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.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Sassafras photosynthesizes efficiently at low light intensities.

Taxon: SassafrasSassafrase1
Treatment: low light intensitiese1
Outcome: photosynthesizes efficientlye1

Verbatim

e1
“Sassafras photosynthesizes efficiently under high plant water stress and at low light intensities”
✓ located verbatim in the source · abstract, characters 196–293

Title

Photosynthetic and Respiratory Rates of Sassafras albidum

F. A. Bazzaz; Valerie Paape; W. R. Boggess Forest Science 1972. doi:10.1093/forestscience/18.3.218

Other claims from this paper (2)

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)

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

High light intensities were required regardless of daylength.

Taxon: GladiolusGladiolust0
Outcome: high light intensities, independent of daylength, are requirede0

Verbatim

e0
“high light intensities, independent of daylength, are required”
✓ located verbatim in the source · abstract, characters 178–240

t0
“Gladiolus”
✓ located verbatim in the source · title, characters 93–102

Title

Participation of Light and Temperature Fluctuations in the Induction of Contractile Roots of Gladiolus

B. Jacoby; A. H. Halevy Botanical Gazette 1970. doi:10.1086/336514

Other claims from this paper (3)

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.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

The studied light intensities did not influence solanine synthesis.

Taxon: POTATOSolanum tuberosumt0
Treatment: light intensities studiede0
Outcome: solanine synthesise0
Direction: not influencede0

Not reportedComparator

Verbatim

t0
“POTATO TUBERS”
✓ located verbatim in the source · title, characters 42–55

e0
“The solanine synthesis was not influenced by the light intensities studied”
✓ located verbatim in the source · abstract, characters 710–784

Title

METABOLISM OF SOLANINE AND CHLOROPHYLL IN POTATO TUBERS AS AFFECTED BY LIGHT AND SPECIFIC CHEMICALS

B. C. PATIL; O. K. SALUNKHE; B SINGH Journal of Food Science 1971. doi:10.1111/j.1365-2621.1971.tb06391.x

Other claims from this paper (11)

Observation Bounty, Kennebec, Norchip and Red Lasoda tubers were most sensitive to greening and solanine development under the stated light exposure.
Observation LaChipper and Platte tubers resisted light effects.
Association Chlorophyll synthesis was inversely associated with tuber specific gravity.
Association Tuber specific gravity did not affect solanine synthesis.
Intervention effect Tuber chlorophyll content at 50 and 200 ft-c was lower than at 100 and 150 ft-c.
Intervention effect Ethrel inhibited chlorophyll formation and was more effective at it.
Intervention effect Ethrel inhibited solanine formation.
Intervention effect Alar inhibited chlorophyll formation.
Intervention effect Alar was most effective at preventing solanine formation.
Intervention effect Maleic hydrazide MH-30 was ineffective against chlorophyll and solanine formation.
Intervention effect Cyocel was ineffective against chlorophyll and solanine formation.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Lower light intensities changed the character of stomatal frequency gradients.

Taxon: Iris hollandicaIris ×hollandicae0
Treatment: lower light intensitiese1
Outcome: character of gradientse1
Direction: changede1

Not reportedComparator

Verbatim

e0
“Iris hollandica”
✓ located verbatim in the source · abstract, characters 42–57

e1
“The character of gradients was changed at lower light intensities.”
✓ located verbatim in the source · abstract, characters 575–641

Title

The effect of light intensity on stomatal frequency in leaves ofIris hollandica hort., var. wedgwood

J. Pazourek Biologia Plantarum 1970. doi:10.1007/bf02920869

Other claims from this paper (6)

Intervention effect Stomatal frequency decreased under lower light intensity.
Observation Stomatal frequency increased across successive leaves to the third or fourth leaf, then decreased up to the highest leaf.
Observation Total stomata per leaf varied among successive leaves of a shoot and among plants grown under different light intensities.
Association Leaves with higher stomatal frequency showed the largest response to light intensity.
Association Gradients within individual leaves depended on leaf insertion.
Intervention effect Light intensity influenced the shape and slope of leaf gradients.

Observationobservedoriginal resultmeasured

Claim · model-written summary

At low light intensities only the 15 °C leaf-blade peak was evident.

Taxon: Marquis wheatt0
Outcome: 15 °C peake0
Qualifier: low light intensitiese0

Not reportedDirection

Verbatim

e0
“the 15 °C peak was the only one evident at low light intensities”
✓ located verbatim in the source · abstract, characters 1063–1127

t0
“Marquis wheat”
✓ located verbatim in the source · title, characters 19–32

Title

Growth kinetics of Marquis wheat. IV. Temperature dependence

F. D. H. Macdowall Canadian Journal of Botany 1973. doi:10.1139/b73-091

Other claims from this paper (15)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Cistus seedlings required high light intensities experimentally.

Taxon: CistusCistuse0
Organ / stage: seedlingse0
Outcome: need of Cistus seedlings for high light intensitiese0

Verbatim

e0
“The need of Cistus seedlings for high light intensities was established experimentally.”
✓ located verbatim in the source · abstract, characters 888–975

Title

Long‐Term Responses of Cistus and Certain Other Introduced Shrubs on Disturbed Wildland Sites in Southern California

M. C. Juhren; Kenneth R. Montgomery Ecology 1977. doi:10.2307/1935114

Other claims from this paper (14)

Observation Three Cistus species were satisfactory on most sites for 3 to 5 years.
Observation Cistus stands persisted for at least 10 years on several sites.
Observation Atriplex, Rosmarinus, and Baccharis plantings generally declined and did not reproduce.
Association Cistus stand life depended on winter rain sufficiency and timing.
Association Cistus declined and failed to reproduce when overtopped by tall chaparral.
Observation Cistus grew compatibly with invading low growing native species.
Observation Cistus seedlings competed successfully with forbs and weeds.
Observation Cistus seedlings did not survive in thick grass.
Observation Cistus spread aggressively over level areas with thin cover.
Observation Cistus bushes became woody and senescent around 12 years on the hottest dry inland sites.
Recommendation Management was recommended to reduce fire fuel load and stimulate new Cistus growth.
Observation The cold tolerance limit of C. villosus was established at 1,790 m.
Observation The heat and drought tolerance limit of C. laurifolius was established at 930 m.
Observation C. laurifolius thrived at temperatures far below those of a Mediterranean climate.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

High posttreatment light intensity caused greater photosynthesis inhibition than low intensity.

Taxon: sugarbeetBeta vulgaris subsp. vulgarise1
Treatment: High posttreatment light intensitiese0
Outcome: inhibition of photosynthesise0
Direction: greatere0
Comparator: low light intensitiese0

Verbatim

e0
“High posttreatment light intensities caused greater inhibition of photosynthesis than low light intensities.”
✓ located verbatim in the source · abstract, characters 682–790

e1
“sugarbeet plants”
✓ located verbatim in the source · abstract, characters 258–274

Title

Phytotoxic Action of Desmedipham: Influence of Temperature and Light Intensity

Gabor Bethlenfalvay; R. F. Norris Weed Science 1975. doi:10.1017/s0043174500065097

Other claims from this paper (5)

Intervention effect Desmedipham growth and photosynthesis inhibition in sugarbeet was most severe at 25 to 30 C.
Intervention effect Moving treated sugarbeet to higher temperatures increased injury and photosynthetic inhibition.
Intervention effect Higher temperatures before treatment reduced sugarbeet injury across posttreatment temperatures.
Intervention effect Changing temperature from 25 to 40 C caused the most severe inhibition immediately after treatment.
Intervention effect The same temperature change caused no additional injury two days after treatment.

“light intensities”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics