By organism › Green plants › Pinaceae › Tsuga heterophylla

Observationobservedoriginal resultmeasured

Claim · model-written summary

myrcene was a major foliar essential oil component of Tsuga heterophylla at 7.0–27.6%.

Taxon: Tsuga heterophyllaTsuga heterophyllat0
Organ / stage: foliare1
Outcome: myrcenee0
Value: 7.0–27.6%e0

Verbatim

e0
“The major components in T. heterophylla essential oil were myrcene (7.0–27.6%), α-pinene (14.4–27.2%), β-phellandrene (6.6–19.3%), β-pinene (6.4–14.9%; >90% (−)-β-pinene), and (Z)-β-ocimene (0.7–11.3%).”
✓ located verbatim in the source · abstract, characters 1013–1215

e1
“foliar essential oils of Chamaecyparis lawsoniana (two samples), Thuja plicata (three samples), and Tsuga heterophylla (six samples)”
✓ located verbatim in the source · abstract, characters 158–290

t0
“Tsuga heterophylla”
✓ located verbatim in the source · title, characters 162–180

Title

Chemical Compositions and Enantiomeric Distributions of Foliar Essential Oils of Chamaecyparis lawsoniana (A. Murray bis) Parl, Thuja plicata Donn ex D. Don, and Tsuga heterophylla Sarg.

Elizabeth Ankney; Kathy Swor; Ambika Poudel; et al. Plants 2024. doi:10.3390/plants13101325

Other claims from this paper (19)

Observationobservedoriginal resultmeasured

Claim · model-written summary

α-pinene was a major foliar essential oil component of Tsuga heterophylla at 14.4–27.2%.

Taxon: Tsuga heterophyllaTsuga heterophyllat0
Organ / stage: foliare1
Outcome: α-pinenee0
Value: 14.4–27.2%e0

Verbatim

e0
“The major components in T. heterophylla essential oil were myrcene (7.0–27.6%), α-pinene (14.4–27.2%), β-phellandrene (6.6–19.3%), β-pinene (6.4–14.9%; >90% (−)-β-pinene), and (Z)-β-ocimene (0.7–11.3%).”
✓ located verbatim in the source · abstract, characters 1013–1215

e1
“foliar essential oils of Chamaecyparis lawsoniana (two samples), Thuja plicata (three samples), and Tsuga heterophylla (six samples)”
✓ located verbatim in the source · abstract, characters 158–290

t0
“Tsuga heterophylla”
✓ located verbatim in the source · title, characters 162–180

Title

Chemical Compositions and Enantiomeric Distributions of Foliar Essential Oils of Chamaecyparis lawsoniana (A. Murray bis) Parl, Thuja plicata Donn ex D. Don, and Tsuga heterophylla Sarg.

Elizabeth Ankney; Kathy Swor; Ambika Poudel; et al. Plants 2024. doi:10.3390/plants13101325

Other claims from this paper (19)

Observationobservedoriginal resultmeasured

Claim · model-written summary

β-phellandrene was a major foliar essential oil component of Tsuga heterophylla at 6.6–19.3%.

Taxon: Tsuga heterophyllaTsuga heterophyllat0
Organ / stage: foliare1
Outcome: β-phellandrenee0
Value: 6.6–19.3%e0

Verbatim

e0
“The major components in T. heterophylla essential oil were myrcene (7.0–27.6%), α-pinene (14.4–27.2%), β-phellandrene (6.6–19.3%), β-pinene (6.4–14.9%; >90% (−)-β-pinene), and (Z)-β-ocimene (0.7–11.3%).”
✓ located verbatim in the source · abstract, characters 1013–1215

e1
“foliar essential oils of Chamaecyparis lawsoniana (two samples), Thuja plicata (three samples), and Tsuga heterophylla (six samples)”
✓ located verbatim in the source · abstract, characters 158–290

t0
“Tsuga heterophylla”
✓ located verbatim in the source · title, characters 162–180

Title

Chemical Compositions and Enantiomeric Distributions of Foliar Essential Oils of Chamaecyparis lawsoniana (A. Murray bis) Parl, Thuja plicata Donn ex D. Don, and Tsuga heterophylla Sarg.

Elizabeth Ankney; Kathy Swor; Ambika Poudel; et al. Plants 2024. doi:10.3390/plants13101325

Other claims from this paper (19)

Observationobservedoriginal resultmeasured

Claim · model-written summary

β-pinene was a major foliar essential oil component of Tsuga heterophylla at 6.4–14.9%.

