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Mechanismobservedoriginal resultnegativemeasured

Claim · model-written summary

Changes in photosynthesis, respiration and triose-P utilization explain the biomass decrease.

Taxon
Lotus japonicusLotus japonicust0
Outcome
decrease in plant biomasse0
Qualifier
Changes in photosynthesis, respiration and triose-P utilizatione0

Verbatim

e0

“Changes in photosynthesis, respiration and triose-P utilization explain the decrease in plant biomass”

✓ located verbatim in the source · abstract, characters 1211–1312
t0

“Lotus japonicus”

✓ located verbatim in the source · title, characters 66–81

Title

The effects of limiting phosphate on photosynthesis and growth of Lotus japonicus

Rochelle Thuynsma; Aleysia Kleinert; Jens Kossmann; et al. South African Journal of Botany 2016. doi:10.1016/j.sajb.2016.03.001

Other claims from this paper (8)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Photosynthesis tended to decrease under N deficiency but contributed little to reduced carbon gain.

Taxon
grapevineVitist0
Treatment
N deficiencye0
Outcome
photosynthesis ratee0
Direction
decreasee0

Verbatim

e0

“photosynthesis rate tended to decrease under N deficiency over the season, it only poorly contributed to the reduction in C gain”

✓ located verbatim in the source · abstract, characters 2580–2708
t0

“grapevine”

✓ located verbatim in the source · title, characters 21–30

Title

Gradual responses of grapevine yield components and carbon status to nitrogen supply

Sylvain Vrignon-Brenas; Metay Aurélie; Leporatti Romain; et al. OENO One 2019. doi:10.20870/oeno-one.2019.53.2.2431

Other claims from this paper (13)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Photosynthesis decrease under elevated CO2 was associated with lower leaf Rubisco.

Gene
Rubiscoe0
Outcome
decrease of photosynthesise0
Direction
decreasee0
Qualifier
elevated [CO2]e0

Verbatim

e0

“The decrease of photosynthesis by elevated [CO2] of plants was associated with decreased leaf Rubisco content and N content.”

✓ located verbatim in the source · abstract, characters 804–928
e1

“rice (Oryza sativa L.)”

✓ located verbatim in the source · abstract, characters 195–217

Title

Effect of panicle removal on photosynthetic acclimation under elevated CO2 in rice

H. Shimono; K. Suzuki; K. Aoki; et al. Photosynthetica 2010. doi:10.1007/s11099-010-0070-z

Other claims from this paper (7)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Waterlogging response: photosynthesis intensity decrease.

Treatment
stresse0
Outcome
photosynthesis intensitye0
Direction
decreasee0

Not reportedComparator

Verbatim

e0

“The decrease in photosynthesis intensity was noticed in the case of stressed plants”

✓ located verbatim in the source · abstract, characters 1100–1183
t0

“Tomato”

✓ located verbatim in the source · title, characters 103–109

Title

Physiological Changes and PP2A-C Expression Modulated by Waterlogging Conditions Are Organ-Specific in Tomato Seedlings

Anna Kołton; Monika A. Czaja; Maria T. Creighton; et al. Agronomy 2025. doi:10.3390/agronomy15030507

Other claims from this paper (5)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Under limited water, photosynthesis and stomatal conductance tended to decrease in the Egyptian parent.

Material
Egyptian parente0
Treatment
limited water conditione0
Outcome
photosynthesis and stomatal conductancee0
Direction
decreasee0

Not reportedTaxonComparator

Verbatim

e0

“At limited water condition, photosynthesis and stomatal conductance tended to decrease in Egyptian parent”

✓ located verbatim in the source · abstract, characters 372–477

Title

Influence of drought stress on physiological traits of crossed okra varieties

Zainab Ahmed; Magdi El-Sayed; T Aaron; et al. Jordan Journal of Biological Sciences 2021. doi:10.54319/jjbs/140208

Other claims from this paper (12)
Mechanismauthor interpretationreview summarynegativebasis n/a

Claim · model-written summary

Leaf rust defoliation can decrease photosynthesis.

