Search claims · PlantClaims

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)

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors conclude that Mentha arvensis is best grown under low light intensities.

Taxon: Mentha arvensisMentha arvensise0
Outcome: best grown under low light intensitiese0

Verbatim

e0
“Mentha arvensis is best grown under low light intensities”
✓ located verbatim in the source · abstract, characters 1316–1373

Title

Effect of different light intensities on growth rate in Mentha arvensis

Dhiya’ Syahirah Deraman; Furzani Pa’ee; Nur A’in Mohd Nasim; et al. IOP Conference Series Earth and Environmental Science 2019. doi:10.1088/1755-1315/269/1/012016

Other claims from this paper (3)

Intervention effect Mentha arvensis plants under 100% full ambient light had the highest fresh mass, 3.3275 g.
Intervention effect Mentha arvensis plants under 100% full ambient light had the highest dry weight, 0.932 g.
Intervention effect Mentha arvensis plants under 50% full ambient light had the highest plant height, number of leaves and branches compared with 70% and 100% light.

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.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Leaves became thinner at lower light intensities.

Taxon: black pepper (Piper nigrum L.)Piper nigrumt0
Treatment: lower light intensitiese0
Outcome: leavese0
Direction: thinnere0

Verbatim

e0
“leaves become thinner at lower light intensities”
✓ located verbatim in the source · abstract, characters 968–1016

t0
“black pepper (Piper nigrum L.)”
✓ located verbatim in the source · title, characters 75–105

Title

The effect of light intensities on morpho-physiological and biochemical of black pepper (Piper nigrum L.)

Issukindarsyah; Endang Sulistyaningsih; Didik Indradewa; et al. E3S Web of Conferences 2021. doi:10.1051/e3sconf/202130601009

Other claims from this paper (5)

Observation Variety and light intensity showed no interaction.
Observation Leaf morphophysiological and biochemical responses were the same across three varieties and light intensities.
Intervention effect Light intensity up to 50% did not affect leaf morphological characters.
Intervention effect Chlorophyll, nitrate reductase activity and leaf sucrose concentration remained the same across light intensities up to 50%.
Association Higher light intensity was associated with more stomata.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Regel privet tolerated all tested light intensities.

Taxon: Regel privete0
Outcome: tolerante0
Qualifier: all light intensities usede0

Verbatim

e0
“Regel privet was tolerant of all light intensities used”
✓ located verbatim in the source · abstract, characters 1785–1840

Title

LIGHT INTENSITY AS IT AFFECTS GROWTH AND BRANCHING OF THREE WOODY PLANT SPECIES (HETEROPHYLLOUS, EUONYMUS, BIFURCATION RATIO)

Gary W. Knox Purdue e-Pubs (Purdue University System) 1984

Other claims from this paper (16)

Intervention effect Low light produced more leaf primordia in terminal buds of Euonymus.
Association Euonymus bud primordia number did not correspond to next-year shoot leaf number.
Intervention effect Euonymus in full sunlight had the greatest stem and root soluble sugars and starch.
Intervention effect Light did not influence bud morphology in privet.
Intervention effect Light did not influence stem and root soluble sugars and starch in privet.
Intervention effect Light did not influence bud morphology in viburnum.
Intervention effect Light did not influence stem and root soluble sugars and starch in viburnum.
Intervention effect Viburnum dry weights were greatest under 53%, 70% and 100% light after one season.
Association Prior-year light strongly affected second-season plant dry weight.
Intervention effect Viburnum grown in full sun in 1982 had the greatest dry weights in 1983.
Intervention effect Privet shaded in 1982 had the greatest shoot dry weights in 1983 regardless of 1983 light.
Intervention effect Full sun in 1982 increased viburnum branch number, branch length and internode length in 1983.
Intervention effect Privet in 100% light in 1983 was more branched than shaded plants.
Observation Willowwood viburnum tolerated 53% to 100% light.
Intervention effect Light intensity did not significantly affect Euonymus growth.
Recommendation The authors suggest varying light to improve growth and branching and shorten time to sale.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Hedera height did not differ statistically across light sources or intensities.

