Search claims · PlantClaims

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)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Induction of ELIPs occurs even at very low light intensities.

Taxon: BarleyHordeum vulgaret0
Treatment: very low light intensitiese4
Outcome: Induction of ELIPse4
Qualifier: even at very low light intensitiese4

Verbatim

e4
“Induction of ELIPs occurs even at very low light intensities and is saturated at about 1000 lx”
✓ located verbatim in the source · abstract, characters 870–964

t0
“proteins of Barley”
✓ located verbatim in the source · title, characters 26–44

Title

The early light‐inducible proteins of Barley °

Bernhard GRIMM; Klaus KLOPPSTECH European Journal of Biochemistry 1987. doi:10.1111/j.1432-1033.1987.tb13364.x

Other claims from this paper (11)

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 resultpositivemeasured

Claim · model-written summary

Optimum growth of Elaeagnus angustifolia occurred towards high light intensities.

Taxon: Elaeagnus angustifoliaElaeagnus angustifoliae0
Treatment: high light intensitiese0
Outcome: Optimum growthe0
Direction: Optimume0

Not reportedComparator

Verbatim

e0
“Optimum growth of Elaeagnus angustifolia occurred towards high light intensities”
✓ located verbatim in the source · abstract, characters 1531–1611

Title

INFLUENCE OF LIGHT INTENSITY ON GROWTH, NODULATION AND NITROGEN FIXATION OF SELECTED WOODY ACTINORHIZAL SPECIES

M. E. C. Graça Purdue e-Pubs (Purdue University System) 1983

Other claims from this paper (19)

Intervention effect Optimum growth of Alnus glutinosa occurred in plants grown in full sun.
Intervention effect Acetylene reduction rates of Alnus glutinosa were maximum in full sun.
Association Acetylene reduction rates of Alnus glutinosa were highly correlated with chlorophyll content per unit leaf area, specific leaf weight and nodule starch content.
Intervention effect Number and fresh weight of nodules of Alnus glutinosa were higher in full-sun-grown plants than at other light intensities.
Intervention effect Total N content of Alnus glutinosa plants was higher in full-sun-grown plants than at other light intensities.
Intervention effect Optimum growth of Myrica pensylvanica occurred in plants grown under 70% light intensity.
Intervention effect Myrica pensylvanica plants at 70% light had more chlorophyll per unit leaf area than plants grown in full sun.
Intervention effect Myrica pensylvanica plants at 70% light had fewer leaves than plants grown in full sun.
Intervention effect Acetylene reduction rates of Myrica pensylvanica were maximum at 70% light.
Intervention effect Reducing and non-reducing sugars in the nodules of Myrica pensylvanica increased with increased light intensity.
Intervention effect Fresh weight of nodules of Myrica pensylvanica was not affected by light.
Intervention effect Optimum shoot/root ratio of Elaeagnus umbellata occurred in plants grown under 70% light.
Intervention effect Acetylene reduction rates of Elaeagnus umbellata were maximum in full sun.
Association Acetylene reduction rates of Elaeagnus umbellata were correlated with non-reducing sugars content in the nodules.
Intervention effect Elaeagnus umbellata plants grown under light had higher N content than plants grown in other treatments.
Intervention effect Elaeagnus angustifolia had maximum acetylene reduction rates and highest N content under full sun.
Intervention effect Number and fresh weight of nodules of Elaeagnus angustifolia were not affected by light intensity.
Intervention effect Light intensity affected both growth and nitrogen fixation rates of the actinorhizal species studied.
Mechanism Supply of photosynthates through light intensity appeared to regulate nitrogen fixation rates, which in turn affected growth in most of the species studied.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Light-induced growth inhibition and nodulation were greatest at high light intensities.

Taxon: Zamia pumila L.Zamia pumilat0
Treatment: high light intensitiese0
Outcome: growth inhibition and nodulatione0
Direction: greateste0

Verbatim

e0
“Light-induced growth inhibition and nodulation were greatest at high light intensities”
✓ located verbatim in the source · abstract, characters 263–349

t0
“Zamia pumila L.”
✓ located verbatim in the source · title, characters 66–81

Title

Effects of Light on Root Growth, Nodulation, and Apogeotropism of Zamia pumila L. Seedlings in Sterile Culture

David Webb American Journal of Botany 1982. doi:10.2307/2443017

Other claims from this paper (5)

Intervention effect Light caused secondary root nodulation in Zamia seedlings.
Intervention effect Light caused apogeotropism in Zamia seedlings.
Intervention effect Light inhibited primary and secondary root elongation.
Intervention effect Light inhibited secondary root production.
Observation Apogeotropism was more frequent at low light intensities.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Apogeotropism was more frequent at low light intensities.

