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“Cu content”

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Observationobservedoriginal resultmeasured

Claim · model-written summary

Root Cu content exceeded shoot Cu content.

Taxon: maizeZea mayst0
Organ / stage: rootse0
Outcome: contents of Cue0
Direction: highere0
Comparator: shootse0

Verbatim

e0
“the contents of Cu in roots were notably higher than shoots”
✓ located verbatim in the source · abstract, characters 415–474

t0
“Maize”
✓ located verbatim in the source · title, characters 36–41

Title

Alleviation of Cu Phyto-toxicity on Maize by Antagonism Between Fe and Cu

Ke Feng Nongye huanjing kexue xuebao 2007

Other claims from this paper (13)

Association Cu content increased with Cu concentration under Fe deficiency.
Intervention effect Inorganic Cu was most readily taken up by maize.
Observation Most Cu from inorganic Cu was transferred to shoots.
Intervention effect EDTA-Cu produced the lowest plant Cu content among five Cu forms.
Intervention effect EDTA-Cu produced the highest relative Cu transfer to shoots.
Intervention effect Organic complex Cu produced higher total plant Cu content than inorganic Cu.
Observation Organic complex Cu accumulated in roots.
Intervention effect Organic complex Cu had lower transfer to shoots than inorganic Cu.
Intervention effect Increasing ion decreased plant Cu content.
Intervention effect Increasing ion retained more Cu in roots and transferred less to shoots.
Intervention effect Increasing ion reduced Cu transfer to shoots.
Mechanism Organic complex Cu was interpreted to reduce phytotoxicity.
Intervention effect Inorganic Fe had the greatest inhibition of Cu uptake, followed by tartrateCu, malate-Cu, citrate-Cu, oxalateCu and EDTA-Cu.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Leaf Cu content was insensitive to low Cu dosage.

Taxon: S.purpureaTradescantia pallidae0
Organ / stage: leavese0
Treatment: low Cu dosagee0
Outcome: Cu contente0

Not reportedComparatorDirection

Verbatim

e0
“Cu content remains insensitive to low Cu dosage in S.purpurea leaves”
✓ located verbatim in the source · abstract, characters 320–388

Title

Effect of Cu toxicity on nutrient uptake and growth of Setcreasea purpurea Boom

Chang Huang Zhongguo shengtai nongye xuebao 2008

Other claims from this paper (17)

Observation Root copper content was low at low Cu dosage.
Intervention effect Root copper content increased greatly at high Cu dosage.
Observation Stems showed a similar Cu accumulation trend to roots.
Intervention effect Leaf Cu content increased dramatically at high Cu dosage.
Observation Whole-plant accumulated copper was 866 mg·kg-1(DW) at 500 μmol·L-1 Cu.
Observation Whole-plant accumulated copper was 1 130 mg·kg-1(DW) at 1 000 μmol·L-1 Cu.
Association Cu uptake efficiency was positively correlated with Cu dosage.
Association Cu translocation efficiency was positively correlated with Cu dosage.
Intervention effect Growth improved at Cu2+ supply of 100～ 250 μmol·L-1.
Intervention effect High Cu concentration accelerated K uptake.
Intervention effect High Cu concentration accelerated Ca uptake.
Intervention effect High Cu concentration hindered Zn uptake.
Intervention effect High Cu concentration hindered Mg translocation from roots to shoots.
Observation N, P and K concentrations remained within normal range.
Observation Mg and Ca concentrations remained within normal range.
Association Solution Cu affected protein and amino acid contents in roots and leaves.
Observation The authors conclude that S. purpurea is copper tolerant and has potential as a natural Cu hyperaccumulator.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Plant Cu content increased with soil Cu.

