Search claims · PlantClaims

Observationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Beetle boring significantly decreased needle photosynthesis.

Taxon: Pinus yunnanensisPinus yunnanensist0
Interactor: bark beetlesScolytinaee0herbivore
Outcome: photosynthesis of P.yunnanensis needlese0
Direction: decreasee0

Verbatim

e0
“both shoot and trunk bored by the bark beetles caused a significant decrease in photosynthesis of P.yunnanensis needles”
✓ located verbatim in the source · abstract, characters 665–784

t0
“Pinus yunnanensis”
✓ located verbatim in the source · title, characters 54–71

Title

Analysis on photosynthetic physiological responses of Pinus yunnanensis Franchet to bark beetles attacking in different stages.

Liang JunSheng; Xiaohong Chen; Wang Jianmin; et al. Linye kexue yanjiu 2009

Other claims from this paper (12)

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Expression of photosynthesis and carbon fixation genes significantly decreased.

Taxon: Ambrosia trifidaAmbrosia trifidat0
Treatment: Sigesbeckia glabrescens extractse1
Outcome: expression of key genes related to photosynthesis and carbon fixatione0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“a significant decrease in the expression of key genes related to photosynthesis and carbon fixation”
✓ located verbatim in the source · abstract, characters 901–1000

t0
“Ambrosia trifida”
✓ located verbatim in the source · title, characters 33–49

e1
“Sigesbeckia glabrescens extracts”
✓ located verbatim in the source · title, characters 53–85

Title

Inhibition of the invasive plant Ambrosia trifida by Sigesbeckia glabrescens extracts

Lijuan Yin; Guangzhong Zhang; Haoyu Zhao; et al. Ecotoxicology and Environmental Safety 2025. doi:10.1016/j.ecoenv.2025.117716

Other claims from this paper (9)

Intervention effect Sigesbeckia root extracts reduced Ambrosia height and biomass.
Mechanism Biomass decline may reflect disrupted carbon and nitrogen metabolism.
Intervention effect Extract exposure significantly decreased root nitrate absorption and transport gene expression.
Observation Genes involved in sucrose synthesis were downregulated.
Observation H 2 O 2 content and RbohD expression increased.
Observation Apoptotic pathway genes were significantly upregulated.
Observation Coumarin, ferulic acid and 5-ALA were identified in Sigesbeckia extracts.
Intervention effect The three allelochemicals together suppressed Ambrosia seedling growth.
Observation Chemical-treated seedlings had the same phenotypes and transcriptomes as extract-treated seedlings.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Inoculation significantly decreased photosynthesis water consumption.

Taxon: Broussonetia papyriferaBroussonetia papyriferat0
Treatment: inoculatione0
Interactor: AM funguse1symbiont
Outcome: photosynthesis-water-comsumtione0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“By inoculation,the photosynthesis-water-comsumtion decrease significantly in host plants,it indicate that the water use efficiency(WUE) improve by inoculation.”
✓ located verbatim in the source · abstract, characters 1130–1289

e1
“inoculation AM fungus”
✓ located verbatim in the source · abstract, characters 849–870

t0
“Broussonetia papyrifera”
✓ located verbatim in the source · title, characters 34–57

Title

Photosynthetic Characteristics of Broussonetia papyrifera Seedlings Inoculated AM Fungus in Limestone Soil Substratum

Yue He Zhiwu yanjiu 2008

Other claims from this paper (8)

Intervention effect AM inoculation improved host height, ground diameter and leaf area relative to no inoculation.
Intervention effect AM inoculation increased root colonization rate.
Intervention effect Net photosynthesis increased significantly with each AM inoculation treatment.
Intervention effect G.diaphanum inoculation decreased transpiration and stomatal conductance.
Intervention effect Glomus.mosseea inoculation significantly enhanced transpiration and stomatal conductance relative to no inoculation.
Intervention effect G.versiforme inoculation significantly enhanced transpiration and stomatal conductance relative to no inoculation.
Intervention effect Inoculation was interpreted to improve water use efficiency.
Intervention effect Inoculation increased Chl a and Chl b content with extreme significance.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Stem inoculation significantly reduced photosynthesis in week one.

Taxon: Austrocedrus chilensisAustrocedrus chilensist0
Treatment: stem‐inoculatede0
Interactor: Phytophthora austrocedraet0pathogen
Outcome: photosynthesis (A)e0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“stem‐inoculated saplings showed a significant decrease in photosynthesis (A) without alteration of stomatal conductance ( g s ) or stem‐specific hydraulic conductivity (Ks)”
✓ located verbatim in the source · abstract, characters 161–333

t0
“Austrocedrus chilensis by the pathogen Phytophthora austrocedrae”
✓ located verbatim in the source · title, characters 42–106

Title

Alteration of physiological parameters of Austrocedrus chilensis by the pathogen Phytophthora austrocedrae

M. L. Vélez; P. V. Silva; O. A. Troncoso; et al. Plant Pathology 2012. doi:10.1111/j.1365-3059.2011.02585.x

Other claims from this paper (14)

