Search claims · PlantClaims

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Conditions inducing more cell enlargement were interpreted to decrease sclereid density.

Taxon: pearPyrus communise0
Outcome: sclereid densitye0
Direction: decreasee0
Qualifier: more cell enlargement inducing conditione0

Verbatim

e0
“more cell enlargement inducing condition result in a decrease in the sclereid density in pear fruits.”
✓ located verbatim in the source · abstract, characters 1347–1448

Title

HISTOLOGICAL AND POMOLOGICAL CHARACTERIZATION OF SCLEREID CELL CLUSTERS IN SOME IRANIAN LOCAL AND EUROPEAN PEAR CULTIVARS

F.T. Hagh; H. Abdollahi Acta Horticulturae 2010. doi:10.17660/actahortic.2010.877.101

Other claims from this paper (7)

Observation Felestini had the fewest sclereid clusters per sample.
Observation Red Bartlett had the most sclereid clusters per sample.
Observation Felestini had the fewest sclereid cells per cluster.
Observation Shahak had the most sclereid cells per cluster.
Association Fruit size and volume correlated strongly with sclereid cluster density.
Association Genetically small-fruited cultivars had higher sclereid density.
Observation Sclereids differentiated in the primary phase of pear fruit development before cell division ceased.

Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

The MtCAS31 and AtICE1 interaction is hypothesized to cause the decrease in stomatal density that enhances drought resistance in transgenic Arabidopsis.

Taxon: ArabidopsisArabidopsise6
Gene: AtICE1e6
Outcome: decrease in stomatal densitye6
Qualifier: the interaction of MtCAS31 and AtICE1e6

Verbatim

e6
“We hypothesize that the interaction of MtCAS31 and AtICE1 caused the decrease in stomatal density to enhance the drought resistance of transgenic Arabidopsis”
✓ located verbatim in the source · abstract, characters 1421–1578

Title

Overexpression of MtCAS31 enhances drought tolerance in transgenic Arabidopsis by reducing stomatal density

Can Xie; Rongxue Zhang; Yueting Qu; et al. New Phytologist 2012. doi:10.1111/j.1469-8137.2012.04136.x

Other claims from this paper (4)

Intervention effect After a 3-h drought treatment, MtCAS31 expression in Medicago truncatula increased 600-fold.
Intervention effect MtCAS31 overexpression reduced stomatal density in transgenic Arabidopsis.
Intervention effect MtCAS31 overexpression markedly enhanced drought tolerance in transgenic Arabidopsis.
Observation MtCAS31 could interact with AtICE1 and the AtICE1 homologous protein Mt7g083900.1 both in vitro and in vivo.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Colchicine-induced tetraploid S. hains plants had a decrease in stomata density relative to diploid control plants.

Taxon: Salvia hainst0
Treatment: induced tetraploide4
Outcome: stomata densitye7
Direction: decreasee7
Comparator: diploid (control) plantse5

Verbatim

t0
“Salvia hains”
✓ located verbatim in the source · title, characters 34–46

e4
“The induced tetraploid in S. hains was accompanied by larger stomata”
✓ located verbatim in the source · abstract, characters 602–670

e5
“compared to diploid (control) plants”
✓ located verbatim in the source · abstract, characters 750–786

e7
“decrease in stomata density”
✓ located verbatim in the source · abstract, characters 721–748

Title

Doubling the chromosome number of Salvia hains using colchicine: Evaluation of morphological traits of recovered plants

Mohammad Sadat‐Hosseini; Heidar Meftahizadeh; Naser Lotfi; et al. Journal of Medicinal Plants Research 2011. doi:10.5897/jmpr.9000459

Other claims from this paper (6)

Intervention effect Tetraploid Salvia hains plants were obtained after applying 0.3, 0.4 and 0.5% colchicine.
Intervention effect Plants obtained from 0.1% colchicine were all diploid.
Intervention effect Colchicine-induced tetraploid S. hains plants had larger stomata than diploid control plants.
Intervention effect Colchicine-induced tetraploid S. hains plants had an increase in chloroplast number in guard cells relative to diploid control plants.
Recommendation The colchicine technique for tetraploid S. hains could be used in breeding programs.
Observation The techniques used to induce tetraploid S. hains by colchicine were successful.

Associationobservedoriginal resultmeasured

Claim · model-written summary

As ICK2/KRP2 levels decrease, the increase in Arabidopsis lateral root density depends on CYCD2;1.