Taxon: sunflowerHelianthus annuuse0
Treatment: Cu in soile0
Outcome: Cu content in sunflower plante0
Direction: increasede0

Not reportedComparator

Verbatim

e0
“the Cu content in sunflower plant increased along with the increment of Cu in soil”
✓ located verbatim in the source · abstract, characters 551–633

Title

Effects of CO_2 Fertilization on the Cu Accumulation Ability of Sunflower

Lei Xi Anhui nongye kexue 2008

Other claims from this paper (6)

Intervention effect Root Cu content rose significantly with CO2 concentration.
Intervention effect Root, stem and leaf Cu contents were maximal at 800 μl/L CO2 in contaminated soil.
Observation Stem Cu content was highest at 1 626 mg/kg under 800 μl/L CO2 and 100 mg/kg Cu.
Observation Leaf Cu content was highest at 2 539 mg/kg under 800 μl/L CO2 and 100 mg/kg Cu.
Intervention effect CO2 fertilization significantly increased sunflower leaf-to-root Cu accumulation ratio.
Intervention effect Cu contents in each organ exceeded the CO2 control.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Applied Cu increased Cu content and uptake.

Taxon: sorghumSorghumt0
Treatment: Applied Cue0
Outcome: Cu content and uptakee0
Direction: increasede0

Not reportedComparator

Verbatim

e0
“Applied Cu increased Cu content and uptake, decreased the Zn content and increased the Mn content”
✓ located verbatim in the source · abstract, characters 381–478

t0
“sorghum (Sorghum bicolor)”
✓ located verbatim in the source · title, characters 98–123

Title

Effect of copper, iron and liming on the growth, concentration and uptake of Cu, Fe, Mn and Zn in sorghum (Sorghum bicolor)

Mahendra Singh; D. S. Yadav Journal of the Indian Society of Soil Science 1980

Other claims from this paper (15)

Intervention effect 5 p.p.m. Fe increased dry matter yield.
Intervention effect 10-20 p.p.m. Fe decreased dry matter yield.
Intervention effect 2.5 p.p.m. Cu increased yield.
Intervention effect 5-10 p.p.m. Cu decreased yield.
Intervention effect 2.5 p.p.m. Cu decreased Fe content.
Intervention effect 2.5 p.p.m. Cu increased Fe uptake.
Intervention effect 5-10 p.p.m. Cu decreased Fe content and uptake.
Intervention effect Applied Cu decreased Zn content.
Intervention effect Applied Cu increased Mn content.
Intervention effect Zn and Mn uptake peaked at 2.5 p.p.m. Cu.
Intervention effect Applied Fe increased Fe content and uptake.
Intervention effect Applied Fe decreased Cu, Zn and Mn contents.
Intervention effect Cu, Zn and Mn uptake peaked with 5 p.p.m. Fe.
Intervention effect CaCO3 decreased dry matter yield.
Intervention effect CaCO3 decreased Fe, Cu, Mn and Zn uptake.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Pine bark Cu content was similar to soil Cu content.

Taxon: common pine (Pinus sylvestris L.)Pinus sylvestrise0
Organ / stage: bark pinee1
Outcome: content of Cu in bark pinee1
Direction: similare1
Comparator: content of Cu in soile1

Verbatim

e0
“common pine (Pinus sylvestris L.)”
✓ located verbatim in the source · abstract, characters 493–526

e1
“The content of Cu in bark pine was similar to content of Cu in soil”
✓ located verbatim in the source · abstract, characters 1316–1383

Title

CONTENT OF HEAVY METALS IN SOIL AND IN PINE BARK IN SKALKI TWARDOWSKIEGO LANDSCAPE PARK

In Krakow 2012

Other claims from this paper (8)

Observation The sampled soils were slightly alkaline.
Observation Soil humidity was slightly higher in the meadow.
Observation Pine bark was considerably acidic, at pH 3.33-3.97.
Observation Soil Pb, Zn, and Cd concentrations were higher in the pine grove.
Observation Soil Cu concentration was slightly higher in the meadow.
Observation Soil Cd content in the meadow and grove was almost twice the norm.
Observation Other measured soil metals complied with norms.
Observation Pine bark Pb, Cd, and Zn contents were lower than soil contents.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Leaf Cu content increased dramatically at high Cu dosage.

