Search claims · PlantClaims

X. strumarium 1

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Syringopeptins markedly decreased photosynthesis rate in Xanthium strumarium leaves.

Taxon: X. strumariumXanthium strumariume0
Treatment: SPse0
Outcome: rate of photosynthesise0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“A marked decrease in the rate of photosynthesis recorded in X. strumarium leaves treated with SPs”
✓ located verbatim in the source · abstract, characters 900–997

Title

Syringopeptins, Pseudomonas syringae pv. syringae phytotoxins, resemble syringomycin in closing stomata

D. DI GIORGIO; L. CAMONI; K. A. MOTT; et al. Plant Pathology 1996. doi:10.1046/j.1365-3059.1996.d01-153.x

Other claims from this paper (4)

Intervention effect Syringopeptins promoted stomatal closure in Xanthium strumarium leaves.
Intervention effect Syringopeptins promoted stomatal closure in Vicia faba epidermal strips.
Intervention effect Syringopeptins were at least tenfold more efficient than syringomycin in both tissues.
Intervention effect Fusicoccin did not reverse toxin-induced stomatal closure in epidermal strips.

Xanthoceras sorbifolium 1

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Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Root and stem elongation were acutely sensitive to low salinity at 80 mM NaCl

Taxon: Xanthoceras SorbifoliumXanthoceras sorbifoliumt0
Treatment: low salinity (80 mM NaCl)e1
Outcome: root/stem elongatione1
Direction: decreaseinferrede1

Verbatim

t0
“Integrated Assessment of Photosynthesis, Chlorophyll Fluorescence, and Leaf Anatomy to Evaluate the Adaptive Range of Xanthoceras Sorbifolium Bunge to Salt Stress”
✓ located verbatim in the source · title, characters 0–162

e1
“root/stem elongation showing acute sensitivity to low salinity (80 mM NaCl)”
✓ located verbatim in the source · abstract, characters 516–591

Title

Integrated Assessment of Photosynthesis, Chlorophyll Fluorescence, and Leaf Anatomy to Evaluate the Adaptive Range of Xanthoceras Sorbifolium Bunge to Salt Stress

J. W. Zong; C. C. Shan; Y. Jing; et al. Russian Journal of Plant Physiology 2025. doi:10.1134/s1021443725604173

Other claims from this paper (17)

Association Salinity produced a dose-dependent inhibition of biomass
Association Photosynthetic pigment degradation of Chl a reached 58.2% at 80–160 mM NaCl
Association Photosynthetic pigment degradation of Chl b reached 65.8% at 80–160 mM NaCl
Association Chloroplast dysfunction intensified at 80–160 mM NaCl
Association NPQ-mediated photoprotection persisted at up to 160 mM NaCl
Association NPQ-mediated photoprotection collapsed at 320 mM NaCl
Association Fv/Fm reduced below 0.6 at 320 mM NaCl
Association Y(NO) surged by 137.7% at 320 mM NaCl
Mechanism Gas exchange shifts implicate stomatal limitation at up to 160 mM NaCl
Mechanism Gas exchange shifts to non-stomatal constraints at 240 mM NaCl and above
Observation CO2 response curves were altered in the stomatal and non-stomatal salinity responses
Association Low salinity at 80 mM NaCl induced palisade tissue thickening of 21.9%
Association Low salinity at 80 mM NaCl induced epidermal reinforcement
Association NaCl at 160 mM and above caused spongy tissue atrophy of 32.6%
Observation The 80–160 mM NaCl range is the critical range for photosynthetic maintenance
Mechanism 240 mM NaCl triggers systemic collapse through Rubisco inactivation
Mechanism 320 mM NaCl induces mortality via photorespiration failure and energy dissipation breakdown

yambean 1

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Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

With adequate water, warmer and drier air increased stomatal conductance and photosynthesis in yambean.

