Search claims · PlantClaims

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Reduced humidity decreased stomatal density.

Taxon: plumPrunus domesticat0
Treatment: reduction in r.h.e0
Outcome: stomatal densitye0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“the reduction in r.h. induced a decrease in stomatal density”
✓ located verbatim in the source · abstract, characters 591–651

t0
“Water loss and photosynthesis of plum plantlets is influenced by relative humidity during rootingin vitro”
✓ located verbatim in the source · title, characters 0–105

Title

Water loss and photosynthesis of plum plantlets is influenced by relative humidity during rootingin vitro

R. Sciutti; S. Morini Journal of Horticultural Science 1995. doi:10.1080/14620316.1995.11515291

Other claims from this paper (5)

Intervention effect Lower rooting humidity increased plantlet resistance to water loss.
Intervention effect The 80% and 70% humidity treatments produced denser leaf wax and thicker filaments.
Observation Reduced humidity produced more ellipsoidal stomata with smaller openings.
Intervention effect Photosynthetic activity was slower after rooting at 80% than at 100% humidity.
Observation Total eight-hour CO2 uptake tended to be similar between 80% and 100% humidity treatments.

Associationobservedoriginal resultmeasured

Claim · model-written summary

L. esculentum idioblast density decreased slightly with canopy height.

Taxon: L. esculentumSolanum lycopersicume0
Organ / stage: height within the canopye0
Outcome: densitye0
Direction: decreasee0

Verbatim

e0
“in opposition to L. esculentum in which a small decrease in density with height within the canopy was found.”
✓ located verbatim in the source · abstract, characters 861–969

Title

Effect of fertilization levels, age and canopy height of Lycopersicon hirsutum on the resistance to Myzus persicae

G.L.D. Leite; M. Picanço; R.N.C. Guedes; et al. Entomologia Experimentalis et Applicata 1999. doi:10.1046/j.1570-7458.1999.00493.x

Other claims from this paper (15)

Association Increasing NK was inversely associated with trichome and idioblast density in L. esculentum.
Association Increasing NK was inversely associated only with idioblast density in L. hirsutum.
Association Trichome density increased with canopy height and age in both tomato species.
Association L. hirsutum idioblast density increased with canopy height to a mid-canopy maximum.
Association L. esculentum idioblast density decreased slightly with age.
Association L. hirsutum idioblast density showed a greater opposite age trend.
Observation L. esculentum leaf trichomes were mainly non-glandular at 90%.
Observation L. hirsutum trichomes were mainly glandular at 97%.
Observation Main glandular trichomes of L. hirsutum produced 2-TD and 2-UD.
Association Leaf 2-TD and 2-UD content rose with trichome density.
Association Higher 2-TD concentration lowered aphid survival and longevity.
Association Higher idioblast density lowered aphid survival and longevity.
Observation L. hirsutum had much higher 2-TD levels than L. esculentum.
Observation L. hirsutum had much higher idioblast density than L. esculentum.
Recommendation L. hirsutum was proposed as a promising aphid resistance source for tomato breeding.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Above 120 mm, size density compensation slope and canopy leaf area decreased.

Taxon: Lolium perenneLolium perennee1
Outcome: canopy leaf areae0
Direction: decreasee0

Verbatim

e0
“resulting in a reduced SDC slope and decrease in canopy leaf area”
✓ located verbatim in the source · abstract, characters 1547–1612

e1
“Lolium perenne”
✓ located verbatim in the source · abstract, characters 200–214

Title

Tiller size/density compensation in perennial ryegrass miniature swards subject to differing defoliation heights and a proposed productivity index

A. Hernández Garay; Matthew; Hodgson Grass and Forage Science 1999. doi:10.1046/j.1365-2494.1999.00187.x

Other claims from this paper (8)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Fire intensity decreased uphill with increasing rockiness and decreasing fuel density.

Outcome: fire intensitye0
Direction: decreasee0
Qualifier: increasing site rockiness and decreasing fuel densitye0
Setting: uphille0

Not reportedTaxon

Verbatim

e0
“a general uphill decrease in fire intensity, matching trends in increasing site rockiness and decreasing fuel density”
✓ located verbatim in the source · abstract, characters 1934–2051

t0
“Allosyncarpia ternata”
✓ located verbatim in the source · title, characters 52–73

Title

The role of seedling age and size in the recovery ofAllosyncarpia ternatafollowing fire

I. R. FORDYCE; D. EAMUS; G. A. DUFF; et al. Australian Journal of Ecology 1997. doi:10.1111/j.1442-9993.1997.tb00671.x

Other claims from this paper (11)