Taxon: S.purpureaTradescantia pallidae0
Organ / stage: leavese0
Treatment: high Cu dosagee0
Outcome: Cu contente0
Direction: increasese0

Not reportedComparator

Verbatim

e0
“Cu content remains insensitive to low Cu dosage in S.purpurea leaves,but increases dramatically under high Cu dosage”
✓ located verbatim in the source · abstract, characters 320–436

Title

Effect of Cu toxicity on nutrient uptake and growth of Setcreasea purpurea Boom

Chang Huang Zhongguo shengtai nongye xuebao 2008

Other claims from this paper (17)

Observation Root copper content was low at low Cu dosage.
Intervention effect Root copper content increased greatly at high Cu dosage.
Observation Stems showed a similar Cu accumulation trend to roots.
Intervention effect Leaf Cu content was insensitive to low Cu dosage.
Observation Whole-plant accumulated copper was 866 mg·kg-1(DW) at 500 μmol·L-1 Cu.
Observation Whole-plant accumulated copper was 1 130 mg·kg-1(DW) at 1 000 μmol·L-1 Cu.
Association Cu uptake efficiency was positively correlated with Cu dosage.
Association Cu translocation efficiency was positively correlated with Cu dosage.
Intervention effect Growth improved at Cu2+ supply of 100～ 250 μmol·L-1.
Intervention effect High Cu concentration accelerated K uptake.
Intervention effect High Cu concentration accelerated Ca uptake.
Intervention effect High Cu concentration hindered Zn uptake.
Intervention effect High Cu concentration hindered Mg translocation from roots to shoots.
Observation N, P and K concentrations remained within normal range.
Observation Mg and Ca concentrations remained within normal range.
Association Solution Cu affected protein and amino acid contents in roots and leaves.
Observation The authors conclude that S. purpurea is copper tolerant and has potential as a natural Cu hyperaccumulator.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Tuber Si content correlated positively with Cu and Mn content.

Compound: Cu and Mn contente0
Outcome: Cu and Mn contente0
Direction: positively correlatede0

Not reportedTaxon

Verbatim

e0
“and positively correlated with the Cu and Mn content.”
✓ located verbatim in the source · abstract, characters 1189–1242

Title

Effect of Silicon on Micronutrient Content in New Potato Tubers

Wanda Wadas; Tomasz Kondraciuk International Journal of Molecular Sciences 2023. doi:10.3390/ijms241310578

Other claims from this paper (8)

Intervention effect Foliar silicon reduced tuber Fe under water deficit.
Intervention effect Foliar silicon increased tuber Cu under water deficit.
Intervention effect Foliar silicon increased tuber Mn under water deficit.
Intervention effect Foliar silicon did not affect tuber Zn, B or Si concentrations.
Intervention effect Silicon dose and timing slightly affected tuber Fe and Cu concentrations.
Intervention effect Under drought, the highest tuber Mn content followed 46.50 g Si per hectare at leaf development.
Intervention effect Under periodic water deficits, tuber Mn was highest with the same silicon dose at tuber initiation.
Association Tuber Si content correlated negatively with Fe and B content.

Associationobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Foliar Cu content had a significant positive relationship with soil Cu content extracted by all three solutions.

Taxon: EucalyptusEucalyptust0
Compound: Cue0
Outcome: Cue0
Direction: positivee0
Comparator: Cue0

Verbatim

e0
“Foliar Cu, Mn, and Zn contents showed significant and positive relationships with soil Cu, Mn, and Zn contents extracted by the three solutions.”
✓ located verbatim in the source · abstract, characters 685–829

t0
“Eucalyptus”
✓ located verbatim in the source · title, characters 34–44

Title

Micronutrient Soil-Test Levels andEucalyptusFoliar Contents

Cleiton Henrique Sequeira; Nairam Félix Baros; Júlio César Lima Neves; et al. Communications in Soil Science and Plant Analysis 2011. doi:10.1080/00103624.2011.542227

Other claims from this paper (5)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Exchangeable soil Cu showed no apparent relationship to crop Cu content.