Taxon: Tsuga heterophyllaTsuga heterophyllat0
Organ / stage: foliare1
Outcome: β-pinenee0
Value: 6.4–14.9%e0

Verbatim

e0
“The major components in T. heterophylla essential oil were myrcene (7.0–27.6%), α-pinene (14.4–27.2%), β-phellandrene (6.6–19.3%), β-pinene (6.4–14.9%; >90% (−)-β-pinene), and (Z)-β-ocimene (0.7–11.3%).”
✓ located verbatim in the source · abstract, characters 1013–1215

e1
“foliar essential oils of Chamaecyparis lawsoniana (two samples), Thuja plicata (three samples), and Tsuga heterophylla (six samples)”
✓ located verbatim in the source · abstract, characters 158–290

t0
“Tsuga heterophylla”
✓ located verbatim in the source · title, characters 162–180

Title

Chemical Compositions and Enantiomeric Distributions of Foliar Essential Oils of Chamaecyparis lawsoniana (A. Murray bis) Parl, Thuja plicata Donn ex D. Don, and Tsuga heterophylla Sarg.

Elizabeth Ankney; Kathy Swor; Ambika Poudel; et al. Plants 2024. doi:10.3390/plants13101325

Other claims from this paper (19)

Observationobservedoriginal resultmeasured

Claim · model-written summary

(Z)-β-ocimene was a major foliar essential oil component of Tsuga heterophylla at 0.7–11.3%.

Taxon: Tsuga heterophyllaTsuga heterophyllat0
Organ / stage: foliare1
Outcome: (Z)-β-ocimenee0
Value: 0.7–11.3%e0

Verbatim

e0
“The major components in T. heterophylla essential oil were myrcene (7.0–27.6%), α-pinene (14.4–27.2%), β-phellandrene (6.6–19.3%), β-pinene (6.4–14.9%; >90% (−)-β-pinene), and (Z)-β-ocimene (0.7–11.3%).”
✓ located verbatim in the source · abstract, characters 1013–1215

e1
“foliar essential oils of Chamaecyparis lawsoniana (two samples), Thuja plicata (three samples), and Tsuga heterophylla (six samples)”
✓ located verbatim in the source · abstract, characters 158–290

t0
“Tsuga heterophylla”
✓ located verbatim in the source · title, characters 162–180

Title

Chemical Compositions and Enantiomeric Distributions of Foliar Essential Oils of Chamaecyparis lawsoniana (A. Murray bis) Parl, Thuja plicata Donn ex D. Don, and Tsuga heterophylla Sarg.

Elizabeth Ankney; Kathy Swor; Ambika Poudel; et al. Plants 2024. doi:10.3390/plants13101325

Other claims from this paper (19)

Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

T. heterophylla oils did not differ significantly between Oregon ranges.

Taxon: Tsuga heterophyllaTsuga heterophyllat0
Outcome: essential oilse0
Direction: no significant differencese0
Comparator: Oregon Cascade Rangee0
Setting: Oregon Coastal Rangee0

Verbatim

e0
“There are no significant differences between T. heterophylla essential oils from the Oregon Coastal Range or those from the Oregon Cascade Range.”
✓ located verbatim in the source · abstract, characters 1478–1623

t0
“Tsuga heterophylla”
✓ located verbatim in the source · title, characters 162–180

Title

Chemical Compositions and Enantiomeric Distributions of Foliar Essential Oils of Chamaecyparis lawsoniana (A. Murray bis) Parl, Thuja plicata Donn ex D. Don, and Tsuga heterophylla Sarg.

Elizabeth Ankney; Kathy Swor; Ambika Poudel; et al. Plants 2024. doi:10.3390/plants13101325

Other claims from this paper (19)

Observationobservedoriginal resultmeasured

Claim · model-written summary

P. pluvialis infection of western hemlock was observed with resinous cankers.

Taxon: western hemlockTsuga heterophyllae0
Interactor: P. pluvialisPhytophthora pluvialise0pathogen
Outcome: resinous cankerse0

Verbatim

e0
“P. pluvialis can also infect western hemlock inducing resinous cankers”
✓ located verbatim in the source · abstract, characters 193–263

Title

Phytophthora pluvialis maintenance, spore production and detached needle assays

Sophie Eccersall; Leann S. Vinson; Rebecca McDougal; et al. PLoS ONE 2024. doi:10.1371/journal.pone.0293817

Other claims from this paper (2)

Method / resource Detached needle assays permit verification and quantification of P. pluvialis virulence in P. radiata needles.
Method / resource qPCR assessed relative expression of PpR01 in downstream assay analysis.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Fertilization response varied with stand variables, application rates, tree social status and crown traits.

