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“decrease in density”

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Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Increasing density first increased and then decreased seed yield.

Taxon: Winter Oilseed RapeBrassica napust0
Treatment: increase in plant densitye0
Outcome: seed yielde0
Direction: initial increasee0
Qualifier: followed by a decreasee0

Not reportedComparator

Verbatim

e0
“The increase in plant density led to an initial increase in seed yield and pod numbers per unit area, followed by a decrease”
✓ located verbatim in the source · abstract, characters 183–307

t0
“Winter Oilseed Rape (Brassica napus L.)”
✓ located verbatim in the source · title, characters 52–91

Title

Leaf Senescence, Root Morphology, and Seed Yield of Winter Oilseed Rape (Brassica napus L.) at Varying Plant Densities

Ming Li; Muhammad Shahbaz Naeem; Shafaqat Ali; et al. BioMed Research International 2017. doi:10.1155/2017/8581072

Other claims from this paper (16)

Intervention effect Increasing density first increased and then decreased pod numbers per unit area.
Observation The optimal density was 58.5 × 10 4 plants ha −1 for both varieties.
Intervention effect High plant density produced a decrease in green leaf area index relative to low density.
Intervention effect High plant density produced a decrease in chlorophyll content relative to low density.
Intervention effect High plant density produced a increase in malondialdehyde content relative to low density.
Intervention effect High density had higher pod area index (PAI) after peak anthesis.
Intervention effect High density had higher pod photosynthesis after peak anthesis.
Intervention effect High density had higher radiation use efficiency (RUE) after peak anthesis.
Observation High density was associated with higher dry matter accumulation.
Observation High density was associated with higher nitrogen utilization efficiency.
Observation High density was associated with higher yield.
Intervention effect High density decreased root length.
Intervention effect High density decreased root tips.
Intervention effect High density decreased root surface area.
Intervention effect High density decreased root volume.
Recommendation The authors recommend increasing density within a certain range for high seed yield.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Increasing density first increased and then decreased pod numbers per unit area.

Taxon: Winter Oilseed RapeBrassica napust0
Treatment: increase in plant densitye0
Outcome: pod numbers per unit areae0
Direction: initial increasee0
Qualifier: followed by a decreasee0

Not reportedComparator

Verbatim

e0
“The increase in plant density led to an initial increase in seed yield and pod numbers per unit area, followed by a decrease”
✓ located verbatim in the source · abstract, characters 183–307

t0
“Winter Oilseed Rape (Brassica napus L.)”
✓ located verbatim in the source · title, characters 52–91

Title

Leaf Senescence, Root Morphology, and Seed Yield of Winter Oilseed Rape (Brassica napus L.) at Varying Plant Densities

Ming Li; Muhammad Shahbaz Naeem; Shafaqat Ali; et al. BioMed Research International 2017. doi:10.1155/2017/8581072

Other claims from this paper (16)

Intervention effect Increasing density first increased and then decreased seed yield.
Observation The optimal density was 58.5 × 10 4 plants ha −1 for both varieties.
Intervention effect High plant density produced a decrease in green leaf area index relative to low density.
Intervention effect High plant density produced a decrease in chlorophyll content relative to low density.
Intervention effect High plant density produced a increase in malondialdehyde content relative to low density.
Intervention effect High density had higher pod area index (PAI) after peak anthesis.
Intervention effect High density had higher pod photosynthesis after peak anthesis.
Intervention effect High density had higher radiation use efficiency (RUE) after peak anthesis.
Observation High density was associated with higher dry matter accumulation.
Observation High density was associated with higher nitrogen utilization efficiency.
Observation High density was associated with higher yield.
Intervention effect High density decreased root length.
Intervention effect High density decreased root tips.
Intervention effect High density decreased root surface area.
Intervention effect High density decreased root volume.
Recommendation The authors recommend increasing density within a certain range for high seed yield.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Population height, density and importance responded in different directions to warming.

Taxon: plant populatione0
Treatment: warminge0
Outcome: Height,density and important valuee0

Not reportedComparatorDirection

Verbatim

e0
“Height,density and important value of each plant population responded differently(increase,decrease or no effects) to warming.”
✓ located verbatim in the source · abstract, characters 727–853

Title

Short-term responses of grass community in clear-cutting land of sub-alpine regions to simulated global warming,Western Sichuan

Zhen Xu Acta Ecologica Sinica 2009

Other claims from this paper (9)

Intervention effect Constructive species sprouted, formed preflowering buds and flowered earlier under warming.
Intervention effect Constructive species withered later under warming.
Intervention effect The biodiversity index was slightly lower under chamber warming than in controls.
Intervention effect Warming altered grass community structure.
Intervention effect Under warming, Deyeuxia scabrescens aboveground biomass increased by 46.3%.
Intervention effect Under warming, Artemisia subdigitata aboveground biomass increased by 42.3%.
Intervention effect Festuca sinensis aboveground biomass decreased under warming without statistical significance.
Intervention effect Other herbs had decreased aboveground biomass under warming without statistical significance.
Intervention effect Total aboveground biomass increased 34.0% under elevated temperature relative to ambient temperature.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Lower soil water content increased peltate hairs producing essential oil, essential oil yield, and mesophyll cell density in both plants.