Taxon: CROPt0
Outcome: Cu content of the cropse0
Direction: no apparent relationshipe0

Verbatim

e0
“There was no apparent relationship between the exchangeable Cu content of soils and the Cu content of the crops”
✓ located verbatim in the source · abstract, characters 1636–1747

t0
“CROP”
✓ located verbatim in the source · title, characters 0–4

Title

CROP RESPONSES TO APPLIED MOLYBDENUM AND COPPER ON PODZOL SOILS

Umesh C. Gupta; D. C. MacKay Canadian Journal of Soil Science 1968. doi:10.4141/cjss68-033

Other claims from this paper (15)

Intervention effect Applied Mo raised cauliflower yield by 2000–5000 percent, depending on soil series.
Intervention effect Applied Mo raised spinach yield by 400–900 percent.
Intervention effect Applied Mo raised barley yield by 20–400 percent.
Intervention effect Applied Mo raised timothy yield by 90–400 percent.
Intervention effect Applied Mo raised alfalfa yield by 150–400 percent.
Observation Mo content in crops ranged from 0.05 to 0.85 on untreated soils and 0.64 to 6.62 ppm on treated soils.
Observation After harvest, 81 to 86% of applied Mo was in crop tissue or exchangeable soil Mo.
Observation Exchangeable soil Mo and crop Mo under treatment correlated positively with untreated-soil crop yields.
Observation Exchangeable soil Mo and treated-crop Mo were negatively correlated with yield response to Mo.
Observation Applied Cu caused no significant yield response in four tested crops.
Observation Hudson barley kernel yield increased on three soils with applied Cu.
Observation Applied Cu raised tissue Cu content by about 50% in spinach and Herta barley straw.
Observation Applied Cu raised Hudson barley kernel Cu content by 400%.
Observation Crop Cu content ranged from 2.5 to 8.5 ppm untreated and 6.6 to 13.2 ppm treated.
Observation After harvest, 85 to 94% of applied Cu was recovered from plants or exchangeable soil Cu.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

NPK plus Cu increased grain Cu content by 13.0%.

Treatment: mineral fertilizers (NPK) supplemented with Cue0
Outcome: Cu contente0
Direction: increasede0
Value: 13.0%e0

Not reportedTaxonComparator

Verbatim

e0
“The application of mineral fertilizers (NPK) supplemented with Cu increased Cu content (13.0%)”
✓ located verbatim in the source · abstract, characters 699–793

Title

Effect of foliar application of Cu, Zn, and Mn on yield and quality indicators of winter wheat grain

Arkadiusz Stepien; Katarzyna Wojtkowiak Chilean journal of agricultural research 2016. doi:10.4067/s0718-58392016000200012

Other claims from this paper (16)

Intervention effect NPK plus Zn increased grain Cu content by 14.9%.
Intervention effect NPK plus Zn increased HMW glutenins by 38.8%.
Intervention effect NPK plus Zn increased LMW glutenins by 6.7%.
Intervention effect Zinc reduced monomeric gliadin content.
Intervention effect Zinc increased polymeric glutenin content.
Intervention effect Zinc reduced the gliadin:glutenin ratio to 0.77.
Intervention effect NPK plus Mn increased grain Fe content by 14.3%.
Intervention effect Mn increased grain protein content by 3.8%.
Intervention effect Mn increased grain gluten content by 4.4%.
Intervention effect Mn increased the Zeleny sedimentation index by 12.4%.
Intervention effect Mn increased grain hardness by 18.5%.
Intervention effect Mn increased HMW glutenins by 18.9%.
Intervention effect Mn increased LMW glutenins by 4.5%.
Intervention effect NPK with Cu, Zn and Mn increased grain Cu content by 22.6%.
Intervention effect NPK with Cu, Zn and Mn increased grain Zn content by 17.7%.
Intervention effect Combined micronutrients increased HMW glutenins by 7.9%.

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“Cu content”

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