Search claims · PlantClaims

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Irrigation increased conduit diameter and conduit area per stem sap area in Salix psammophila.

Taxon: Salix psammophilaSalix psammophilat0
Treatment: Irrigatione5
Outcome: conduit diameter and conduit area per stem sap areae5
Direction: increasede5

Not reportedComparator

Verbatim

e5
“Irrigation increased conduit diameter and conduit area per stem sap area”
✓ located verbatim in the source · abstract, characters 327–399

t0
“Salix psammophila and Caragana korshinskii”
✓ located verbatim in the source · title, characters 39–81

Title

[Responses of stem hydraulic traits in Salix psammophila and Caragana korshinskii to manipulated precipitation variation.]

Li Ru Chen; Yang Yang Li PubMed 2018. doi:10.13287/j.1001-9332.201802.017

Other claims from this paper (10)

Intervention effect In Caragana korshinskii, drought significantly decreased a stem variable whose name is cut off in the supplied abstract.
Intervention effect In Caragana korshinskii, irrigation produced no response in the same stem variable, which is cut off in the supplied abstract.
Intervention effect Embolism resistance did not differ across treatments in Salix psammophila and Caragana korshinskii.
Intervention effect Midday native embolism in Salix psammophila was almost the same across treatments.
Intervention effect Drought increased midday native embolism in Caragana korshinskii.
Intervention effect Drought increased vessel density in Salix psammophila.
Intervention effect Drought decreased hydraulic diameter in Salix psammophila.
Intervention effect Irrigation had no effect on xylem anatomy in Caragana korshinskii.
Intervention effect Drought increased vessel density and wood density in Caragana korshinskii.
Association Caragana korshinskii may be less resistant to future dry climate than Salix psammophila.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing conduit diameter increased the probability of embolism in Salvia mellifera.

Taxon: Salvia melliferaSalvia melliferat0
Treatment: increasing conduit diametere4
Outcome: probability of embolisme4
Direction: increasede4

Verbatim

t0
“in Salvia mellifera Greene (Labiatae)”
✓ located verbatim in the source · title, characters 46–83

e4
“With increasing conduit diameter there was an increased probability of embolism”
✓ located verbatim in the source · abstract, characters 1231–1310

Title

Conduit diameter and drought‐induced embolism in Salvia mellifera Greene (Labiatae)

K. R. HARGRAVE; K. J. KOLB; F. W. EWERS; et al. New Phytologist 1994. doi:10.1111/j.1469-8137.1994.tb02964.x

Other claims from this paper (3)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Removing the lamina reduced midrib-xylem conduit diameter.

Taxon: Nicotiana tabacumNicotiana tabacumt0
Treatment: lamina removale0
Outcome: conduit diametere0
Direction: reducede0

Not reportedComparator

Verbatim

e0
“By lamina removal, the conduit diameter was reduced”
✓ located verbatim in the source · abstract, characters 1364–1415

t0
“Nicotiana tabacum”
✓ located verbatim in the source · title, characters 69–86

Title

Co-ordinated development of the leaf midrib xylem with the lamina in Nicotiana tabacum

Haruhiko Taneda; Ichiro Terashima Annals of Botany 2012. doi:10.1093/aob/mcs102

Other claims from this paper (6)

Association Differences in final lamina and midrib-xylem characteristics were more strongly associated with developmental rates.
Association Developmental rates of midrib xylem characteristics were related to those of lamina area.
Intervention effect Removing the lamina did not significantly change conduit number.
Intervention effect Applying IAA halted the decrease in conduit diameter after lamina removal.
Intervention effect Applying IAA increased the number of midrib-xylem conduits after lamina removal.
Mechanism The authors infer that lamina-derived IAA has a crucial role in leaf venation development.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Average conduit length was proportional to the squared conduit diameter across species (r2 = 0.94).

