Search claims · PlantClaims

Associationobservedoriginal resultmeasured

Claim · model-written summary

Mn/Cu, Ca/Cu, Mg/Cu had a positive relation with cacao productivity.

Taxon: cacaoTheobroma cacaoe0
Outcome: cacao productivitye0
Direction: positivee0
Qualifier: Mn/Cu, Ca/Cu, Mg/Cue0

Not reportedOrgan / stage

Verbatim

e0
“The ratios with Cu as denominator – Mn/Cu, Ca/Cu, Mg/Cu, P/Cu, N/Cu and K/Cu – also showed a positive nutritional relation with cacao productivity.”
✓ located verbatim in the source · abstract, characters 473–620

Title

Mineral nutrient ratios and cacao productivity

Paulo C. L. Marrocos; Guilherme A. H. de A. Loureiro; Quintino R. de Araujo; et al. Journal of Plant Nutrition 2020. doi:10.1080/01904167.2020.1771582

Other claims from this paper (3)

Associationobservedoriginal resultmeasured

Claim · model-written summary

P/Cu, N/Cu and K/Cu had a positive relation with cacao productivity.

Taxon: cacaoTheobroma cacaoe0
Outcome: cacao productivitye0
Direction: positivee0
Qualifier: P/Cu, N/Cu and K/Cue0

Not reportedOrgan / stage

Verbatim

e0
“The ratios with Cu as denominator – Mn/Cu, Ca/Cu, Mg/Cu, P/Cu, N/Cu and K/Cu – also showed a positive nutritional relation with cacao productivity.”
✓ located verbatim in the source · abstract, characters 473–620

Title

Mineral nutrient ratios and cacao productivity

Paulo C. L. Marrocos; Guilherme A. H. de A. Loureiro; Quintino R. de Araujo; et al. Journal of Plant Nutrition 2020. doi:10.1080/01904167.2020.1771582

Other claims from this paper (3)

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

cu-3 hindered Cu-type progeny from becoming the majority in Cu by cu-3 crosses.

Taxon: tomatoSolanum lycopersicumt0
Gene: cu-3e0
Outcome: Cu-type progenye0
Direction: hinderede0

Verbatim

e0
“cu-3 hindered the Cu-type progeny from becoming a majority group in Cu and cu-3 hybridizations”
✓ located verbatim in the source · abstract, characters 941–1035

t0
“tomato mutant”
✓ located verbatim in the source · title, characters 41–54

Title

Genetic analysis of the dwarf curly leaf tomato mutant via hybridization with Curl and dwarf mutants

M. H. Yu Genome 1989. doi:10.1139/g89-455

Other claims from this paper (9)

Observation Crosses of Cu to cu-3 or d cr expressed the Cu phenotype in F1 and four types in F2.
Observation The transgressive wild type had normal expanded leaves, while MI had extremely distorted curly leaves.
Observation Crosses between cu-3 and d cr produced wild-type F1 plants and three F2 types.
Observation cu-3 showed no allelism or linkage with Cu, d cr, or dpy.
Observation Cu was epistatic to cu-3 and d cr.
Observation cu-3 was epistatic to d cr, although d cr plants could yield cu-3 progeny.
Observation cu-3 plants bred true.
Intervention effect cu-3 and cu-3 + reduced fruit size of several hybrid progeny by more than 33%.
Intervention effect cu-3 hybrids had over 50% fewer seeds per fruit.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Phosphorus additions raised maize Cu/Fe, Cu/Zn and Cu/N ratios.

Treatment: P additionse0
Outcome: Cu/Fe, Cu/Zn and Cu/Ne0
Direction: increasede0

Not reportedTaxonComparator

Verbatim

e0
“Ratios such as Cu/Fe, Cu/Zn and Cu/N increased due to P additions”
✓ located verbatim in the source · abstract, characters 391–456

Title

Effect of Copper-Phosphate Interaction on the Availability of Nutrients

Sambuddha Misra; Rishi Dwivedi Journal of the Indian Society of Soil Science 1977

Other claims from this paper (4)

Intervention effect Increasing copper or phosphorus application raised maize dry matter yield.
Intervention effect Increasing copper or phosphorus application raised maize Cu and P uptake and concentration.
Intervention effect Phosphorus treatment lowered maize zinc and manganese concentration.
Intervention effect Copper addition raised maize iron and manganese concentration.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Inorganic Fe had the greatest inhibition of Cu uptake, followed by tartrateCu, malate-Cu, citrate-Cu, oxalateCu and EDTA-Cu.