Taxon: yambeane0
Treatment: increase in air temperature and decrease in air humiditye0
Outcome: stomatal conductance (gs) and net photosynthetic rate (PN)e0
Direction: increasede0
Setting: Under sufficient water supplye0

Verbatim

e0
“Under sufficient water supply, the increase in air temperature and decrease in air humidity increased stomatal conductance (gs) and net photosynthetic rate (PN) in yambean”
✓ located verbatim in the source · abstract, characters 335–506

Title

Leaf Gas Exchange of Pachyrhizus ahipa and P. erosus Under Water and Temperature Stress

E.O. Leidi Photosynthetica 2002. doi:10.1023/a:1022622924446

Other claims from this paper (10)

Observation Ahipa and yambean differed in leaf traits and paraheliotropism.
Association With adequate water, warmer and drier air reduced stomatal conductance and photosynthesis in ahipa.
Observation In drying soil, interspecies gas-exchange differences occurred only in early morning.
Observation Yambean was more sensitive to restricted water than ahipa.
Association High conductance at low humidity increased photosynthesis in P. erosus.
Observation High conductance at low humidity lowered water-use efficiency.
Observation Long-term water-use efficiency varied little between species.
Observation Daily-irrigated greenhouse plants did not differ significantly in gas exchange.
Observation Yambean leaf temperature was significantly higher than ahipa.
Observation The relation of transpiration to photosynthesis and conductance was steeper in ahipa.

yellow cedar (Chamaecyparis nootkatensis D. Don) 1

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Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

yellow cedar (Chamaecyparis nootkatensis D. Don) showed decrease net photosynthesis after mefluidide treatment.

Taxon: yellow cedar (Chamaecyparis nootkatensis D. Don)Callitropsis nootkatensist0
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
“yellow cedar (Chamaecyparis nootkatensis D. Don)”
✓ located verbatim in the source · abstract, characters 156–204

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)

Intervention effect western red cedar (Thuja plicata Donn) showed decreased Stomatal conductance after mefluidide treatment.
Intervention effect western red cedar (Thuja plicata Donn) showed higher shoot water potentials after mefluidide treatment.
Intervention effect western red cedar (Thuja plicata Donn) showed decrease net photosynthesis after mefluidide treatment.
Intervention effect western red cedar (Thuja plicata Donn) showed accumulation abscisic acid after mefluidide treatment.
Intervention effect western red cedar (Thuja plicata Donn) showed highest rates of photosynthesis after mefluidide treatment.
Intervention effect yellow cedar (Chamaecyparis nootkatensis D. Don) showed decreased Stomatal conductance after mefluidide treatment.
Intervention effect yellow cedar (Chamaecyparis nootkatensis D. Don) showed higher shoot water potentials after mefluidide treatment.
Intervention effect yellow cedar (Chamaecyparis nootkatensis D. Don) showed accumulation abscisic acid after mefluidide treatment.
Intervention effect yellow cedar (Chamaecyparis nootkatensis D. Don) showed highest rates of photosynthesis after mefluidide treatment.
Intervention effect white spruce (Picea glauca (Moench) Voss) showed decreased Stomatal conductance after mefluidide treatment.
Intervention effect white spruce (Picea glauca (Moench) Voss) showed higher shoot water potentials after mefluidide treatment.
Intervention effect white spruce (Picea glauca (Moench) Voss) showed decrease net photosynthesis after mefluidide treatment.
Intervention effect white spruce (Picea glauca (Moench) Voss) showed accumulation abscisic acid after mefluidide treatment.
Intervention effect white spruce (Picea glauca (Moench) Voss) showed highest rates of photosynthesis after mefluidide treatment.

Z. jujuba 1

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Associationobservedoriginal resultmeasured

Claim · model-written summary

Z. jujuba WUE increased as air temperature rose.

Taxon: Z. jujubaZiziphus jujubae0
Outcome: WUEe1
Direction: increasede0
Setting: air temperaturee1

Verbatim

e0
“that of Z. jujuba increased”
✓ located verbatim in the source · abstract, characters 1076–1103

t0
“Seasonal Variation and Correlation with Environmental Factors of Photosynthesis and Water Use Efficiency of Juglans regia and Ziziphus jujuba”
✓ located verbatim in the source · title, characters 0–141

e1
“WUE of J. regia would decrease with the rise of the air temperature while that of Z. jujuba increased”
✓ located verbatim in the source · abstract, characters 1002–1103

Title

Seasonal Variation and Correlation with Environmental Factors of Photosynthesis and Water Use Efficiency of Juglans regia and Ziziphus jujuba

Hai‐Bo Yang; Shu‐Qing An; Osbert‐Jianxin Sun; et al. Journal of Integrative Plant Biology 2008. doi:10.1111/j.1744-7909.2007.00391.x

Other claims from this paper (9)

Observation J. regia A(max) peaked in the late season.
Observation Z. jujuba A(max) peaked in mid-season.
Association Relative humidity affected J. regia A(max) more.
Association Air temperature affected Z. jujuba A(max) more.
Association J. regia LSP and LCP correlated more highly with humidity.
Association Z. jujuba LSP and LCP correlated more highly with air temperature.
Association J. regia V(cmax) was negatively correlated with atmospheric humidity.
Association Z. jujuba V(cmax) was negatively correlated with atmospheric humidity.
Association J. regia WUE decreased as air temperature rose.

