11 significantly inhibited P. oleracea roots by 89% at 1000 μM.
Intervention effect Compound 10 had IC 50 of 4.5 μM against P. oleracea roots, lower than natural APO.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Compound 10 had IC 50 of 4.5 μM against P. oleracea roots, lower than natural APO.

Taxon: P. oleraceaPortulaca oleraceae0
Treatment: 10e0
Outcome: IC 50e0
Direction: considerably lowere0
Value: 4.5 μMe0
Qualifier: 332.5 μMe0
Comparator: natural APOe0

Verbatim

e0
“Following a detailed structure–activity relationship analysis, 10 emerged as the most potent candidate, exhibiting an IC 50 of 4.5 μM against P. oleracea roots, considerably lower than that of natural APO (332.5 μM).”
✓ located verbatim in the source · abstract, characters 887–1103

Title

Improving the Activity of Aminophenoxazinones: Synthesis, CPC Purification, and Phytotoxicity Potential

Cristina Díaz-Franco; Carlos Rial; Stefan Schwaiger; et al. Journal of Agricultural and Food Chemistry 2026. doi:10.1021/acs.jafc.5c09345

Other claims from this paper (4)

Intervention effect Germination of the screened weeds remained largely unaffected.
Intervention effect compounds 10 significantly inhibited P. oleracea roots by 77% at 1000 μM.
Intervention effect 11 significantly inhibited P. oleracea roots by 89% at 1000 μM.
Intervention effect Compound 11 root inhibition was comparable to pendimethalin in P. oleracea.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

P. oleracea retained high physiological traits under salinity.

Taxon: P. oleraceaPortulaca oleraceae0
Outcome: morphophysiological variablese0
Direction: maintaining high valuese0

Verbatim

e0
“P. oleracea stood out for presenting greater tolerance, maintaining high values in morphophysiological variables, with only ∼30% reduction in biomass at 2.0 dS m –1 and ∼70% at 16.0 dS m –1 .”
✓ located verbatim in the source · abstract, characters 1154–1345

Title

Growth, Photosynthetic Performance, and Water Relations of Weeds under Salt Stress

Jesley Nogueira Bandeira; Lyandra Maria de Oliveira; Larissa Raquel Fagundes Costa Bezerra; et al. ACS Agricultural Science & Technology 2026. doi:10.1021/acsagscitech.5c00586

Other claims from this paper (8)

Intervention effect P. oleracea biomass fell ∼30% at 2.0 dS m –1.
Intervention effect P. oleracea biomass fell ∼70% at 16.0 dS m –1.
Intervention effect A. hybridus height fell above 70% at highest salinity.
Intervention effect M. lathyroides height fell above 70% at highest salinity.
Intervention effect A. hybridus shoot biomass fell up to 90% at highest salinity.
Intervention effect M. lathyroides shoot biomass fell up to 90% at highest salinity.
Intervention effect D. horizontalis had intermediate reductions of 40–76%.
Intervention effect E. indica had intermediate reductions of 40–76%.

Portulaca oleracea 1,190 claims

1,190 claims