Search claims · PlantClaims

Observationobservedreview summarynegativebasis n/a

Claim · model-written summary

High light intensities cause photoinhibition in tea.

Taxon: Teat0
Outcome: photoinhibition occurse0
Qualifier: high light intensitiese0

Verbatim

e0
“photoinhibition occurs at high light intensities”
✓ located verbatim in the source · abstract, characters 832–880

t0
“Tea”
✓ located after whitespace/quote normalisation · title, characters 17–20

Title

Ecophysiology of tea

W.A. Janendra M. De Costa; A. Janaki Mohotti; Madawala A. Wijeratne Brazilian Journal of Plant Physiology 2007. doi:10.1590/s1677-04202007000400005

Other claims from this paper (9)

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 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 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.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sirococcus infection percentage was greater under low light intensities (900–3900 lx) than under high light intensities (4300 – 10 000 lx).

Taxon: black sprucePicea marianat0
Treatment: low light intensities (900–3900 lx)e1
Outcome: percentage infectione1
Direction: greatere1
Qualifier: At all temperature rangese1
Comparator: relatively high light intensities (4300 – 10 000 lx)e1

Verbatim

t0
“Environmental factors affecting Sirococcus shoot blight of black spruce”
✓ located verbatim in the source · title, characters 0–71

e1
“At all temperature ranges, the percentage infection was greater under low light intensities (900–3900 lx) than under relatively high light intensities (4300 – 10 000 lx)”
✓ located verbatim in the source · abstract, characters 957–1126

Title

Environmental factors affecting Sirococcus shoot blight of black spruce

R. E. Wall; L. P. Magasi Canadian Journal of Forest Research 1976. doi:10.1139/x76-060

Other claims from this paper (9)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Lower light intensities had only a partial effect on leaf expansion.

Taxon: BEAN PLANTSt0
Treatment: Lower light intensitiese0
Outcome: partial effecte0
Direction: partial effecte0

Not reportedComparator

Verbatim

e0
“Lower light intensities had a partial effect.”
✓ located verbatim in the source · abstract, characters 276–321

t0
“BEAN PLANTS”
✓ located verbatim in the source · title, characters 51–62

Title

LIGHT-STIMULATED LEAF GROWTH ON INTACT AND EXCISED BEAN PLANTS (PHASEOLUS VULGARIS L.) III. EFFECT OF LIGHT INTENSITY

Shimon Lavee; Elizabeth Van Volkenburgh; Robert Cleland E. Israel Journal of Plant Sciences 1999. doi:10.1080/07929978.1999.10676778

Other claims from this paper (8)

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.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

mgd1 plants could not withstand high light intensities.

Taxon: Arabidopsis thalianaArabidopsis thalianat0
Material: mgd1e0
Outcome: could not withstand high light intensitiese0

Verbatim

e0
“mgd1 could not withstand high light intensities”
✓ located verbatim in the source · abstract, characters 561–608

t0
“Arabidopsis thaliana”
✓ located verbatim in the source · title, characters 103–123

Title

The galactolipid monogalactosyldiacylglycerol (MGDG) contributes to photosynthesis-related processes inArabidopsis thaliana

Henrik Aronsson Plant Signaling & Behavior 2008. doi:10.4161/psb.3.12.6908

Other claims from this paper (5)

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Lesions were larger at reduced light intensities.

Taxon: CornZea mays subsp. mayst0
Treatment: reduced light intensitiese0
Outcome: Lesionse0
Direction: largere0

Not reportedComparator

Verbatim

e0
“Lesions were also larger (P=0.05) at the reduced light intensities.”
✓ located verbatim in the source · abstract, characters 486–553

t0
“Corn”
✓ located verbatim in the source · title, characters 51–55

Title

Variation in Expression of Monogenic Resistance in Corn toExserohilum turcicumRace 3 Under Different Temperature and Light Regimes

S. Leath Phytopathology 1990. doi:10.1094/phyto-80-309

Other claims from this paper (6)

Association Temperature and light conditions influenced lesion type, number, length and fungal sporulation.
Intervention effect Isolates produced more lesions at 22/18 than at 26/22°C.
Intervention effect Isolates produced more lesions at 162 or 324 than at 647 µmol m-2 s-1 light intensity.
Observation Race virulence was clearly expressed at 22/18° and low light but inconsistent at 26/22° and 647 µmol m-2 s-1.
Observation Resistance of Ht1, Ht2 and Ht3 was often incomplete at 22/18° and low light.
Method / resource Race 3 was readily recognized at 22/18° with its clearest differential reaction at 324 µmol m-2 s-1.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Lower light intensities inhibited seedling growth.

Taxon: eggplantSolanum melongenat0
Treatment: lower light intensities by shade treatmentse0
Outcome: growthe0
Direction: inhibitede0

Not reportedComparator

Verbatim

e0
“The growth was inhibited by shorter daylengths or lower light intensities by shade treatments.”
✓ located verbatim in the source · abstract, characters 253–347

t0
“eggplant”
✓ located verbatim in the source · title, characters 55–63

Title

The physiological study on the quality of seedlings in eggplant. (1). Effects of daylength and light intensity.

Huining LOU; Toru KATO Seibutsu kankyō chōsetsu/Seibutsu kankyou chousetsu 1988. doi:10.2525/ecb1963.26.69

Other claims from this paper (13)

Intervention effect Shorter daylengths inhibited eggplant seedling growth.
Observation S/R was smaller under natural daylength.
Observation S/R was smaller under natural light intensity.
Intervention effect Shorter daylengths reduced stem carbohydrates and nitrogen compounds relative to natural conditions.
Intervention effect Lower light intensities reduced stem carbohydrates and nitrogen compounds relative to natural conditions.
Association S/R correlated closely with total sugars and insoluble nitrogen in stems.
Intervention effect Longer daylength increased cytokinin, abscisic acid and indoleacetic acid in shoot apices.
Intervention effect Higher light intensity increased cytokinin, abscisic acid and indoleacetic acid in shoot apices.
Observation Gibberellin-like substances were lower under longer daylength or higher light intensity.
Association S/R correlated negatively with cytokinin, abscisic acid and indoleacetic acid levels.
Association S/R correlated positively with gibberellin-like substances.
Association Higher stem sugar and insoluble nitrogen accompanied higher shoot-apex cytokinin, abscisic acid and indoleacetic acid.
Association Higher stem sugar and insoluble nitrogen accompanied lower gibberellin-like substances in shoot apices.

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