Z. latifolia 1

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Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Authors attributed reduced growth under phosphorus deficiency to reduced photosynthesis.

Taxon: Z. latifoliaZizania latifoliae0
Outcome: decrease in growthe0
Qualifier: lowered photosynthetic ratee0

Verbatim

t0
“Zizania latifolia”
✓ located verbatim in the source · title, characters 58–75

e0
“the decrease in growth of P-deficient Z. latifolia plants could be attributed to the lowered photosynthetic rate.”
✓ located verbatim in the source · abstract, characters 1396–1509

Title

Changes in plant growth and photosynthetic performance of Zizania latifolia exposed to different phosphorus concentrations under hydroponic condition

N. Yan; Y. L. Zhang; H. M. Xue; et al. Photosynthetica 2015. doi:10.1007/s11099-015-0149-7

Other claims from this paper (13)

Intervention effect Net photosynthesis was highest at 0.64 mM orthophosphate.
Intervention effect Leaf organic phosphorus content was maximal at 0.64 mM orthophosphate.
Intervention effect Low phosphorus inhibited height, leaf and tiller growth and fresh mass.
Intervention effect At 0.16 mM phosphorus, root growth was not hindered.
Intervention effect Low phosphorus increased root:shoot ratio.
Intervention effect Low phosphorus significantly reduced chlorophyll content and net photosynthesis.
Intervention effect Low phosphorus significantly reduced stomatal conductance and transpiration.
Intervention effect Low phosphorus raised intercellular CO2 concentration.
Intervention effect Low phosphorus significantly reduced maximum Rubisco carboxylation and ribulose-1,5-bisphosphate regeneration rates.
Intervention effect Low phosphorus significantly reduced effective PSII yield, photochemical quenching and electron transport.
Intervention effect Low phosphorus increased nonphotochemical quenching.
Intervention effect Low phosphorus did not significantly affect maximal PSII quantum yield.
Intervention effect High phosphorus slightly decreased gas-exchange parameters.

Z. mays 1

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Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

TCA inhibited photosynthesis in Zea mays, with an 85% decrease at the highest TCA level supplied.

Taxon: Z. maysZea mayse0
Treatment: TCAe0
Outcome: Photosynthetic inhibitione0
Direction: decreasee0
Value: 85%e0
Qualifier: highest level of TCA suppliede0

Not reportedComparator

Verbatim

e0
“Photosynthetic inhibition by TCA was observed in both species, this being greater at the highest level of TCA supplied in Z. mays (85% decrease)”
✓ located verbatim in the source · abstract, characters 737–881

Title

Constraints on photosynthesis of C3 and C4 crop plants by trichloroacetic acid, an atmogenically generated pollutant

A.J. Strauss; G.H.J. Krüger; P.D.R. van Heerden; et al. South African Journal of Botany 2004. doi:10.1016/s0254-6299(15)30176-9

Other claims from this paper (8)

Z. serrata 1

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Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Lower daytime assimilation and higher nighttime respiration during the dry season explain a 43% decrease in carbon assimilation in Z. serrata plantations.

Taxon: Z. serrataZelkova serratae2
Outcome: carbon assimilatione2
Value: 43%e2
Qualifier: Lower daytime assimilation and higher nighttime respiration during the dry seasone2

Verbatim

e2
“Lower daytime assimilation and higher nighttime respiration during the dry season, which caused a 43% decrease in carbon assimilation in Z. serrata plantations”
✓ located verbatim in the source · abstract, characters 706–865

Title

Seasonal Photosynthesis and Carbon Assimilation of Dynamics in a Zelkova serrata (Thunb.) Makino Plantation

Chung-I Chen; Ya-Nan Wang; Heng-Hsun Lin; et al. Forests 2021. doi:10.3390/f12040467

Other claims from this paper (7)

Zea 1

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Mechanismobservedoriginal resultnegativemeasured

Claim · model-written summary

Late planting restricted vegetative growth and reduced photosynthesis, grain carbohydrate accumulation and final yield in the late maturing variety.

