Search claims · PlantClaims

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The degree of inhibition was lower at low light intensities than at high light intensities.

Taxon: spinachSpinacia oleraceae2
Treatment: low light intensitiese1
Outcome: degree of inhibitione1
Direction: lowere1
Comparator: high light intensitiese1

Verbatim

e1
“The degree of inhibition was lower at low light intensities than at high light intensities”
✓ located verbatim in the source · abstract, characters 646–736

e2
“in isolated spinach chloroplasts”
✓ located verbatim in the source · abstract, characters 75–107

Title

The Cupric Ion as an Inhibitor of Photosynthetic Electron Transport in Isolated Chloroplasts

Arturo Cedeno-Maldonado; J. A. Swader; Robert L. Heath PLANT PHYSIOLOGY 1972. doi:10.1104/pp.50.6.698

Other claims from this paper (7)

Intervention effect Cu(2+) strongly inhibited uncoupled photosynthetic electron transport in isolated spinach chloroplasts.
Association Cu(2+) inhibition depended on the ratio of chlorophyll to inhibitor in isolated spinach chloroplasts.
Observation Binding of Cu(2+) to chloroplast membranes removed Cu(2+) from solution in isolated spinach chloroplasts.
Intervention effect Preincubation in light increased Cu(2+) inhibition of spinach chloroplasts.
Intervention effect Preincubation in the dark decreased Cu(2+) inhibition of spinach chloroplasts.
Association Photosystem I was more resistant to inhibition than photosystem II in spinach chloroplasts.
Observation The most sensitive site to the inhibitor was the oxidizing side of photosystem II.

Intervention effectauthor interpretationoriginal resultmixedsimulated

Claim · model-written summary

Deeper light penetration improved tomato photosynthesis at summer light intensities, but not at winter light intensities.

Taxon: tomatoSolanum lycopersicume1
Treatment: deeper penetration of light in the canopye0
Outcome: crop photosynthesise0
Direction: improvese0
Qualifier: high light intensities (summer)e0
Comparator: low light intensities (winter)e0

Verbatim

e0
“At high light intensities (summer) deeper penetration of light in the canopy improves crop photosynthesis, but not at low light intensities (winter).”
✓ located verbatim in the source · abstract, characters 1544–1693

e1
“greenhouse-grown tomato crop”
✓ located verbatim in the source · abstract, characters 540–568

Title

How plant architecture affects light absorption and photosynthesis in tomato: towards an ideotype for plant architecture using a functional–structural plant model

V. Sarlikioti; P. H. B. de Visser; G. H. Buck-Sorlin; et al. Annals of Botany 2011. doi:10.1093/aob/mcr221

Other claims from this paper (7)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Lawn grasses responded differently to the various light intensities in the growth characters measured.

Taxon: Lawn grassese0
Treatment: various light intensitiese0
Outcome: responded to various light intensities differentlye0

Not reportedComparatorDirection

Verbatim

e0
“Lawn grasses responded to various light intensities differently”
✓ located verbatim in the source · abstract, characters 1234–1297

Title

Relative performance of lawn grasses under different light intensities

C. R. Mohanty; B.G. Muthappa Journal of Ornamental Horticulture 2008

Other claims from this paper (9)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Urediniospore production of Puccinia striiformis on wheat was much lower at low light intensities than at high light intensities.

Taxon: wheatTriticum aestivumt1
Treatment: low light intensitiese1
Interactor: Puccinia striiformisPuccinia striiformist1pathogen
Outcome: Urediniospore productione1
Direction: much lowere1
Comparator: high light intensitiese1

Verbatim

t1
“Puccinia striiformis on wheat”
✓ located verbatim in the source · title, characters 75–104

e1
“Urediniospore production by Puccinia striiformis on wheat per unit leaf area infected was much lower at low light intensities than at high light intensities”
✓ located verbatim in the source · abstract, characters 0–156

Title

The effect of temperature and light intensity on growth and sporulation of Puccinia striiformis on wheat

A. J. McGREGOR; J. G. MANNERS Plant Pathology 1985. doi:10.1111/j.1365-3059.1985.tb01358.x

Other claims from this paper (9)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Transpiration rate and stomatal conductance of low-light grown plants responded slowly to varied light intensities, whereas plants grown under natural light were more sensitive to changing light intensities.