Taxon: ArabidopsisArabidopsist0
Treatment: ICK2/KRP2 levels decreasee5
Gene: CYCD2;1e5
Outcome: lateral root densitye5
Direction: increasee5

Verbatim

t0
“The Arabidopsis D-Type Cyclin CYCD2;1”
✓ located verbatim in the source · title, characters 0–37

e5
“as ICK2/KRP2 levels decrease, the increase in lateral root density depends on CYCD2;1”
✓ located verbatim in the source · abstract, characters 1135–1220

Title

The Arabidopsis D-Type Cyclin CYCD2;1 and the Inhibitor ICK2/KRP2 Modulate Auxin-Induced Lateral Root Formation

Luis Sanz; Walter Dewitte; Celine Forzani; et al. The Plant Cell 2011. doi:10.1105/tpc.110.080002

Other claims from this paper (10)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Leaf density decreases from branch ends toward the central axis.

Organ / stage: branch-ende0
Outcome: leaf densitye0
Direction: decreasee0

Not reportedTaxon

Verbatim

e0
“decrease in leaf density from branch-end toward the central axis”
✓ located verbatim in the source · abstract, characters 1128–1192

Title

Tree Shape and Branch Structure: Mathematical Models

Dick F Yeatts Mathematical and Computational Forestry & Natural-Resource Sciences (MCFNS) 2012

Other claims from this paper (9)

Method / resource A leaf distribution model describes tree profiles with one parameter.
Observation The total area of stems leaving a fork usually exceeds the entering stem area.
Mechanism The model finds that bulking up reduces branching tissue quantity.
Association Branching angle increases with the degree of bulking up.
Association Trunk cross-sectional area is determined by tree profile and side branch angle.
Observation Observed crowns show azimuthal symmetry.
Method / resource Uniform crown leaf distribution produces nearly spherical predicted profiles.
Method / resource Leaves concentrated at branch ends produce essentially conical predicted profiles.
Method / resource Field branching measurements generally agree with the predicted relationship.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Wood density then decreases slightly.

Taxon: European aspenPopulus tremulat0
Outcome: Wood densitye0
Direction: decreasee0

Verbatim

e0
“Wood density increases from pith to bark up to certain dimensions and shows a slight decrease afterwards.”
✓ located verbatim in the source · abstract, characters 808–913

t0
“European aspen”
✓ located verbatim in the source · title, characters 32–46

Title

Mapping of basic density within European aspen stems in Latvia

Jānis Liepiņš; Jānis Ivanovs; Andis Lazdiņš; et al. Silva Fennica 2017. doi:10.14214/sf.7798

Other claims from this paper (5)

Observation Aspen stem wood and bark have different density patterns.
Observation Wood density increases outward from pith to bark up to certain dimensions.
Observation Weighted bark basic density was higher than stem wood density.
Method / resource Breast-height measurements reliably estimated whole-tree stem-component densities.
Association Tree and stand parameters were weak predictors of whole-tree component density.

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Tetraploids had lower stomatal and trichome density.

Taxon: Psathyrostachys junceaPsathyrostachys junceae1
Outcome: density of stomas and trichomese0
Direction: decreasee0

Verbatim

e0
“decrease in the density of stomas and trichomes”
✓ located verbatim in the source · abstract, characters 419–466

e1
“Psathyrostachys juncea.”
✓ located verbatim in the source · title, characters 75–98

Title

Morphological and cytological characteristics of diploid and tetraploid of Psathyrostachys juncea.

Qi LiNa; Yun Jin-feng; Yun Lan; et al. Zhongguo caodi xuebao 2010

Other claims from this paper (6)

Observation Tetraploid plants had 28 chromosomes.
Observation Diploid plants had 14 chromosomes.
Observation Tetraploids had greater leaf length and width than diploids.
Observation Tetraploids had greater stomatal length and width.
Observation Variation was least for upper epidermis stomatal length at 6.57%.
Observation Variation was greatest for lower leaf trichome density at 17.58%.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

BSO did not decrease lateral root density.