Taxon
southern highbush blueberriese1
Outcome
photosynthesise0
Direction
decreasee0
Qualifier
defoliatione0

Verbatim

e0

“Severe leaf rust causes defoliation in the fall or early winter, which can decrease floral bud differentiation, photosynthesis, and the next season’s fruit yield”

✓ located verbatim in the source · abstract, characters 151–312
e1

“southern highbush blueberries”

✓ located verbatim in the source · abstract, characters 37–66

Title

Leaf Rust Disease of Southern Highbush Blueberry in Florida

Philip F. Harmon; Christ Mane Belizaire; Douglas A. Phillips EDIS 2025. doi:10.32473/edis-pp385-2025

Other claims from this paper (4)
Observationobservedreview summarynegativebasis n/a

Claim · model-written summary

Chlorophyll content and photosynthesis rate decrease as senescence progresses.

Taxon
higher plantt0
Organ / stage
leaft0
Outcome
contents of chlorophyll and the photosynthesis ratee0
Direction
decreasee0

Verbatim

e0

“With further senescence,both the contents of chlorophyll and the photosynthesis rate decrease.”

✓ located verbatim in the source · abstract, characters 131–225
t0

“Leaf senescence in higher plant”

✓ located verbatim in the source · title, characters 0–31

Title

Leaf senescence in higher plant

Gao Jun 2001

Other claims from this paper (4)
Intervention effectobservedreview summarynegativemeasured

Claim · model-written summary

SXD1-deficient plants were unable to decrease the expression of genes essential for photosynthesis.

Taxon
SXD1-deficient plantse4
Treatment
SXD1-deficiente4
Outcome
expression of genes essential for photosynthesise4
Direction
unable to decreasee4

Not reportedComparator

Verbatim

e4

“Rather, SXD1-deficient plants were unable to decrease the expression of genes essential for photosynthesis”

✓ located verbatim in the source · abstract, characters 548–654

Title

Chloroplast to Nucleus Feedback by SXD1

Science s STKE 2001. doi:10.1126/stke.2001.82.tw3

Other claims from this paper (6)
Observationobservedreview summarynegativebasis n/a

Claim · model-written summary

Stress is usually perceived in plants as a decrease in photosynthesis and growth.

Taxon
Plantt0
Treatment
stresse0
Outcome
photosynthesis and growthe0
Direction
decreasee0

Verbatim

t0

“Plant Responses to Drought, Acclimation, and Stress Tolerance”

✓ located verbatim in the source · title, characters 0–61
e0

“the effect of stress is usually perceived as a decrease in photosynthesis and growth”

✓ located verbatim in the source · abstract, characters 26–110

Title

Plant Responses to Drought, Acclimation, and Stress Tolerance

I. Yordanov; V. Velikova; T. Tsonev Photosynthetica 2000. doi:10.1023/a:1007201411474

Other claims from this paper (2)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Water stress caused a proportionally greater decrease in S. junceum leaf photosynthesis than in stem photosynthesis.

Taxon
S. junceume5
Treatment
Water stresse5
Outcome
leaf photosynthesise5
Direction
proportionally greater decreasee5
Comparator
stemse5

Verbatim

e5

“Water stress caused a proportionally greater decrease in leaf photosynthesis compared to that of stems during diurnal cycles of photosynthesis in S. junceum”

✓ located verbatim in the source · abstract, characters 710–866

Title

The Influence of Water Stress on Stem and Leaf Photosynthesis in Glycine max and Sparteum junceum (Leguminosae)

Erik T. Nilsen; Yijia Bao American Journal of Botany 1990. doi:10.2307/2444572

Other claims from this paper (7)
Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The authors attribute the initial photosynthetic decrease to stomatal closure.

Interactor
V. dahliaeVerticillium dahliaee0pathogen
Outcome
initial decrease in photosynthesise0
Qualifier
stomatal closuree0

Verbatim

e0

“the initial decrease in photosynthesis caused by V. dahliae was caused by stomatal closure”

✓ located verbatim in the source · abstract, characters 421–511
t0

“Mechanism of Photosynthesis Decrease by Verticillium dahliae in Potato”

✓ located verbatim in the source · title, characters 0–70

Title

Mechanism of Photosynthesis Decrease by Verticillium dahliae in Potato

Robert L. Bowden; Douglas I. Rouse; Thomas D. Sharkey PLANT PHYSIOLOGY 1990. doi:10.1104/pp.94.3.1048

Other claims from this paper (7)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

western red cedar (Thuja plicata Donn) showed decrease net photosynthesis after mefluidide treatment.

Taxon
western red cedar (Thuja plicata Donn)Thuja plicatat0
Treatment
mefluididee0
Outcome
net photosynthesise0
Direction
decreasee0

Not reportedComparator

Verbatim

e0

“There was a decrease in net photosynthesis that was partially caused by stomatal limitations, the severity of which depended upon the concentration of mefluidide applied.”

