Amaranthus retroflexus 1,705 claims

species · family Amaranthaceae · green plant · NCBI Taxonomy ↗

Common name: redroot amaranth — Also written in claims: A. retroflexus L · redroot pigweed · A.retroflexus · redroot amaranth · A.retroflexus L · common amaranth

109 spellings

Amaranthus retroflexus
Amaranthus retroflexusLynk media · CC BY-SA 3.0 · Wikimedia Commons ↗
Observationobservedoriginal resultmeasured

Claim · model-written summary

In 2024 the most dominant weed species in both localities were Galinsoga parviflora, Chenopodium album and Amaranthus retroflexus.

Taxon
Galinsoga parviflora, Chenopodium album, and Amaranthus retroflexusChenopodium albumAmaranthus retroflexusGalinsoga parviflorae1
Outcome
most dominant speciese1
Qualifier
2024e1

Verbatim

e1

“The most dominant species in both localities in 2024 were Galinsoga parviflora, Chenopodium album, and Amaranthus retroflexus”

✓ located verbatim in the source · abstract, characters 383–508

Title

Impact of weed flora on aphid and thrips occurrence in pepper (Capsicum annum L.) in the Strumica region

Spasov, Dusan; Spasova, Dragica; Mitrev, Sasa; et al. Goce Delchev University Repository (Goce Delčev University of Štip) 2026

Other claims from this paper (12)
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Perovskia atriplicifolia biomass at 100 g reduced Amaranthus retroflexus germination by about 40%.

Taxon
Amaranthus retroflexusAmaranthus retroflexust1
Treatment
P. atriplicifolia biomasse2
Interactor
P. atriplicifoliaSalvia yangiie2other
Outcome
germinatione2
Direction
reducede2
Value
approximately 40%e2
Qualifier
100 ge2

Verbatim

t1

“Amaranthus retroflexus L.”

✓ located verbatim in the source · title, characters 136–161
e2

“germination was reduced by approximately 40% at 100 g and 62% at 200 g of P. atriplicifolia biomass, while root length decreased by more than 60% at both doses”

✓ located verbatim in the source · abstract, characters 345–504

Title

Volatile-mediated allelopathy: Perovskia atriplicifolia Benth. volatile organic compounds trigger phenylpropanoid–lignin remodelling in Amaranthus retroflexus L.

Alice Zambelli; Emanuela Talarico; Cristina Teruzzi; et al. Plant Stress 2026. doi:10.1016/j.stress.2026.101382

Other claims from this paper (14)
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Perovskia atriplicifolia biomass at 200 g reduced Amaranthus retroflexus germination by 62%.

Taxon
Amaranthus retroflexusAmaranthus retroflexust1
Treatment
P. atriplicifolia biomasse2
Interactor
P. atriplicifoliaSalvia yangiie2other
Outcome
germinatione2
Direction
reducede2
Value
62%e2
Qualifier
200 ge2

Verbatim

t1

“Amaranthus retroflexus L.”

✓ located verbatim in the source · title, characters 136–161
e2

“germination was reduced by approximately 40% at 100 g and 62% at 200 g of P. atriplicifolia biomass, while root length decreased by more than 60% at both doses”

✓ located verbatim in the source · abstract, characters 345–504

Title

Volatile-mediated allelopathy: Perovskia atriplicifolia Benth. volatile organic compounds trigger phenylpropanoid–lignin remodelling in Amaranthus retroflexus L.

Alice Zambelli; Emanuela Talarico; Cristina Teruzzi; et al. Plant Stress 2026. doi:10.1016/j.stress.2026.101382

Other claims from this paper (14)
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Perovskia atriplicifolia biomass decreased Amaranthus retroflexus root length by more than 60% at both doses.

Taxon
Amaranthus retroflexusAmaranthus retroflexust1
Treatment
P. atriplicifolia biomasse2
Interactor
P. atriplicifoliaSalvia yangiie2other
Outcome
root lengthe2
Direction
decreasede2
Value
more than 60%e2
Qualifier
at both dosese2

Verbatim

t1

“Amaranthus retroflexus L.”

✓ located verbatim in the source · title, characters 136–161
e2

“germination was reduced by approximately 40% at 100 g and 62% at 200 g of P. atriplicifolia biomass, while root length decreased by more than 60% at both doses”

✓ located verbatim in the source · abstract, characters 345–504

Title

Volatile-mediated allelopathy: Perovskia atriplicifolia Benth. volatile organic compounds trigger phenylpropanoid–lignin remodelling in Amaranthus retroflexus L.

Alice Zambelli; Emanuela Talarico; Cristina Teruzzi; et al. Plant Stress 2026. doi:10.1016/j.stress.2026.101382

Other claims from this paper (14)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Doses around the ED50 reduced Amaranthus retroflexus fresh weight by 16%.

Taxon
Amaranthus retroflexusAmaranthus retroflexust1
Treatment
doses around the ED 50e3
Outcome
fresh weighte3
Direction
reducede3
Value
−16%e3

Verbatim

t1

“Amaranthus retroflexus L.”

✓ located verbatim in the source · title, characters 136–161
e3

“At doses around the ED 50 , treated seedlings developed reduced fresh weight (−16%), lower relative water content (−13%), and higher osmotic potential (+16%)”

✓ located verbatim in the source · abstract, characters 506–663

Title

Volatile-mediated allelopathy: Perovskia atriplicifolia Benth. volatile organic compounds trigger phenylpropanoid–lignin remodelling in Amaranthus retroflexus L.