Taxon: Zamia pumila L.Zamia pumilat0
Treatment: low light intensitiese0
Outcome: Apogeotropisme0
Direction: more frequente0

Verbatim

e0
“Apogeotropism was more frequent at low light intensities”
✓ located verbatim in the source · abstract, characters 351–407

t0
“Zamia pumila L.”
✓ located verbatim in the source · title, characters 66–81

Title

Effects of Light on Root Growth, Nodulation, and Apogeotropism of Zamia pumila L. Seedlings in Sterile Culture

David Webb American Journal of Botany 1982. doi:10.2307/2443017

Other claims from this paper (5)

Intervention effect Light caused secondary root nodulation in Zamia seedlings.
Intervention effect Light caused apogeotropism in Zamia seedlings.
Intervention effect Light inhibited primary and secondary root elongation.
Intervention effect Light inhibited secondary root production.
Observation Light-induced growth inhibition and nodulation were greatest at high light intensities.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Rhizomes were longer without shade than under lower light intensities.

Taxon: LingonberriesVaccinium vitis-idaeae1
Treatment: without shadee0
Outcome: Rhizomese0
Direction: longere0
Comparator: lower light intensitiese0
Setting: Fairbanks, Alaskae1

Verbatim

e0
“Rhizomes were longer without shade than under lower light intensities.”
✓ located verbatim in the source · abstract, characters 486–556

e1
“Lingonberries were grown in Fairbanks, Alaska”
✓ located verbatim in the source · abstract, characters 0–45

Title

EFFECTS OF LIGHT INTENSITY ON VEGETATIVE GROWTH OF LINGONBERRIES

PATRICIA S. HOLLOWAY; ROBERT M. VAN VELDHUIZEN; CECIL STUSHNOFF; et al. Canadian Journal of Plant Science 1982. doi:10.4141/cjps82-142

Other claims from this paper (4)

Intervention effect After three growing seasons, unshaded lingonberries produced the greatest number of stems and dry weight per plant.
Intervention effect Leaf size and leaves per stem did not differ among shade treatments.
Intervention effect Leafy rhizome branches were longer under 73% shade than under higher light intensities.
Recommendation The authors recommend full sunlight for maximum lingonberry growth and dry matter accumulation.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Low light was less effective than high light at reducing chilling sensitivity.

Treatment: Low light intensitiese0
Outcome: sensitivitye0
Direction: less effectivee0
Comparator: high light intensitiese0

Not reportedTaxon

Verbatim

e0
“Low light intensities were less effective than high light intensities in reducing sensitivity”
✓ located verbatim in the source · abstract, characters 324–417

Title

Role of Carbohydrates in Diurnal Chilling Sensitivity of Tomato Seedlings

Ann I. King; Daryl C. Joyce; Michael S. Reid PLANT PHYSIOLOGY 1988. doi:10.1104/pp.86.3.764

Other claims from this paper (10)

Intervention effect Ten minutes of light restored low temperature tolerance.
Association Length of light exposure influenced chilling sensitivity.
Intervention effect Lower prior night temperatures reduced chilling injury.
Intervention effect Light restored chilling tolerance in rootless seedlings.
Intervention effect Sucrose reduced chilling sensitivity and largely removed diurnal variation.
Intervention effect Glucose reduced chilling sensitivity and largely removed diurnal variation.
Intervention effect Fructose reduced chilling sensitivity and largely removed diurnal variation.
Association Carbohydrate content correlated with chilling sensitivity.
Observation Starch and sugar content fell during darkness.
Observation Sugar concentrations increased within 15 minutes after light began.

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.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

More pistillate flowers reached anthesis under the two highest light intensities.

Taxon: cucumberCucumis sativust0
Treatment: highest 2 light intensitiese0
Outcome: pistillate flowers reached anthesise0
Direction: moree0

Not reportedComparator

Verbatim

e0
“more pistillate flowers reached anthesis under the highest 2 light intensities”
✓ located verbatim in the source · abstract, characters 319–397

t0
“cucumber”
✓ located after whitespace/quote normalisation · title, characters 32–40

Title

Alteration of Sex Expression in Cucumber Due to Changes in Temperature, Light Intensity, and Photoperiod1

Daniel J. Cantliffe Journal of the American Society for Horticultural Science 1981. doi:10.21273/jashs.106.2.133

Other claims from this paper (9)

Intervention effect More staminate flowers occurred at 17,200 lux than the listed other light intensities.
Observation MSU 713-5 produced no staminate flowers across light intensities.
Observation Gynoecious hybrids produced staminate flowers across light intensities.
Intervention effect Photoperiod length had no influence on sex expression.
Intervention effect End of period red and tarred light exposure had no influence on sex expression.
Observation Few staminate flowers were produced at constant 16° or 22°C.
Observation All lines and cultivars produced staminate flowers at 30°.
Observation Pistillate flowers reaching anthesis were greatest at 26° or 30°.
Observation Temperature influenced sex expression more than light or photoperiod.

“light intensities”

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