Taxon: Western hemlockTsuga heterophyllae0
Treatment: application ratese0
Outcome: fertilization responsee0
Qualifier: tree social status and crown characteristicse0

Not reportedDirection

Verbatim

e0
“Western hemlock fertilization response was influenced not only by stand-level variables and application rates but also by tree social status and crown characteristics”
✓ located verbatim in the source · abstract, characters 543–709

Title

Individual fertilization response with social status and crown characteristics for western hemlock (Tsuga heterophylla)

Woongsoon Jang; Bianca N.I. Eskelson; Kim M. Littke; et al. Canadian Journal of Forest Research 2024. doi:10.1139/cjfr-2023-0258

Other claims from this paper (9)

Association Greater dominance increased height growth responses.
Association Greater crown ratio increased height growth responses.
Association Greater dominance decreased diameter growth.
Association Greater crown ratio decreased diameter growth.
Intervention effect Fertilization effect on diameter growth peaked three years after application.
Intervention effect Fertilization effect on height growth peaked six years after application.
Intervention effect Fertilization increased overall mortality rate.
Intervention effect Fertilization ameliorated mortality for suppressed and steady-growing trees.
Recommendation Authors recommend tree-level modeling to improve growth and yield prediction after fertilization.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Greater dominance increased height growth responses.

Taxon: western hemlockTsuga heterophyllat0
Outcome: height growth responsese0
Direction: increasede0
Qualifier: Greater dominancee0

Not reportedMaterial

Verbatim

e0
“Greater dominance and crown ratio in trees increased height growth responses but decreased diameter growth”
✓ located verbatim in the source · abstract, characters 711–817

t0
“western hemlock”
✓ located verbatim in the source · title, characters 83–98

Title

Individual fertilization response with social status and crown characteristics for western hemlock (Tsuga heterophylla)

Woongsoon Jang; Bianca N.I. Eskelson; Kim M. Littke; et al. Canadian Journal of Forest Research 2024. doi:10.1139/cjfr-2023-0258

Other claims from this paper (9)

Association Fertilization response varied with stand variables, application rates, tree social status and crown traits.
Association Greater crown ratio increased height growth responses.
Association Greater dominance decreased diameter growth.
Association Greater crown ratio decreased diameter growth.
Intervention effect Fertilization effect on diameter growth peaked three years after application.
Intervention effect Fertilization effect on height growth peaked six years after application.
Intervention effect Fertilization increased overall mortality rate.
Intervention effect Fertilization ameliorated mortality for suppressed and steady-growing trees.
Recommendation Authors recommend tree-level modeling to improve growth and yield prediction after fertilization.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Greater crown ratio increased height growth responses.

Taxon: western hemlockTsuga heterophyllat0
Organ / stage: crowne0
Outcome: height growth responsese0
Direction: increasede0
Qualifier: crown ratioe0

Verbatim

e0
“Greater dominance and crown ratio in trees increased height growth responses but decreased diameter growth”
✓ located verbatim in the source · abstract, characters 711–817

t0
“western hemlock”
✓ located verbatim in the source · title, characters 83–98

Title

Individual fertilization response with social status and crown characteristics for western hemlock (Tsuga heterophylla)

Woongsoon Jang; Bianca N.I. Eskelson; Kim M. Littke; et al. Canadian Journal of Forest Research 2024. doi:10.1139/cjfr-2023-0258

Other claims from this paper (9)

Association Fertilization response varied with stand variables, application rates, tree social status and crown traits.
Association Greater dominance increased height growth responses.
Association Greater dominance decreased diameter growth.
Association Greater crown ratio decreased diameter growth.
Intervention effect Fertilization effect on diameter growth peaked three years after application.
Intervention effect Fertilization effect on height growth peaked six years after application.
Intervention effect Fertilization increased overall mortality rate.
Intervention effect Fertilization ameliorated mortality for suppressed and steady-growing trees.
Recommendation Authors recommend tree-level modeling to improve growth and yield prediction after fertilization.

Tsuga heterophylla 1,046 claims

1,046 claims