Taxon: Hedera rhombeaHedera rhombeae0
Treatment: light sources and light intensitiese0
Outcome: heightse0
Direction: did not show differencese0

Not reportedComparator

Verbatim

e0
“Hedera rhombea heights did not show differences statistically as responses to light sources and light intensities.”
✓ located verbatim in the source · abstract, characters 509–623

Title

Effects of Artificial Light Sources and Light Intensities in Subway Stations on the Growth of Hedera rhombea and Saxifraga stolonifera

Jin Hee Ju; Kwang Ja Bang Journal of the Korea Society of Environmental Restoration Technology 2008

Other claims from this paper (11)

Association Hedera height tended to rise with intensity and was greatest under halogen light.
Intervention effect Hedera branch number increased under fluorescent light and higher intensities.
Observation Hedera leaf number ranked highest under three-wave fluorescent light at 1,000 Lux.
Intervention effect Hedera leaves were wider under low light intensity.
Intervention effect Hedera chlorophyll did not differ between three-wave fluorescent and halogen light.
Association Hedera chlorophyll increased with fluorescent-light intensity.
Intervention effect Saxifraga plants died or declined under fluorescent light.
Intervention effect Saxifraga grew poorly below 200 Lux under all light sources.
Observation Saxifraga height, shoot and leaf number ranked highest under halogen light at 1,000 Lux.
Observation Saxifraga leaf width and length ranked highest under halogen light at 1,000 Lux.
Observation Saxifraga chlorophyll was greatest under three-wave fluorescent light at 700 Lux.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Leafy-green quality often deteriorated at higher light intensities.

Taxon: leafy greense0
Treatment: higher light intensitiese0
Outcome: qualitye0
Direction: deterioratede0

Not reportedComparator

Verbatim

e0
“the quality of the leafy greens often deteriorated at higher light intensities.”
✓ located verbatim in the source · abstract, characters 1112–1191

Title

Growing fresh food on future space missions: Environmental conditions and crop management

Esther Meinen; Tom Dueck; Frank Kempkes; et al. Scientia Horticulturae 2018. doi:10.1016/j.scienta.2018.03.002

Other claims from this paper (15)

Intervention effect Lettuce biomass rose 35–90% as light increased from 200 to 600 μmol m−2 s−1.
Intervention effect Red mustard responded well to increased light, with a 35–90% range reported jointly with lettuce.
Observation Other crops responded variably to increasing light.
Intervention effect Determinate tomato fruit biomass increased 8–15% from 300 to 600 μmol m−2 s−1 light.
Intervention effect Cucumber fruit biomass increased 8–15% from 300 to 600 μmol m−2 s−1 light.
Association Tomato fruit number increased with biomass.
Observation Cucumber fruit number decreased while individual fruits became heavier.
Observation Individual cucumber fruits became heavier.
Intervention effect Increasing temperature had variable effects on production.
Intervention effect Herb regrowth often lagged at 25 °C.
Observation The expected fresh food production ranking was lettuce, cucumber, radish, then tomato.
Intervention effect Spread harvesting raised yield of three lettuce cultivars to about 400% of single harvesting.
Intervention effect Spread harvesting raised spinach yield to about 400% of single harvesting.
Intervention effect Increasing plant density increased fresh food production.
Intervention effect Applying spread harvesting increased fresh food production.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Shawen spinach exhibited leaf curling under all four light intensities.

Taxon: spinachSpinacia oleraceae6
Material: Shawene6
Treatment: all four light intensitiese6
Outcome: leaf curlinge6

Not reportedDirection

Verbatim

e6
“Shawen spinach exhibited leaf curling under all four light intensities”
✓ located verbatim in the source · abstract, characters 1298–1368

Title

Effects of Light Intensity on Growth and Quality of Lettuce and Spinach Cultivars in a Plant Factory

Chen Miao; Shaojun Yang; Jing Xu; et al. Plants 2023. doi:10.3390/plants12183337

Other claims from this paper (9)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Response to increasing soil N was greater at higher light intensities.

Taxon: SpinachSpinacia oleraceat0
Treatment: higher light intensitiese0
Outcome: response to soil increments of Ne0
Direction: greatere0

Verbatim

e0
“response to soil increments of N was greater at higher light intensities”
✓ located verbatim in the source · abstract, characters 427–499

t0
“Spinach”
✓ located verbatim in the source · title, characters 24–31

Title

Nitrate Accumulation in Spinach Grown Under Different Light Intensities1,2

Daniel J. Cantliffe Journal of the American Society for Horticultural Science 1972. doi:10.21273/jashs.97.2.152

Other claims from this paper (9)

Intervention effect Adding soil N increased leaf total N concentration.
Intervention effect Adding soil N increased leaf nitrate concentration.
Intervention effect Reduced light increased leaf total N concentration.
Intervention effect Reduced light increased leaf nitrate concentration.
Observation At 600 ft-c, spinach accumulated NO 3 -N and total N at all soil N levels.
Intervention effect Reducing light from 2400 to 600 ft-c increased tissue K concentration.
Intervention effect N fertilizer at 200 mg/kg soil increased tissue K concentration.
Intervention effect Adding N fertilizer to 100 mg/kg soil reduced leaf P.
Association Leaf P content varied with light intensity.

“light intensities”

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