Taxon: seven species of diverse anatomye0
Outcome: conduit lengthe6
Direction: increaseinferrede6
Value: r 2 = 0.94e6
Comparator: diameter squarede6

Verbatim

e0
“was estimated in seven species of diverse anatomy and affinity”
✓ located verbatim in the source · abstract, characters 106–168

e6
“Average conduit length was proportional to the diameter squared across species ( r 2 = 0.94)”
✓ located verbatim in the source · abstract, characters 1030–1122

Title

Comparative analysis of end wall resistivity in xylem conduits

JOHN S. SPERRY; UWE G. HACKE; JAMES K. WHEELER Plant Cell & Environment 2005. doi:10.1111/j.1365-3040.2005.01287.x

Other claims from this paper (5)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Within stems, the probability of embolism was independent of conduit diameter.

Taxon: evergreen woodland speciest0
Outcome: probability of embolisme2
Qualifier: independent of conduit diametere2

Verbatim

t0
“evergreen woodland species”
✓ located verbatim in the source · title, characters 100–126

e2
“Within individual stems, the probability of embolism was independent of conduit diameter but associated with conduit position”
✓ located verbatim in the source · abstract, characters 727–852

Title

Conduit position and connectivity affect the likelihood of xylem embolism during natural drought in evergreen woodland species

Carola Pritzkow; Matilda J M Brown; Madeline R Carins-Murphy; et al. Annals of Botany 2022. doi:10.1093/aob/mcac053

Other claims from this paper (7)

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Conduit diameter was significantly negatively correlated with waterlogged depth.

Taxon: Carex LasiocarpaCarex lasiocarpat0
Outcome: diameter of conduite0
Direction: negatively correlatede0
Setting: waterlogged depthe0

Verbatim

e0
“the diameter of conduit was significantly negatively correlated with the waterlogged depth.”
✓ located verbatim in the source · abstract, characters 651–742

t0
“Carex lasiocarpa”
✓ located verbatim in the source · title, characters 24–40

Title

Anatomical structure of Carex lasiocarpa leaves at different habitats in Sanjiang Plain

Hongwei Ni Shengtaixue zazhi 2010

Other claims from this paper (2)

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Stele diameter was positively correlated with mean conduit diameter.

Taxon: tropical climbing plantst0
Organ / stage: conduite0
Outcome: Stele diametere0
Direction: positive correlationse0
Value: r = 0.58–0.88e0

Verbatim

t0
“tropical climbing plants”
✓ located verbatim in the source · title, characters 97–121

e0
“Stele diameter displayed significant positive correlations with mean conduit diameter ( r = 0.58–0.88)”
✓ located verbatim in the source · abstract, characters 1040–1142

Title

Differential influence of cortex and stele components on root tip diameter in different types of tropical climbing plants

Haiwu Xu; Siyuan Wang; Liang Tang; et al. Frontiers in Plant Science 2022. doi:10.3389/fpls.2022.961214

Other claims from this paper (14)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Mean Acacia conduit diameter was 77 ± 0.9 µm.

Taxon: ACACIA HOLOSERICEAAcacia holosericeat0
Outcome: Mean conduit diametere0
Value: 77 ± 0.9 µme0

Verbatim

e0
“Mean conduit diameter was 77 ± 0.9 µm, with 29% of conduits in the range 70 to 80 µm.”
✓ located verbatim in the source · abstract, characters 1217–1302

t0
“ACACIA HOLOSERICEA”
✓ located verbatim in the source · title, characters 18–36

Title

XYLEM FLOW IN CUT ACACIA HOLOSERICEA STEMS

J. W. Damunupola Queensland's institutional digital repository (The University of Queensland) 2009

Other claims from this paper (19)