Taxon: maizeZea mayse0
Treatment: Inorganic Fee0
Outcome: Cu contentse0
Direction: biggest inhibiting effecte0
Qualifier: tartrateCu,malate-Cu,citrate-Cu,oxalateCue0
Comparator: EDTA-Cue0

Verbatim

e0
“Inorganic Fe exhibited the biggest inhibiting effect on Cu contents by young maize plant assimilated,and subsequently was tartrateCu,malate-Cu,citrate-Cu,oxalateCu,and EDTA-Cu had the smallest inhibiting effect on Cu contents”
✓ located verbatim in the source · abstract, characters 1233–1458

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.
Observation Root Cu content exceeded shoot Cu content.
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.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Cu concentration and uptake into navy beans were positively correlated with MnO-Cu, FeO-Cu and total Cu.

Taxon: navy beanse3
Compound: MnO-Cu, FeO-Cu and total Cue3
Outcome: concentration of Cu and its uptakee3
Direction: positively correlatede3

Verbatim

e3
“The concentration of Cu and its uptake into navy beans were positively correlated with DTPA-extractable Cu, MnO-Cu, FeO-Cu and total Cu, which in turn were correlated with clay content”
✓ located verbatim in the source · abstract, characters 1332–1516

Title

Distribution and plant availability of soil copper fractions in Saskatchewan

J. Liang; J. W. B. Stewart; R. E. Karamanos Canadian Journal of Soil Science 1991. doi:10.4141/cjss91-008

Other claims from this paper (6)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Adding EBR under Cu stress increased contents of all Cu forms except NaCl-extracted Cu in tomato leaves compared with Cu stress.

Taxon: tomatoSolanum lycopersicumt0
Organ / stage: leafe7
Treatment: Addition of EBR under Cu stresse7
Outcome: contents of all forms of Cu except NaCl extracted Cue7
Direction: increasede7
Comparator: Cu stresse7

Verbatim

t0
“tomato seedlings under Cu stress”
✓ located verbatim in the source · title, characters 92–124

e7
“Addition of EBR under Cu stress increased contents of all forms of Cu except NaCl extracted Cu in leaf, compared with Cu stress”
✓ located verbatim in the source · abstract, characters 1825–1952

Title

Exogenous EBR mediated the plant growth and absorption and accumulation of Cu, Fe and Zn in tomato seedlings under Cu stress

Yin B Zhongguo shengtai nongye xuebao 2014

Other claims from this paper (13)

Intervention effect Exogenous EBR effectively alleviated growth strains induced by Cu stress in tomato seedlings.
Intervention effect CuCl2 at 50 μmol·L?1 obviously restrained tomato growth.
Intervention effect CuCl2 at 50 μmol·L?1 increased Cu content in tomato seedlings.
Intervention effect Exogenous EBR at 0.1 mg·L?1 increased leaf chlorophyll content of tomato by 39.6% relative to seedlings under Cu stress.
Intervention effect Exogenous EBR at 0.1 mg·L?1 increased plant biomass of tomato by 20.0% relative to seedlings under Cu stress.
Intervention effect Under Cu stress, exogenous EBR reduced Cu absorption and transport in tomato.
Intervention effect Under Cu stress, exogenous EBR increased iron and zinc contents in tomato roots.
Intervention effect EBR reduced Cu biotoxicity in tomato cells.
Intervention effect EBR efficiently regulated the chemical forms and subcellular distributions of Cu, Fe and Zn in tomato.
Intervention effect Cu stress increased the contents of different chemical species of Cu in tomato leaves and roots.
Intervention effect Under Cu stress, the proportion of movable Cu increased in tomato leaves.
Intervention effect Under Cu stress, the proportion of movable Cu decreased in tomato roots.
Intervention effect Under Cu stress, EBR application made the proportions of movable and un-movable Cu in tomato similar to those of the control (CK).

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Organic complex Cu produced higher total plant Cu content than inorganic Cu.

Taxon: maizeZea mayst0
Treatment: five different organic complex Cu treatmentse0
Outcome: total Cu contentse0
Direction: higheste0
Comparator: inorganic Cu treatmente0

Verbatim

e0
“The total Cu contents were in the highest by the plant assimilated under five different organic complex Cu treatments than inorganic Cu treatment”
✓ located verbatim in the source · abstract, characters 791–936

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.
Observation Root Cu content exceeded shoot Cu content.
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.
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.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Cu concentration and uptake in oat were positively correlated with DTPA-extractable Cu, MnOX-Cu and AFeOX-Cu.

Taxon: oatAvena sativat0
Compound: DTPA-extractable Cu, MnOX-Cu, AFeOX-Cue4
Outcome: concentration of Cu and its uptake in oate4
Direction: positively correlatede4

Verbatim

t0
“oat (Avena sativa)”
✓ located verbatim in the source · title, characters 64–82

e4
“The concentration of Cu and its uptake in oat were positively correlated with DTPA-extractable Cu, MnOX-Cu, AFeOX-Cu and total Cu, which in turn were correlated with clay content”
✓ located verbatim in the source · abstract, characters 1200–1378

Title

Distribution and plant availability of soil copper fractions to oat (Avena sativa) nutrition in Haryana soils

NARENDER NARENDER; R S MALIK; R P NARWAL; et al. The Indian Journal of Agricultural Sciences 2014. doi:10.56093/ijas.v84i10.44136

Other claims from this paper (13)

Observation Most of the total soil Cu, 51.12%, was in the residual fraction.
Observation Exchangeable fraction (EX-) of soil Cu averaged 2.71%.
Observation Carbonate bound (CARB-) fraction of soil Cu averaged 0.74%.
Observation Organically associated (OM-) fraction of soil Cu averaged 2.74%.
Observation Mn oxide bound (MnOX-) fraction of soil Cu averaged 0.21%.
Observation Amorphous Fe oxide bound (AFeOX-) fraction of soil Cu averaged 13.35%.
Observation Crystalline Fe oxide bound (CFeOX-) fraction of soil Cu averaged 29.11%.
Association Exchangeable and carbonate bound Cu fractions contribute most to Cu availability to oat.
Association The residual Cu fraction contributes very little to Cu availability to oat.
Association Cu concentration and uptake in oat were positively correlated with total Cu.
Association Cu fractions in MnOX, AFeOX, CFeOX, RES and total Cu varied directly with DTPA-extractable Cu and clay content.
Method / resource Plant Cu concentration and uptake can be predicted by an equation including DTPA-extractable Cu and clay content.
Method / resource DTPA-extractable Cu is a good predictor of Cu availability in Haryana soils.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Residual DTPA-extractable Cu in the soil increased under soil incorporation of Cu lignosulphonate, Cu sulphate and Cu oxysulphate II, particularly at 2 kg Cu ha -1.

Taxon: wheatTriticum aestivumt0
Treatment: Cu lignosulphonate, Cu sulphate and Cu oxysulphate II soil incorporation treatmentse7
Outcome: residual DTPA-extractable Cue7
Direction: increasee7
Qualifier: particularly at the 2 kg Cu ha -1 ratee2

Not reportedComparator

Verbatim

t0
“grain yield of wheat”
✓ located verbatim in the source · title, characters 103–123

e7
“There was some increase in residual DTPA-extractable Cu in the 0–60 cm soil in Cu lignosulphonate, Cu sulphate and Cu oxysulphate II soil incorporation treatments”
✓ located verbatim in the source · abstract, characters 2041–2203

e2
“particularly at the 2 kg Cu ha -1 rate”
✓ located verbatim in the source · abstract, characters 2205–2243

Title

Relative effectiveness of various sources, methods, times and rates of copper fertilizers in improving grain yield of wheat on a Cu-deficient soil

S. S. Malhi; L. Cowell; H. R. Kutcher Canadian Journal of Plant Science 2005. doi:10.4141/p04-089

Other claims from this paper (11)

Intervention effect Foliar Cu fertilizer application at the flag-leaf stage increased wheat grain yield with all four Cu fertilizers in 2000 and 2001, and with all but Cu sequestered II in 1999, relative to the zero-Cu check.
Intervention effect Foliar Cu application at the four-leaf stage increased wheat grain yield only in 2001.
Intervention effect Soil incorporation of all Cu fertilizers at 2 kg Cu ha -1 increased wheat grain yield only in 2001.
Intervention effect Soil incorporation of two Cu fertilizers at 0.5 kg Cu ha -1 increased wheat grain yield only in 2001.
Intervention effect Seedrow placement of two Cu fertilizers at 1 kg Cu ha -1 increased wheat grain yield only in 2001.
Intervention effect Cu fertilization had no effect on protein concentration in wheat grain.
Intervention effect Cu concentration and uptake in grain increased with Cu fertilization, usually following a trend similar to grain yield.
Recommendation Foliar application of Cu fertilizers at the flag-leaf growth stage can be used for immediate correction of Cu deficiency in wheat.
Recommendation Foliar application may be the most practical and economical way to correct Cu deficiency in wheat during the growing season.
Recommendation Lower Cu rates can correct Cu deficiency in wheat.
Observation Wheat plants in the zero-Cu treatment exhibited Cu deficiency in all years.

“Cu”

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