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“magnitude of decrease”

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2010 ’20

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Organism: Lathyrus oleraceus ✕

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cadmium decreased the I2 step magnitude in delayed fluorescence kinetics.

Taxon: Pisum sativumLathyrus oleraceuse1
Treatment: cadmium (20 μ m CdSO 4 for 48 h)e0
Outcome: magnitude of the I 2 step on the DF kineticse0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Low‐dose exposure to cadmium (20 μ m CdSO 4 for 48 h) reduced probability of electron transfer from plastoquinones to the terminal electron acceptors of PSI ( δ Ro ) accompanied by a decrease in the rate of P 700 + and PC reduction ( V red ) and the magnitude of the I 2 step on the DF kinetics”
✓ located verbatim in the source · abstract, characters 471–765

e1
“in vivo in Pisum sativum”
✓ located verbatim in the source · abstract, characters 106–130

Title

Multiple in vivo Effects of Cadmium on Photosynthetic Electron Transport in Pea Plants

Daria Todorenko; Alena Volgusheva; Nyurgun Timofeev; et al. Photochemistry and Photobiology 2021. doi:10.1111/php.13469

Other claims from this paper (5)

Intervention effect Cadmium reduced electron transfer probability from plastoquinones to terminal PSI acceptors.
Intervention effect Cadmium decreased the rate of P700+ and PC reduction.
Intervention effect Electron transport through PSI remained unchanged under cadmium exposure.
Observation The authors proposed a possible cadmium inhibition site between PSII and PSI.
Method / resource The authors proposed δRo, Vred and I2/I1 as indicators of early heavy-metal contamination.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Fluoranthene at 1 mg/L decreased pea seed germination (93% germination).

Taxon: peaLathyrus oleraceuse2
Treatment: 1 mg/Le2
Outcome: germinatione2
Direction: decreasee2
Value: 93%e2

Not reportedComparator

Verbatim

e2
“in pea the significant decrease in germination was found in two orders of magnitude higher FLT concentration (1 mg/L; 93% germination)”
✓ located verbatim in the source · abstract, characters 421–555

Title

Early stages of plant ontogenesis in the environment treated byorganic pollutant

Marie Kummerová; Lucie Váňová; Štěpán Zezulka; et al. 2011

Other claims from this paper (8)

Intervention effect Fluoranthene at 0.01 mg/L significantly lowered maize seed germination (91% germination).
Intervention effect Fluoranthene at 7 mg/L produced the largest decrease in maize seed germination (78% germination).
Intervention effect Fluoranthene at 7 mg/L produced the largest decrease in pea seed germination (90% germination).
Intervention effect Increasing fluoranthene treatment increased the inhibition of root and shoot length and dry weight in maize.
Intervention effect Increasing fluoranthene treatment increased the inhibition of root and shoot length and dry weight in pea.
Intervention effect Low fluoranthene concentration produced higher ethylene production in maize seeds.
Intervention effect Low fluoranthene concentration produced higher ethylene production in pea seeds.
Intervention effect Production of ethylene and ethane increased with increasing fluoranthene treatment in pea and maize.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

ABA decreased photosynthetic responses associated with variation potentials in peas.

Taxon: peasLathyrus oleraceust0
Treatment: ABA treatmente1
Outcome: magnitude of photosynthetic responsese0
Direction: decreasede2

Not reportedComparator

Verbatim

e0
“the magnitude of photosynthetic responses relating to these signals”
✓ located verbatim in the source · abstract, characters 1154–1221

t0
“Peas”
✓ located verbatim in the source · title, characters 66–70

e1
“The ABA treatment of seedlings was performed”
✓ located verbatim in the source · abstract, characters 586–630

e2
“and decreased the photosynthetic CO2 assimilation”
✓ located verbatim in the source · abstract, characters 1023–1072

Title

Exogenous Abscisic Acid Can Influence Photosynthetic Processes in Peas through a Decrease in Activity of H+-ATP-ase in the Plasma Membrane

Lyubov Yudina; Ekaterina Sukhova; Oksana Sherstneva; et al. Biology 2020. doi:10.3390/biology9100324

Other claims from this paper (6)

Intervention effect ABA stimulated cyclic electron flow around photosystem I in peas.
Intervention effect ABA decreased photosynthetic CO2 assimilation in peas.
Intervention effect ABA decreased the amplitude of burning-induced variation potentials in peas.
Intervention effect Exogenous ABA increased heat tolerance of photosynthesis in peas.
Intervention effect ABA decreased plasma membrane H+-ATP-ase activity in peas.
Mechanism Inhibitor analysis suggested that reduced plasma membrane H+-ATP-ase activity may mediate ABA effects on photosynthesis, heat tolerance, and electrical-signal regulation in peas.

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