Taxon: Mentha spicata L. and Origanim dictamnus L.t0
Treatment: 40%e0
Outcome: number of leaf peltate hairs producing the essential oil, an increase in the leaf essential oil yield, an increase in the density of mesophyll cellse0
Direction: increasee0
Comparator: 100%e0

Verbatim

e0
“The decrease of SWC from 100% to 40% reflected an increase in the number of leaf peltate hairs producing the essential oil, an increase in the leaf essential oil yield, an increase in the density of mesophyll cells”
✓ located verbatim in the source · abstract, characters 602–816

t0
“Mentha spicata L. and Origanim dictamnus L.”
✓ located verbatim in the source · title, characters 33–76

Title

Effects of soil water content on Mentha spicata L. and Origanim dictamnus L.

Maria Matraka; Eliza Ninou; Anastasia Giannakoula; et al. Israel Journal of Plant Sciences 2010. doi:10.1560/ijps.58.2.229

Other claims from this paper (7)

Intervention effect Drought reduced height and biomass in both plants.
Observation Leaves became smaller and showed chlorosis with reddish patches.
Observation Leaf mesophyll vacuoles accumulated anthocyanins and intercellular spaces diminished.
Observation Leaf blade thickness was unchanged in M. spicata.
Observation Leaf blade thickness was greatly reduced in O. dictamnus.
Intervention effect Lower soil water content decreased stomatal number in both plants.
Intervention effect Drought negatively affected chlorophyll, fluorescence, photosynthesis, and transpiration measures.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Accumulated Sr raised specific leaf weight first and then lowered it in Vicia faba.

Taxon: Vicia fabaVicia fabat0
Treatment: accumulation of Sre5
Outcome: specific leaf weight (SLW)e7
Direction: increased first and then decreasede7

Not reportedComparator

Verbatim

t0
“Vicia faba seedlings”
✓ located verbatim in the source · title, characters 94–114

e5
“The accumulation of Sr resulted in the decrease of leaf area, dry weight, stomatal density and stomatal aperture”
✓ located verbatim in the source · abstract, characters 672–784

e7
“the specific leaf weight (SLW) increased first and then decreased”
✓ located verbatim in the source · abstract, characters 829–894

Title

Effects of strontium on the morphological and photosynthetic physiological characteristics of Vicia faba seedlings

Xi Chen; Ningying Zhong; Yayun Luo; et al. International Journal of Phytoremediation 2022. doi:10.1080/15226514.2022.2110037

Other claims from this paper (14)

Intervention effect Strontium treatment significantly decreased biomass and root activity of Vicia faba seedlings.
Intervention effect Strontium treatment caused almost no root necrosis in Vicia faba seedlings.
Intervention effect Strontium significantly inhibited taproot length, lateral root number and plant height of V. faba.
Intervention effect Strontium significantly inhibited branching number and internodes number of V. faba.
Intervention effect Strontium made the apical dominance of the taproot and terminal bud of Vicia faba more obvious.
Intervention effect Accumulated Sr decreased leaf area, dry weight and stomatal density of Vicia faba.
Intervention effect Accumulated Sr decreased stomatal aperture of Vicia faba.
Intervention effect Accumulated Sr increased guard cell length of Vicia faba.
Mechanism Changes in stomatal morphology may be a positive regulation that reduces water loss in Vicia faba.
Intervention effect Vicia faba increased non-photochemical quenching and peroxidase and ascorbate peroxidase activities under Sr stress, protecting the photosynthetic structure.
Intervention effect Low Sr concentration (250 mg·L−1) promoted photochemical efficiency and electron transfer of PSII in Vicia faba.
Intervention effect Sr at 250–1,000 mg·L−1 inhibited net photosynthetic rate, transpiration rate and stomatal conductance in Vicia faba leaves.
Mechanism Net photosynthetic rate in Vicia faba is affected by both stomatal and non-stomatal factors.
Intervention effect Sr did not cause significant damage to the PSII function of Vicia faba.

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