Association Fire intensity did not alter mortality among five-year-old seedlings.
Intervention effect Young seedlings had significantly greater mortality under high-intensity fire.
Intervention effect Three-year-old seedling survival and growth were marginally favored by low-intensity fire.
Association Three-year-old seedling survival and growth depended on pretreatment height.
Observation Fire tolerance threshold was above three years for short seedlings and below three years for taller seedlings.
Observation Wildfire caused severe damage to seedlings.
Observation More than three-quarters of older seedlings recovered after wildfire.
Observation Recovered older seedlings grew faster than unburned neighbors.
Observation Partial leaf scorch promoted new growth in tall seedlings and saplings.
Observation The wildfire killed all 18-month-old seedlings.
Recommendation The authors recommend at least three fire-free years after seed fall for seedling establishment.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Predicted declines in seed bank species richness and seed density were not confirmed.

Taxon: grasslandt0
Outcome: decrease in species richness and seed densitye0
Direction: not confirmede0

Verbatim

e0
“Hypotheses about changes in the seed bank during secondary succession, predicting decrease in species richness and seed density, were not confirmed”
✓ located verbatim in the source · abstract, characters 982–1129

t0
“Grassland to Forest”
✓ located verbatim in the source · title, characters 55–74

Title

Soil Seed Bank after Eighteen Years of Succession from Grassland to Forest

Per Milberg Oikos 1995. doi:10.2307/3546031

Other claims from this paper (6)

Observation Ungrazed plots developed a dense 16-20 m tree layer.
Association Ungrazed plots had fewer plant species than grazed plots, without a significant difference.
Association Species per square metre was significantly lower in ungrazed plots.
Observation Some species lost from vegetation remained as soil seeds, but most did not.
Observation New colonist seeds were evenly distributed between upper and lower soil depths.
Observation Most seeds of species that disappeared from plots were deep in soil.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Higher temperatures slightly decreased population density over three seasons.

Taxon: Euphrasia frigidaEuphrasia frigidat0
Treatment: Higher temperaturese0
Outcome: population densitiese0
Direction: decreasee0
Qualifier: during three seasonse0

Verbatim

e0
“Higher temperatures resulted in a small decrease in population densities during three seasons”
✓ located verbatim in the source · abstract, characters 337–430

t0
“Euphrasia frigida”
✓ located verbatim in the source · title, characters 129–146

Title

Effects of Temperature and Natural Disturbance on Growth, Reproduction, and Population Density in the Alpine Annual Hemiparasite Euphrasia frigida

Jorun Nylehn; Orjan Totland Arctic Antarctic and Alpine Research 1999. doi:10.2307/1552255

Other claims from this paper (6)

Intervention effect Elevated temperature significantly increased growth.
Intervention effect Elevated temperature significantly increased seed production.
Association Natural disturbance did not influence growth or seed production.
Association Population density was highest at intermediate disturbance levels.
Association The authors hypothesize that warming will increase seed output.
Association Population densities are likely to decrease under elevated temperature.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Greater pericarp image lightness and graininess was associated with lower wall density.

Taxon: tomato fruitSolanum lycopersicumt0
Organ / stage: pericarp walle0
Outcome: wall densitye0
Direction: decreasee0
Comparator: increased lightness and graininesse0

Verbatim

e0
“increased lightness and graininess of the pericarp wall image was associated with a decrease in wall density”
✓ located verbatim in the source · abstract, characters 1162–1270

t0
“RIPENING TOMATO FRUIT”
✓ located verbatim in the source · title, characters 69–90

Title

CORRELATION AMONG CHANGES IN THE NUCLEAR MAGNETIC RESONANCE IMAGE OF RIPENING TOMATO FRUIT AND OTHER RIPENING PARAMETERS

M.E. Saltveit HortScience 1990. doi:10.21273/hortsci.25.9.1132d

Other claims from this paper (3)

Observation NMR images changed substantially in pericarp wall and locular tissue during ripening.
Method / resource Visual NMR changes were difficult to evaluate objectively against other ripening parameters.
Association Lightening of the locular image was associated with tissue liquefaction.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing plant density reduced oil and protein yields per hectare.