Observation Acacia stem xylem principal conducting cells were tracheids and vessels with simple perforation plates.
Observation Acacia xylem conduits had bordered vestured intervessel pits.
Observation Acacia xylem vestures were branched and coralloid-like.
Observation Most Acacia conduits were 1 to 5 cm long, comprising 89%.
Observation Only about 2% of Acacia conduits were 15 to 16 cm long.
Observation Twenty-nine percent of Acacia conduits had diameter 70 to 80 µm.
Intervention effect S-carvone significantly extended Baeckea frutescens vase life.
Intervention effect S-carvone significantly extended Chamelaucium uncinatum vase life.
Observation S-carvone did not show antibacterial effects against Bacillus cereus.
Intervention effect Regular recutting improved fresh weight, solution uptake and vase life in three native cut foliage species.
Intervention effect Standard tap water improved Acacia relative fresh weight and solution uptake.
Intervention effect Neither KCl nor CaCl2 significantly raised Acacia stem conductivity in experiment 1.
Intervention effect In experiment 2, 100 mM KCl significantly increased conductivity in long Acacia stem segments over water.
Intervention effect In experiment 2, 100 mM CaCl2 significantly increased conductivity in short Acacia stem segments over water.
Association Acacia stem conductivity fell as segment length rose from 5 to 20 cm.
Method / resource The microscopy method could not identify calcium peaks in Acacia xylem vessels.
Intervention effect Ten mM KCl and CaCl2 yielded higher fresh weight, solution uptake and vase life than 0, 1 and 100 mM.
Intervention effect Standard tap water significantly improved Acacia relative fresh weight and uptake rate against other vase solutions.
Intervention effect Copper sulfate, calcium chloride, and copper sulfate plus potassium chloride significantly improved Acacia fresh weight and vase life.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Embolized-conduit percentage increased with conduit diameter under both stresses.

Taxon: Quercus ilex L.Quercus ilexe1
Organ / stage: xylem conduite0
Outcome: percentages of xylem conduits embolizede0
Direction: positively relatede0

Verbatim

e0
“The percentages of xylem conduits embolized following application of the two stresses, were positively related to xylem conduit diameter”
✓ located verbatim in the source · abstract, characters 900–1036

e1
“Quercus ilex L.”
✓ located verbatim in the source · abstract, characters 9–24

Title

Different vulnerabilities of Quercus ilex L. to freeze‐ and summer drought‐induced xylem embolism: an ecological interpretation

M. A. LO GULLO; S. SALLEO Plant Cell & Environment 1993. doi:10.1111/j.1365-3040.1993.tb00898.x

Other claims from this paper (7)

Intervention effect Freezing to −1.5°C caused 40% loss of twig hydraulic conductivity.
Intervention effect Drought at Ψ 1 /Ψ tlP = 1.05 caused 40% loss of twig hydraulic conductivity.
Observation Hydraulic recovery after thermal stress was almost complete within 24 h.
Observation Hydraulic recovery after drought was almost complete following one irrigation.
Association More severe stresses reduced recovery.
Association Under summer drought, recovery capability was positively related to conduit diameter.
Association Under winter freezing, recovery capability was not related to conduit diameter.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Applying IAA halted the decrease in conduit diameter after lamina removal.

Taxon: Nicotiana tabacumNicotiana tabacumt0
Treatment: IAA applicatione0
Outcome: decrease in the conduit diametere0
Direction: haltede0

Not reportedComparator

Verbatim

e0
“By IAA application, the decrease in the conduit diameter was halted”
✓ located verbatim in the source · abstract, characters 1473–1540

t0
“Nicotiana tabacum”
✓ located verbatim in the source · title, characters 69–86

Title

Co-ordinated development of the leaf midrib xylem with the lamina in Nicotiana tabacum

Haruhiko Taneda; Ichiro Terashima Annals of Botany 2012. doi:10.1093/aob/mcs102

Other claims from this paper (6)

Association Differences in final lamina and midrib-xylem characteristics were more strongly associated with developmental rates.
Association Developmental rates of midrib xylem characteristics were related to those of lamina area.
Intervention effect Removing the lamina reduced midrib-xylem conduit diameter.
Intervention effect Removing the lamina did not significantly change conduit number.
Intervention effect Applying IAA increased the number of midrib-xylem conduits after lamina removal.
Mechanism The authors infer that lamina-derived IAA has a crucial role in leaf venation development.

“conduit diameter”

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