Taxon: young grape plantse1
Treatment: varied light intensitiese1
Outcome: Transpiration rate and stomatal conductancee1
Direction: responded slowlye1
Comparator: natural light environmente1

Verbatim

e1
“Transpiration rate and stomatal conductance responded slowly to varied light intensities, whereas the young grape plants grown under natural light environment were more sensitive to changing light intensities”
✓ located verbatim in the source · abstract, characters 797–1005

Title

LEAF TRANSPIRATION AND STOMATAL STRUCTURE OF YOUNG GRAPE PLANTS GROWN IN A LOW LIGHT ENVIRONMENT

Zhan Ji 2005

Other claims from this paper (7)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Shoot length decreased at higher light intensities.

Taxon: red ricet0
Treatment: higher light intensitiese0
Outcome: shoot lengthe0
Direction: decreasede0

Not reportedComparator

Verbatim

e0
“At higher light intensities, shoot length decreased”
✓ located verbatim in the source · abstract, characters 650–701

t0
“red rice”
✓ located verbatim in the source · title, characters 73–81

Title

Seed vigor, antioxidant metabolism and initial growth characteristics of red rice seedlings under different light intensities

Tiago Zanatta Aumonde; Tiago Pedó; Junior Borella; et al. Acta Botanica Brasilica 2013. doi:10.1590/s0102-33062013000200007

Other claims from this paper (11)

Intervention effect Root length increased at higher light intensities.
Intervention effect Dry mass increased at higher light intensities.
Intervention effect Tiller number increased at higher light intensities.
Intervention effect Leaf area was greatest at 65% light.
Intervention effect Leaf area ratio, leaf mass ratio, specific leaf area and shoot/root ratio were lowest at 100% light.
Intervention effect Light intensity had qualitative and quantitative effects on chlorophyll contents.
Intervention effect SOD activity was higher at lower light levels.
Intervention effect CAT activity was higher at lower light levels.
Intervention effect APX activity showed the inverse light response to SOD and CAT.
Intervention effect POX activity showed the inverse light response to SOD and CAT.
Intervention effect Extremes of light availability negatively affected initial growth and photosynthetic pigments.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Kohlrabi anthocyanin concentration was greater at higher than lower light intensities.

Taxon: kohlrabiBrassica oleracea var. gongylodese0
Treatment: increasing light intensitiese0
Outcome: total concentration of anthocyaninse0
Direction: greatere0
Comparator: lower light intensitiese0

Verbatim

e0
“For kohlrabi, with increasing light intensities, the total concentration of anthocyanins was greater compared with those grown under lower light intensities”
✓ located verbatim in the source · abstract, characters 1786–1942

Title

Light Intensity and Light Quality from Sole-source Light-emitting Diodes Impact Phytochemical Concentrations within Brassica Microgreens

Joshua K. Craver; Joshua R. Gerovac; Roberto G. Lopez; et al. Journal of the American Society for Horticultural Science 2017. doi:10.21273/jashs03830-16

Other claims from this paper (8)

Intervention effect Total carotenoids declined significantly with increasing light intensity in mizuna microgreens.
Intervention effect Total carotenoids declined significantly with increasing light intensity in mustard microgreens.
Intervention effect Kohlrabi total integrated chlorophyll was higher under R 87 :B 13 than R 84 :FR 7 :B 9.
Intervention effect Mustard total integrated chlorophyll was higher under R 87 :B 13 than R 74 :G 18 :B 8.
Intervention effect At 315 µmol·m −2 ·s −1, R 87 :B 13 gave significantly higher kohlrabi anthocyanins than R 74 :G 18 :B 8.
Intervention effect At 315 µmol·m −2 ·s −1, R 84 :FR 7 :B 9 gave significantly higher kohlrabi anthocyanins than R 74 :G 18 :B 8.
Intervention effect At 105 µmol·m −2 ·s −1, kohlrabi phenolics were significantly greater under R 84 :FR 7 :B 9 than R 74 :G 18 :B 8.
Intervention effect Light intensity had no statistically significant association with kohlrabi total phenolic concentration.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Light absorption and fluorescence emission intensities weakened under continued light treatment.