Taxon: cottonGossypium hirsutumt0
Treatment: plant densitye0
Outcome: oil and protein yields/hae0
Direction: decreasee0

Not reportedComparator

Verbatim

t0
“cottonseed yield and quality”
✓ located verbatim in the source · title, characters 77–105

e0
“As plant density increased, there was a decrease in cottonseed yield/ha, seed index, seed protein content, oil and protein yields/ha”
✓ located verbatim in the source · abstract, characters 209–341

Title

Effect of plant population densities and application of growth retardants on cottonseed yield and quality

Zakaria M. Sawan; Ahmad E. Basyony; Willis L. McCuistion; et al. Journal of the American Oil Chemists Society 1993. doi:10.1007/bf02545314

Other claims from this paper (19)

Intervention effect Increasing plant density reduced cottonseed yield per hectare.
Intervention effect Increasing plant density reduced seed index and protein content.
Intervention effect Increasing plant density reduced oil refractive index, iodine value and unsaponifiable matter.
Intervention effect Increasing plant density reduced unsaturated fatty acids.
Intervention effect Increasing plant density raised oil acid and saponification values.
Intervention effect Increasing plant density raised saturated fatty acids.
Intervention effect Cycocel increased cottonseed yield and seed index.
Intervention effect Alar increased cottonseed yield and seed index.
Intervention effect Cycocel increased seed protein content and oil and protein yield.
Intervention effect Alar increased seed protein content and oil and protein yield.
Intervention effect Cycocel increased oil refractive index, iodine value and unsaponifiable matter.
Intervention effect Alar increased oil refractive index, iodine value and unsaponifiable matter.
Intervention effect Cycocel increased unsaturated fatty acids and reduced oil acid and saponification values.
Intervention effect Alar increased unsaturated fatty acids.
Intervention effect Oil acid and saponification values decreased with growth retardant application.
Association Cottonseed yield did not differ among application rates of either chemical.
Intervention effect Cycocel at 750 ppm produced the highest oil and protein yield per hectare, followed by Alar at 250 ppm.
Intervention effect Cycocel at 250 ppm gave the highest refractive index and unsaponifiable matter and the lowest acid value.
Intervention effect Alar at 250 ppm gave the highest iodine value and lowest saponification value.

Mechanismauthor interpretationoriginal resultsimulated

Claim · model-written summary

The decrease in herbicide use with uncertainty is attributed to the convex relationship between weed density and yield loss.

Taxon: soybeansGlycine maxe1
Interactor: cockleburXanthium strumariume1weed
Outcome: The total amount of herbicide appliede4
Qualifier: convex relationship between weed density and yield losse5

Verbatim

e1
“In an application of cocklebur control in soybeans”
✓ located verbatim in the source · abstract, characters 245–295

e4
“Under both strategies, the total amount of herbicide applied decreases with increases in uncertainty under the assumption of risk neutrality”
✓ located verbatim in the source · abstract, characters 646–786

e5
“The result is due to the convex relationship between weed density and yield loss”
✓ located verbatim in the source · abstract, characters 788–868

Title

Weed Control Decision Rules under Uncertainty

William Deen; Alfons Weersink; Calum G. Turvey; et al. Review of Agricultural Economics 1993. doi:10.2307/1349710

Other claims from this paper (4)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

More plants per hectare more than compensated for fewer buds per plant at higher density.

Taxon: Brussels sproutsBrassica oleracea var. gemmiferat0
Treatment: increased plant densitye0
Outcome: number of buds per plante0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“A decrease in the number of buds per plant due to increased plant density was more than compensated for by the increase in number of plants per hectare.”
✓ located verbatim in the source · abstract, characters 1712–1864

t0
“Brussels sprouts”
✓ located verbatim in the source · title, characters 19–35

Title

Yield formation in Brussels sprouts

A. P. Everaarts; R. Booij; C. P. De Moel The Journal of Horticultural Science and Biotechnology 1998. doi:10.1080/14620316.1998.11511038

Other claims from this paper (19)

Intervention effect Late planting initially increased leaf number, leaf area index and stem length.
Intervention effect Later planting reduced leaf number during crop growth.
Intervention effect Delayed planting reduced LAI and stem length in two of three years.
Intervention effect Plant density generally had a weaker or absent effect on leaf number, LAI and stem length compared with planting date.
Association Planting date and density had no or limited interaction on the growth characteristics.
Intervention effect Late planting raised the initial dry matter accumulation rate.
Intervention effect Late planting reduced final standing dry matter.
Intervention effect Plant density did not influence final standing dry matter.
Association Planting date and density did not interact in their effect on dry matter accumulation.
Intervention effect Planting date and density hardly influenced radiation use efficiency, which averaged 2.2 g MJ–1.
Intervention effect Delayed planting advanced bud initiation in days after planting.
Intervention effect Plant density did not influence bud initiation timing.
Intervention effect Late planting decreased bud number per plant.
Intervention effect Late planting reduced bud weight in one of three years.
Intervention effect Treatment did not consistently affect the final bud to leaf percentage.
Intervention effect Delayed planting lowered bud dry matter concentration at harvest.
Intervention effect Plant density did not influence bud dry matter concentration.
Intervention effect Dry matter harvest index was 30–45% and not greatly affected by treatments.
Recommendation For high Brussels sprouts yields, planting should be as early as field conditions allow.

“decrease in density”

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