✓ located verbatim in the source · abstract, characters 770–940
t0

“western red cedar (Thuja plicata Donn)”

✓ located verbatim in the source · abstract, characters 116–154

Title

Mefluidide-induced drought resistance in seedlings of three conifer species

Salim N. Silim; Robert D. Guy; Denis P. Lavender Canadian Journal of Botany 1993. doi:10.1139/b93-126

Other claims from this paper (14)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Photosynthesis decrease was associated with greater water stress under whole-plant than root-only cooling.

Treatment
chill‐induced water stresse0
Outcome
decrease in photosynthesise0
Direction
associated withe0

Not reportedTaxon

Verbatim

e0

“The decrease in photosynthesis was associated with a chill‐induced water stress that was moderate to severe when the entire plant was cooled, and slight to moderate when only the roots were cooled”

✓ located verbatim in the source · abstract, characters 1110–1306

Title

Effects of Chilling on Photosynthetic Capacity, and Leaf Carbohydrate and Nitrogen Status of Soybean1

L. C. Purcell; D. A. Ashley; H. R. Boerma Crop Science 1987. doi:10.2135/cropsci1987.0011183x002700010023x

Other claims from this paper (10)
Mechanismobservedoriginal resultnegativemeasured

Claim · model-written summary

Increased mesophyll resistance explained most of the photosynthesis decrease after short high-temperature exposure.

Treatment
short exposure to high temperaturee0
Outcome
decrease in photosynthesise0
Qualifier
increase in mesophyll resistancee0

Verbatim

e0

“The decrease in photosynthesis after a short exposure to high temperature was due to an increase in mesophyll resistance and, to a lesser extent, to an increase in stomatal resistance to CO 2 diffusion.”

✓ located verbatim in the source · abstract, characters 427–629
t0

“Tomatoes”

✓ located verbatim in the source · title, characters 76–84

Title

High Temperature Effects on CO2 Gas Exchange in Heat-tolerant and Sensitive Tomatoes

A. Bar-Tsur; J. Rudich; B. Bravdo Journal of the American Society for Horticultural Science 1985. doi:10.21273/jashs.110.4.582

Other claims from this paper (7)
Mechanismhypothesisoriginal resultnegativebasis n/a

Claim · model-written summary

The decrease in non-cyclic electron transport may limit the rate of photosynthesis in senescing Phaseolus vulgaris leaves.

Taxon
Phaseolus vulgarisPhaseolus vulgarise0
Organ / stage
senescing leavese6
Outcome
rate of photosynthesise6
Qualifier
decrease in rate of non-cyclic electron transporte6

Verbatim

e0

“primary leaves of Phaseolus vulgaris”

✓ located verbatim in the source · abstract, characters 87–123
e6

“The decrease in rate of non-cyclic electron transport may be important in limiting the rate of photosynthesis in the senescing leaves”

✓ located verbatim in the source · abstract, characters 953–1086

Title

Photosynthetic Electron Transport During Senescence of the Primary Leaves ofPhaseolus vulgarisL.: I. NON-CYCLIC ELECTRON TRANSPORT

G. I. JENKINS; H. W. WOOLHOUSE Journal of Experimental Botany 1981. doi:10.1093/jxb/32.3.467

Other claims from this paper (4)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

The decrease in acetylene reduction correlated with decreases in photosynthesis and transpiration.

Taxon
SoybeanGlycine maxt0
Outcome
photosynthesis and transpiratione0
Direction
decreasese0
Comparator
the decreasee0

Verbatim

e0

“the decrease was correlated with decreases in photosynthesis and transpiration”

✓ located verbatim in the source · abstract, characters 1187–1265
t0

“Soybean”

✓ located verbatim in the source · title, characters 68–75

Title

Acetylene Reduction (Nitrogen Fixation) and Metabolic Activities of Soybean Having Various Leaf and Nodule Water Potentials

Chi-Ying Huang; John S. Boyer; Larry N. Vanderhoef PLANT PHYSIOLOGY 1975. doi:10.1104/pp.56.2.222

Other claims from this paper (12)
Associationauthor interpretationoriginal resultnegativesimulated

Claim · model-written summary

The authors suggest that factors increasing transpiration without directly affecting photosynthesis decrease photosynthesis through water stress.