Treatment: buthionine sulfoximine (BSO)e0
Outcome: Lateral root (LR) densitye1

Not reportedTaxonComparatorDirection

Verbatim

e0
“but not by the GSH synthesis inhibitor, buthionine sulfoximine (BSO)”
✓ located verbatim in the source · abstract, characters 415–483

t0
“root architecture”
✓ located verbatim in the source · title, characters 48–65

e1
“Lateral root (LR) density was significantly decreased in GSH synthesis mutants (cad2-1, pad2-, rax1-)”
✓ located verbatim in the source · abstract, characters 312–413

Title

A new role for glutathione in the regulation of root architecture linked to strigolactones

BELEN MARQUEZ‐GARCIA; MARIA NJO; TOM BEECKMAN; et al. Plant Cell & Environment 2013. doi:10.1111/pce.12172

Other claims from this paper (8)

Observation Lateral root density was significantly decreased in GSH synthesis mutants.
Observation Root glutathione content was similar in wild-type and strigolactone synthesis or signaling mutants.
Intervention effect BSO depleted tissue GSH similarly in wild type and SL synthesis mutants.
Intervention effect BSO-induced GSH depletion had no effect on lateral root density.
Intervention effect GR24 increased root glutathione in wild-type seedlings.
Intervention effect GR24 increased root glutathione in max3-9 and max4-1 seedlings.
Intervention effect The GR24-associated increase in root glutathione was absent in max2-1.
Mechanism The data indicate a MAX2-dependent link between strigolactones and the GSH pool.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Polluted leaves had reduced leaf density.

Organ / stage: leafe0
Outcome: leaf densitye0
Direction: decreasee0

Not reportedTaxon

Verbatim

e0
“the decrease of leaf density is due probably to (i) a decrease in intercellular spaces, (ii) a decline of vascular bundles number and (iii) a gradual sclerotization of collenchyma cells occurring jointly with a thickening of their walls.”
✓ located verbatim in the source · abstract, characters 886–1123

Title

MORPHO-ANATOMICAL AND PHYSIOLOGICAL CHANGES IN GRAPEVINE LEAVES EXPOSED TO ATMOSPHERIC FLUORIDE AND SULFUR DIOXIDE POLLUTION

N. RHIMI Applied Ecology and Environmental Research 2016. doi:10.15666/aeer/1405_077089

Other claims from this paper (8)

Observation Fluoride and calcium preferentially accumulated in leaf margins and tips.
Observation Sulfur and magnesium accumulated in central leaf areas.
Mechanism Calcium and magnesium were interpreted as participating in fluoride detoxification and metabolic regulation.
Observation Net photosynthesis was maintained at appropriate levels despite leaf necrosis.
Observation Necrosis altered 30 to 40% of the leaf surface.
Observation Intercellular spaces decreased in polluted leaves.
Observation Vascular bundle number declined in polluted leaves.
Observation Collenchyma cells gradually sclerotized and their walls thickened in polluted leaves.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Increasing plant density decreased leaf angle in maize.

Taxon: MaizeZea mayst0
Treatment: Increasing plant densitye1
Outcome: leaf anglee1
Direction: decreasee1

Not reportedComparator

Verbatim

t0
“Morphological Variation of Maize Cultivars”
✓ located verbatim in the source · title, characters 0–42

e1
“Increasing plant density resulted in a decrease in leaf angle; however, an increase in LOV”
✓ located verbatim in the source · abstract, characters 1180–1270

Title

Morphological Variation of Maize Cultivars in Response to Elevated Plant Densities

Ling Gou; Jun Xue; Bingqin Qi; et al. Agronomy Journal 2017. doi:10.2134/agronj2016.11.0675

Other claims from this paper (12)

Intervention effect Leaf length and width of maize decreased as plant density increased.
Intervention effect In maize, leaf width decreased more than leaf length under increased plant density.
Association Changes in leaf dimensions caused the leaf area of maize to decline.
Intervention effect Increasing plant density increased the leaf orientation value (LOV) above the ear in maize.
Association Leaf spacing below the ear of maize increased as plant density increased.
Association Ear height and plant height coefficient of maize increased with increasing plant density.
Intervention effect Leaves above the ear became more upright in maize as plant density increased.
Intervention effect Light intensity within the maize canopy decreased with increasing plant density.
Association Canopy leaf changes in maize were more affected above the ear than below the ear as plant density increased.
Observation Leaf area index of maize increased from the top and the bottom of the canopy.
Observation Leaf angle of maize generally decreased from the bottom to the top of the canopy.
Observation Leaf orientation value (LOV) of maize showed the opposite trend to leaf angle.

“decrease in density”

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