Taxon: ZeaZeat0
Treatment: late plantinge0
Outcome: decrease in yielde0
Qualifier: shorter day length restricts vegetative growth and lower temperature during ripening period degresses photosynthesis and accumulation of cabohydrate in grainse0

Verbatim

e0
“In late planting, however shorter day length restricts vegetative growth and lower temperature during ripening period degresses photosynthesis and accumulation of cabohydrate in grains, and these bring decrease in yield finally.”
✓ located verbatim in the source · abstract, characters 2227–2455

t0
“Zea”
✓ located verbatim in the source · title, characters 51–54

Title

The Effect of Different Planting Date on Growth of Zea : II. On growth and grain yield under normal spacing.

keishi URANO; Susumu SAKAGUCHI Japanese Journal of Crop Science 1965. doi:10.1626/jcs.33.450

Other claims from this paper (14)

Intervention effect Somewhat late planting gave the early maturing variety more grain yield than other planting times.
Intervention effect Earlier planting gave the late maturing variety more grain yield than late planting.
Intervention effect Earlier planting gave early maturing plants less dry matter weight than somewhat late planting throughout growth.
Intervention effect Early planting increased dry matter accumulation of the late maturing variety in early growth relative to later planting.
Intervention effect Before silking, early and later planted plants had similar increases in dry matter weight.
Intervention effect After silking, early planted plants gained dry matter weight faster than later planted plants.
Observation Nitrogen and carbohydrate content followed a pattern similar to dry matter weight across growth.
Observation The early maturing variety was insensitive to day length.
Observation The early maturing variety differentiated tassel primordia under long days after basic vegetative growth.
Intervention effect Early planting yielded less carbohydrate accumulation in grains.
Intervention effect Late planting reduced growth and yield of the early maturing variety.
Observation The late maturing variety was sensitive to day length.
Observation In the late maturing variety, tassel primordia did not differentiate until day length shortened.
Intervention effect Earlier sowing gave better grain yield.

Zea mays or Panicum miliaceum 1

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Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

DCDP inhibited PEP carboxylase from Zea mays or Panicum miliaceum, with 50% inhibition at 70 or 350 micromolar

Taxon: Zea mays or Panicum miliaceumPanicum miliaceumZea mayse1
Treatment: DCDPe1
Outcome: PEP carboxylasee1
Direction: decreaseinferrede1
Value: 70 or 350 micromolare1
Qualifier: in the presence of 1 millimolar PEP and 1 millimolar HCO(3) (-)e1

Not reportedComparator

Verbatim

e1
“DCDP is an effective inhibitor of PEP carboxylase from Zea mays or Panicum miliaceum; 50% inhibition was obtained at 70 or 350 micromolar, respectively, in the presence of 1 millimolar PEP and 1 millimolar HCO(3) (-)”
✓ located verbatim in the source · abstract, characters 222–438

Title

Effects of the Phosphoenolpyruvate Carboxylase Inhibitor 3,3-Dichloro-2-(Dihydroxyphosphinoylmethyl)propenoate on Photosynthesis

Colin L. D. Jenkins PLANT PHYSIOLOGY 1989. doi:10.1104/pp.89.4.1231

Other claims from this paper (4)

Intervention effect DCDP at 1 millimolar strongly inhibited photosynthesis of C4 species, by 79-98%
Intervention effect DCDP at 1 millimolar only moderately inhibited photosynthesis of C3 species, by 12-46%
Intervention effect DCDP lowered carboxylation efficiency and CO2 saturated rate of P. miliaceum net photosynthesis
Intervention effect A fivefold rise in intercellular pCO2 raised net photosynthesis of DCDP-treated P. miliaceum only to about 5% of the uninhibited rate

“decrease of the photosynthesis”

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X. strumarium 1

Xanthoceras sorbifolium 1

yambean 1

yellow cedar (Chamaecyparis nootkatensis D. Don) 1

Z. jujuba 1

Z. latifolia 1

Z. mays 1

Z. serrata 1

Zea 1

Zea mays or Panicum miliaceum 1