Taxon
vascular plante0
Treatment
Factors increasing transpiration without directly affecting photosynthesise1
Outcome
photosynthesise1
Direction
decreasee1
Qualifier
because of the effect on water stresse1

Verbatim

e0

“Total seasonal vascular plant CO_2 uptake ranged from 400—627 g CO_2 m_G ( —2)”

✓ located verbatim in the source · abstract, characters 1191–1269
e1

“Factors increasing transpiration without directly affecting photosynthesis tend to decrease photosynthesis because of the effect on water stress”

✓ located verbatim in the source · abstract, characters 1851–1995

Title

A Model of Stand Photosynthesis for the Wet Meadow Tundra at Barrow, Alaska

Philip C. Miller; Wayne A. Stoner; Larry L. Tieszen Ecology 1976. doi:10.2307/1936428

Other claims from this paper (15)
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Relative translocation loss exceeded relative photosynthesis loss at every deficiency level.

Taxon
Sugarcanet0
Outcome
relative decrease in translocatione0
Direction
greatere0
Comparator
relative decrease in photosynthesise0

Verbatim

e0

“At all levels of deficiency, the relative decrease in translocation was greater than the relative decrease in photosynthesis”

✓ located verbatim in the source · abstract, characters 721–845
t0

“Sugarcane”

✓ located verbatim in the source · title, characters 79–88

Title

Effect of Potassium Deficiency upon Translocation of 14C in Detached Blades of Sugarcane

Constance E. Hartt PLANT PHYSIOLOGY 1970. doi:10.1104/pp.45.2.183

Other claims from this paper (10)
Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Stomatal closure initially accounted for most of the roughly 30 % photosynthesis decrease in salinized beans.

Taxon
beanse0
Outcome
photosynthesise0
Direction
reductione0
Value
∼30 %e0
Qualifier
Stomatal closuree0

Verbatim

e0

“Stomatal closure was initially responsible for most of the ∼30 % reduction in photosynthesis of salinized beans”

✓ located verbatim in the source · abstract, characters 665–776

Title

Changes in the Water Balance and Photosynthesis of Onion, Bean and Cotton Plants under Saline Conditions

J. Gale; H. C. Kohl; Robert M. Hagan Physiologia Plantarum 1967. doi:10.1111/j.1399-3054.1967.tb07181.x

Other claims from this paper (13)
Mechanismauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

Increasing respiration relative to photosynthesis partly explains declining grass production.

Taxon
grass crope2
Outcome
decreasee1
Qualifier
increase in the rate of respiration relative to photosynthesise0

Verbatim

e0

“This decrease is partly caused by an increase in the rate of respiration relative to photosynthesis.”

✓ located verbatim in the source · abstract, characters 272–372
e1

“This decrease is partly caused by an increase in the rate of respiration relative to photosynthesis.”

✓ located verbatim in the source · abstract, characters 272–372
t0

“SWARD”

✓ located verbatim in the source · title, characters 73–78
e2

“the rate of dry‐matter production of a grass crop”

✓ located verbatim in the source · abstract, characters 5–54

Title

THE PROBLEMS OF RELATING GREENHOUSE AND CONTROLLED ENVIRONMENTAL WORK TO SWARD CONDITIONS

Th. Alberda Grass and Forage Science 1965. doi:10.1111/j.1365-2494.1965.tb00394.x

Other claims from this paper (6)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Partial reduction of cotyledon photosynthesis caused a proportional decrease in primary needle expansion and in dry weight increment of red pine seedlings.

Taxon
red pinePinus resinosae0
Treatment
Partial reduction of photosynthesis by herbicides, low light intensity, or both of thesee2
Outcome
expansion of primary needles and reduction in dry weight incremente2
Direction
decreasee2
Qualifier
proportionale2

Not reportedComparator

Verbatim

e0

“The role of photosynthetically active cotyledons on development of young red pine (pinus resinosa Ait.) seedlings”

✓ located verbatim in the source · abstract, characters 0–113
e2

“Partial reduction of photosynthesis by herbicides, low light intensity, or both of these was followed by proportional decrease in expansion of primary needles and reduction in dry weight increment of seedlings”

✓ located verbatim in the source · abstract, characters 613–822

Title

The role of cotyledons in early development of pine seedlings

S. Sasaki; T. T. Kozlowski Canadian Journal of Botany 1968. doi:10.1139/b68-157

Other claims from this paper (5)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Calcium deficiency considerably decreased photosynthesis per unit dry weight.