Alice Zambelli; Emanuela Talarico; Cristina Teruzzi; et al. Plant Stress 2026. doi:10.1016/j.stress.2026.101382

Other claims from this paper (14)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Doses around the ED50 lowered the relative water content of Amaranthus retroflexus by 13%.

Taxon
Amaranthus retroflexusAmaranthus retroflexust1
Treatment
doses around the ED 50e3
Outcome
relative water contente3
Direction
lowere3
Value
−13%e3

Verbatim

t1

“Amaranthus retroflexus L.”

✓ located verbatim in the source · title, characters 136–161
e3

“At doses around the ED 50 , treated seedlings developed reduced fresh weight (−16%), lower relative water content (−13%), and higher osmotic potential (+16%)”

✓ located verbatim in the source · abstract, characters 506–663

Title

Volatile-mediated allelopathy: Perovskia atriplicifolia Benth. volatile organic compounds trigger phenylpropanoid–lignin remodelling in Amaranthus retroflexus L.

Alice Zambelli; Emanuela Talarico; Cristina Teruzzi; et al. Plant Stress 2026. doi:10.1016/j.stress.2026.101382

Other claims from this paper (14)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Doses around the ED50 raised the osmotic potential of Amaranthus retroflexus by 16%.

Taxon
Amaranthus retroflexusAmaranthus retroflexust1
Treatment
doses around the ED 50e3
Outcome
osmotic potentiale3
Direction
highere3
Value
+16%e3

Verbatim

t1

“Amaranthus retroflexus L.”

✓ located verbatim in the source · title, characters 136–161
e3

“At doses around the ED 50 , treated seedlings developed reduced fresh weight (−16%), lower relative water content (−13%), and higher osmotic potential (+16%)”

✓ located verbatim in the source · abstract, characters 506–663

Title

Volatile-mediated allelopathy: Perovskia atriplicifolia Benth. volatile organic compounds trigger phenylpropanoid–lignin remodelling in Amaranthus retroflexus L.

Alice Zambelli; Emanuela Talarico; Cristina Teruzzi; et al. Plant Stress 2026. doi:10.1016/j.stress.2026.101382

Other claims from this paper (14)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Cuticular composition of Amaranthus retroflexus shifted toward long-chain aliphatics.

Taxon
Amaranthus retroflexusAmaranthus retroflexust1
Outcome
shift toward long-chain aliphaticse4

Verbatim

t1

“Amaranthus retroflexus L.”

✓ located verbatim in the source · title, characters 136–161
e4

“Cuticular analyses indicated a shift toward long-chain aliphatics”

✓ located verbatim in the source · abstract, characters 665–730

Title

Volatile-mediated allelopathy: Perovskia atriplicifolia Benth. volatile organic compounds trigger phenylpropanoid–lignin remodelling in Amaranthus retroflexus L.

Alice Zambelli; Emanuela Talarico; Cristina Teruzzi; et al. Plant Stress 2026. doi:10.1016/j.stress.2026.101382

Other claims from this paper (14)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Perovskia atriplicifolia VOCs increased accumulation of phenylpropanoid intermediates in Amaranthus retroflexus.

Taxon
Amaranthus retroflexusAmaranthus retroflexust1
Treatment
P. atriplicifolia VOCse6
Outcome
phenylpropanoid intermediatese5
Direction
increasede5

Verbatim

t1

“Amaranthus retroflexus L.”

✓ located verbatim in the source · title, characters 136–161
e5

“metabolomics showed increased accumulation of phenylpropanoid intermediates (e.g., sinapic, ferulic, p -coumaric acids)”

✓ located verbatim in the source · abstract, characters 736–855
e6

“Overall, P. atriplicifolia VOCs, dominated by o-cymene, δ-3-carene, and 1,8-cineole, significantly impair the germination and early growth of A. retroflexus”

✓ located verbatim in the source · abstract, characters 962–1118

Title

Volatile-mediated allelopathy: Perovskia atriplicifolia Benth. volatile organic compounds trigger phenylpropanoid–lignin remodelling in Amaranthus retroflexus L.

Alice Zambelli; Emanuela Talarico; Cristina Teruzzi; et al. Plant Stress 2026. doi:10.1016/j.stress.2026.101382

Other claims from this paper (14)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Phenylalanine ammonia-lyase (PAL) activity was 52% higher in Amaranthus retroflexus seedlings exposed to the volatiles.

Taxon
Amaranthus retroflexusAmaranthus retroflexust1
Outcome
PAL activitye7
Direction
highere7
Value
+52%e7

Verbatim

t1

“Amaranthus retroflexus L.”

✓ located verbatim in the source · title, characters 136–161
e7

“higher PAL activity (+52%), PPO activity (+180%), total phenolic and lignin content (+61%)”

✓ located verbatim in the source · abstract, characters 870–960

Title

Volatile-mediated allelopathy: Perovskia atriplicifolia Benth. volatile organic compounds trigger phenylpropanoid–lignin remodelling in Amaranthus retroflexus L.

Alice Zambelli; Emanuela Talarico; Cristina Teruzzi; et al. Plant Stress 2026. doi:10.1016/j.stress.2026.101382

Other claims from this paper (14)