Taxon: WheatTriticum aestivumt0
Treatment: Light Stresst0
Outcome: light absorbing and fluorescence emission intensitiese0
Direction: weakenede0

Not reportedComparator

Verbatim

e0
“light absorbing and fluorescence emission intensities weakened”
✓ located verbatim in the source · abstract, characters 449–511

t0
“Wheat Flag Leaf under Light Stress”
✓ located verbatim in the source · title, characters 44–78

Title

Changes of Thylakoid Membrane Characters in Wheat Flag Leaf under Light Stress

Chu Hui-jun Hubei nongye kexue 2006

Other claims from this paper (8)

Intervention effect Chlorophyll content decreased as strong-light treatment continued.
Intervention effect Unsaturated fatty acids in thylakoid membrane lipids decreased with stress time.
Intervention effect Saturated fatty acids in thylakoid membrane lipids increased with stress time.
Intervention effect The fatty acid unsaturation index decreased with stress time.
Association IUFA was positively related to PSII electron transport activity.
Observation NM9 had higher IUFA and chlorophyll content than NM8 under light stress.
Observation NM9 had greater O2-evolving activity than NM8 under light stress.
Observation The authors infer that NM9 may resist high-light photoinhibition more than NM8.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Higher light intensities increased monstera biomass.

Taxon: monsteraMonsterae0
Treatment: higher light intensitiese0
Outcome: monstera plantse0
Direction: highere0

Not reportedComparator

Verbatim

e0
“similar to monstera plants exposed to higher light intensities”
✓ located verbatim in the source · abstract, characters 552–614

Title

Growth of maize and monstera following root exposure to red or blue light from light-emitting diodes

Hiromi Ikeura; Daisuke Takagi; Ryusuke Kimura; et al. The Journal of Horticultural Science and Biotechnology 2025. doi:10.1080/14620316.2025.2530723

Other claims from this paper (6)

Intervention effect Red LED root exposure increased maize shoot and root biomass.
Intervention effect LED treatment significantly decreased root water potential.
Intervention effect LED light increased root glucose relative to controls.
Intervention effect LED light increased root potassium ions relative to controls.
Intervention effect Red LED light had greater glucose and potassium effects than blue light.
Observation The authors conclude red root LED exposure accelerates root and shoot growth.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Very low light intensities inhibited decoated seeds.

Taxon: CITRULLUS COLOCYNTHISCitrullus colocynthist0
Treatment: Very low light intensitiese0
Outcome: decoated seedse0
Direction: inhibite0

Not reportedComparator

Verbatim

e0
“Very low light intensities sufficed to inhibit decoated seeds”
✓ located verbatim in the source · abstract, characters 1485–1546

t0
“CITRULLUS COLOCYNTHIS”
✓ located verbatim in the source · title, characters 37–58

Title

GERMINATION‐REGULATING MECHANISMS IN CITRULLUS COLOCYNTHIS

D. Koller; A. Poljakoff‐Mayber; A. Berg; et al. American Journal of Botany 1963. doi:10.1002/j.1537-2197.1963.tb07233.x

Other claims from this paper (12)

Observation Intact mature dry seeds did not germinate under a wide variety of conditions.
Intervention effect Opening or removing the testa made germination possible.
Intervention effect Other pretreatments, including ones modifying or piercing the testa, did not induce germination.
Observation No inhibitors were found in the testa.
Intervention effect Continuous light below 25 C inhibited germination of decoated seeds.
Intervention effect Removing the inner seed membrane removed light inhibition of germination.
Intervention effect Continuous light greatly reduced naked embryo growth at all temperatures and strongly influenced early development.
Intervention effect The intact inner seed membrane inhibited germination in light below 25 C but had no effect in darkness.
Mechanism Moist filter paper reproduced the membrane inhibitory effect, suggesting interference with respiratory gas exchange.
Observation At least 12‐hr daily illumination was required for significant inhibition.
Intervention effect Blue visible light was most inhibitory.
Observation Light perception was located in the radicular embryo portions.

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