Intervention effect Stomatal conductance and hydraulic conductivity were unchanged in week one.
Observation Photosynthesis, stomatal conductance and hydraulic conductivity progressively declined from week two.
Observation Significant stem lesions developed from week two.
Observation Water use efficiency rose in week two.
Observation Water use efficiency declined from week three.
Observation Hyphae and resinous material occurred in tracheids and rays below lesions.
Observation Parenchyma ray cells were necrotic and tracheid tori blocked.
Observation Healthy xylem lacked resin and blockage but contained abundant ray starch.
Intervention effect Pathogen culture filtrate changed extracellular pH and conductivity.
Intervention effect Culture filtrate increased necrosis in leaf and stem tissues in vitro.
Observation In vivo inoculated leaves showed similar injury.
Intervention effect Xylem culture filtrate injection reduced photosynthesis and disturbed leaf tissue integrity.
Intervention effect Xylem culture filtrate injection did not alter conductance, water use efficiency or conductivity.
Association Photosynthetic decline correlated with tissue integrity changes.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Leafroll infection significantly decreased vine photosynthesis, especially with GLRaV 1+3 coinfection.

Taxon: grapevineVitist0
Treatment: GLRaV 1+3e0
Interactor: GLRaV 1+3e0pathogen
Outcome: photosynthesise0
Direction: decreasee0

Not reportedComparator

Verbatim

t0
“grapevine”
✓ located verbatim in the source · title, characters 10–19

e0
“Physiological measurement showed a significant decrease in photosynthesis, yield and sugar content, which were highly significant in the co-infected vines (GLRaV 1+3).”
✓ located verbatim in the source · abstract, characters 1848–2015

e1
“infections with different GLRaVs (GLRaV 1 & GLRaV 1+3)”
✓ located verbatim in the source · abstract, characters 1119–1173

Title

Impact of grapevine leafroll virus infections on vine physiology and the berry transcriptome

Markus Rienth; Sana Ghaffari; Jean-Sébastien Reynard ArODES (HES-SO (https://www.hes-so.ch/)) 2019

Other claims from this paper (7)

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Allelopathic substances released from eucalypt leaf litter significantly suppressed photosynthesis of pakchoi.

Taxon: pakchoie6
Treatment: allelopathic substances released from Eucalypt leaf littere6
Outcome: photosynthesise6
Direction: decreaseinferrede6

Not reportedComparator

Verbatim

e6
“the allelopathic substances released from Eucalypt leaf litter significantly sbupressed photosynthesis of pakchoi”
✓ located verbatim in the source · abstract, characters 1067–1180

Title

Effects of Allelopathy from the Early Decomposition of Eucalypt Leaf Litter on the Photosynthetic Characteristics of Brassica chinensis L

HU Ting-xing Sichuan Nongye Daxue xuebao 2012

Other claims from this paper (10)

Intervention effect Contents of pigments in Brassica chinensis decreased with increasing eucalypt foliar litter.
Intervention effect Chlorophyll decreased by 67.3% at the highest litter level (120 g per pot).
Intervention effect Chlorophyll a showed the most significant decline among the pigments under eucalypt litter addition.
Intervention effect The angle(θ), Pn-PAR and Pn-Ci curve decreased with eucalypt litter addition.
Intervention effect AQY, Lsp and Pmax under photo-saturation decreased with eucalypt litter addition.
Intervention effect Pmax under CO2-saturation, CE and Rp decreased with eucalypt litter addition.
Intervention effect Fo', Fm' and Fs decreased with litter addition.
Intervention effect Fv'/Fm', ΦPSⅡ and qP decreased with litter addition.
Intervention effect qN decreased with litter addition.
Mechanism The photosynthesis system of pakchoi was to some extent destroyed by the allelopathic substances.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

At 4 J2/g soil, Heterodera avenae significantly decreased growth parameters of triticale.

Taxon: triticale×Triticosecalet0
Treatment: 4 J2/g soile2
Interactor: Heterodera avenaeHeterodera avenaet0pest
Outcome: growth parameterse2
Direction: decreasee2

Not reportedComparator

Verbatim

e2
“At 4 J2/g soil, there was significant decrease in these growth parameters but at 1 J2/g soil level there was stimulatoy effect”
✓ located verbatim in the source · abstract, characters 296–422

t0
“Heterodera avenae on the growth, photosynthesis and chlorophyll content in triticale”
✓ located verbatim in the source · title, characters 10–94

Title

Effect of Heterodera avenae on the growth, photosynthesis and chlorophyll content in triticale

Kamini Kaushal; R. Madavi Indian Journal Of Nematology 1992

Other claims from this paper (5)

Intervention effect Increasing Heterodera avenae inoculum adversely affected shoot and root fresh and dry weights of triticale.
Intervention effect Increasing Heterodera avenae inoculum adversely affected leaf area and number of leaves and tillers of triticale.
Intervention effect Increasing Heterodera avenae inoculum adversely affected grain weight of triticale.
Intervention effect At 1 J2/g soil, Heterodera avenae had a stimulatory effect on growth parameters of triticale.
Intervention effect Higher Heterodera avenae densities lowered photosynthesis, photosynthetic efficiency and leaf chlorophyll content of triticale.

Mechanismobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Aphid and cicada damage significantly reduced grain quality through impaired photosynthesis.

Taxon: Sorghum bicolorSorghum bicolort0
Interactor: aphidsAphidomorphae0pest
Second interactor: cicadasCicadidaee0pest
Outcome: grain qualitye0
Qualifier: impaired photosynthetic activitye0

Verbatim

e0
“Damage to plants by aphids and cicadas led to a significant decrease in grain quality due to impaired photosynthetic activity”
✓ located verbatim in the source · abstract, characters 830–955

t0
“Sorghum bicolor”
✓ located verbatim in the source · title, characters 61–76

Title

Species Composition of the Harmful Entomocomplex of Sorghum (Sorghum bicolor (L.) Moench) in the Polissia Region of Ukraine

Svitlana Stoliar; Oksana Trembitska; Mykola Kravchuk Journal of Global Innovations in Agricultural Sciences 2025. doi:10.22194/jgias/26.1642

Other claims from this paper (6)

Observation Monitoring found 13 pest species from four orders.
Observation Five named pest species exceeded 50% occurrence during active crop development.
Observation Scoop and stem-butterfly caterpillars caused plant death.
Association Unstable moisture and high temperatures affected pest reproduction and seasonal dynamics.
Observation Pest activity peaked during tillering and grain filling.
Recommendation Integrated agronomic and biological protection was proposed to reduce yield losses by up to 30%.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Combined PSB and mycorrhizae significantly decreased mycorrhizal colonization percentage in potato at all irrigation levels.

Taxon: potatoSolanum tuberosume0
Treatment: PSB along with mycorrhizaee1
Outcome: mycorrhizal colonization percentagee1
Direction: decreasee1

Not reportedComparator

Verbatim

e0
“This study aimed to investigate the effect of different biofertilizers on potato photosynthesis and growth”
✓ located verbatim in the source · abstract, characters 178–284

e1
“The use of PSB along with mycorrhizae led to a significant decrease in mycorrhizal colonization percentage at all irrigation levels”
✓ located verbatim in the source · abstract, characters 973–1104

Title

Mitigating the effects of water-deficit stress on potato growth and photosynthesis using mycorrhizal fungi and phosphate-solubilizing bacteria

Ahmad Nemati; Mohammad Ali Aboutalebian; Mehrdad Chaichi The Journal of Agricultural Science 2024. doi:10.1017/s0021859624000169

Other claims from this paper (9)

Intervention effect Severe moisture stress increased substomatal carbon dioxide concentration in potato compared with no stress.
Intervention effect Funneliformis mosseae raised potato tuber yield under severe moisture stress by 62.9%, the highest increase among the biofertilizers.
Intervention effect Rhizoglomus fasciculatum raised potato tuber yield under severe moisture stress by 59.8%.
Intervention effect Phosphate-solubilizing bacteria raised potato tuber yield under severe moisture stress by 48.4%.
Intervention effect Both mycorrhizal species gave the highest colonization and net photosynthesis under irrigation after 70 mm of evaporation.
Intervention effect PSB alone increased the transpiration rate of potato by 14.6%.
Intervention effect Mycorrhiza increased stomatal conductivity of potato by 18.7% compared with no biofertilizer.
Recommendation Simultaneous use of PSB and mycorrhizae can be effective for potato under mild moisture stress.
Recommendation Under severe moisture stress, mycorrhizal species alone are more effective than the combination.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Rhinanthus parasitism significantly decreased Phleum host biomass.

Taxon: PhleumPhleume0
Treatment: Parasitism by Rhinanthuse0
Interactor: RhinanthusRhinanthuse0parasite
Outcome: host, and total (host + parasite) biomasse0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Parasitism by Rhinanthus led to a significant decrease in the host, and total (host + parasite) biomass in Phleum”
✓ located verbatim in the source · abstract, characters 644–757

Title

Suppression of Host Photosynthesis by the Parasitic Plant Rhinanthus minor

Duncan D. Cameron; Jean-Michelle Geniez; Wendy E. Seel; et al. Annals of Botany 2008. doi:10.1093/aob/mcm324

Other claims from this paper (9)

Intervention effect Plantago growth showed no significant repression under Rhinanthus parasitism.
Intervention effect Parasitized Plantago had reduced maximum quantum yield versus controls.
Intervention effect Parasitized Phleum did not show reduced maximum quantum yield.
Association Rhinanthus on Phleum had significantly lower F(v)/F(m) than on Plantago.
Intervention effect Parasitism significantly depressed Phleum steady-state quantum yield.
Intervention effect Parasitism depressed Plantago steady-state quantum yield only at low irradiance.
Association Rhinanthus grown on Plantago had very low Phi(PSII), unlike Rhinanthus on Phleum.
Observation Authors interpreted Plantago as having apparent chemical and physical defenses against parasitism.
Mechanism Authors proposed electron transport rate as the limiting factor for biomass accumulation.

“decrease of the photosynthesis”

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