Taxon
Chrysanthemum coronarium var. spatiosumGlebionis coronariat0
Treatment
Calcium deficiencye7
Outcome
photosynthesis per unit dry weighte7
Direction
decreasee7

Not reportedComparator

Verbatim

t0

“Chrysanthemum coronarium var. spatiosum”

✓ located verbatim in the source · title, characters 92–131
e7

“Calcium deficiency seems to give no such effect on photosynthesis per unit leaf area, but brings about a considerable decrease of photosynthesis per unit dry weight”

✓ located verbatim in the source · abstract, characters 776–940

Title

The Effects of Phosphorus and Calcium Deficiency on the Growth and Dry Matter Production in Chrysanthemum coronarium var. spatiosum in Water Culture

Yasuhiko TEZUKA Shokubutsugaku Zasshi 1959. doi:10.15281/jplantres1887.72.101

Other claims from this paper (8)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Inhibiting photosynthesis 16–7 days before heading decreased accumulated carbohydrates.

Taxon
Rice PlantOryza sativat0
Treatment
inhibiting the intensity of the photosynthesis at 16-7 days before headinge0
Outcome
accumulated carbohydratese0
Direction
decreasee0

Not reportedComparator

Verbatim

t0

“Rice Plant”

✓ located verbatim in the source · title, characters 132–142
e0

“By inhibiting the intensity of the photosynthesis at 16-7 days before heading, showing the decrease of the accumulated carbohydrates”

✓ located verbatim in the source · abstract, characters 1148–1280

Title

Studies on the Relation between Seasonal Changes of Carbohydrates Accumulated and the Ripening at the Stage of Generative Growth in Rice Plant

Yoshio SOGA; Michio NOZAKI Japanese Journal of Crop Science 1957. doi:10.1626/jcs.26.105

Other claims from this paper (14)
Mechanismhypothesisoriginal resultnegativemeasured

Claim · model-written summary

Yellowing nearly explained the decrease in net assimilation if yellowed leaf parts do not photosynthesize, although similar carbohydrate fluctuations suggest photosynthesis may be little slowed and respiration may instead increase.

Interactor
beet yellows virusBeet yellows viruse2pathogen
Outcome
decrease in N.A.R.e0
Qualifier
if yellowed parts of leaves do not photosynthesizee0

Verbatim

e0

“The yellowing almost sufficed to account for the decrease in N.A.R., if yellowed parts of leaves do not photosynthesize.”

✓ located verbatim in the source · abstract, characters 461–581
e1

“However, the similar diurnal fluctuations of carbohydrate in the laminae of healthy and infected leaves suggests that photosynthesis may not be much slowed by infection; if so, the decrease in N.A.R. indicates a large increase in respiration rate, especially of the root.”

✓ located verbatim in the source · abstract, characters 582–853
e2

“Infection with beet yellows virus depressed the dry‐matter yield of sugar‐beet plants”

✓ located verbatim in the source · abstract, characters 0–85

Title

COMPARATIVE PHYSIOLOGICAL STUDIES ON THE GROWTH OF FIELD CROPS

D. J. WATSON; MARION A. WATSON Annals of Applied Biology 1953. doi:10.1111/j.1744-7348.1953.tb02364.x

Other claims from this paper (18)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Zea mays photosynthetic CO2 assimilation fell as leaf temperature fell, reaching about 7% of the 20 °C value at 5 °C.

Taxon
Zea maysZea mayst0
Treatment
5 °Ce0
Outcome
Photosynthetic CO2 assimilation (Fc)e0
Direction
decreased markedlye0
Value
c. 7%e0
Comparator
20 °Ce0

Verbatim

e0

“Photosynthetic CO2 assimilation (Fc) decreased markedly with decrease in leaf temperature so that Fc at 5 °C was c. 7% of Fc at 20 °C.”

✓ located verbatim in the source · abstract, characters 222–356
t0

“Young Zea mays”

✓ located verbatim in the source · title, characters 37–51

Title

Chilling Damage to Photosynthesis in Young Zea mays: I. EFFECTS OF LIGHT AND TEMPERATURE VARIATION ON PHOTOSYNTHETIC CO2 ASSIMILATION

LONG, S. P.; EAST, T. M.; BAKER, N. R. HighWire Press Open Archive . doi:10.1093/jxb/34.2.177

Other claims from this paper (10)

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