Search claims · PlantClaims

Method / resourceobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Mesophyll conductance estimates from Δ17O (gmΔ17) and δ18O (gm18) agree within the combined errors.

Taxon: sunflowerHelianthus annuuse2
Outcome: gm18 and gmΔ17 estimates agreee1
Value: 0.876e1
Qualifier: within the combined errorse1
Comparator: gm18e1

Verbatim

e1
“The gm18 and gmΔ17 estimates agree within the combined errors (P-value, 0.876)”
✓ located verbatim in the source · abstract, characters 751–829

e2
“The gm calculations are applied to combined measurements of δ18O and Δ17O, and gas exchange in two C3 species, sunflower (Helianthus annuus L. cv. 'sunny') and ivy (Hedera hibernica L.), and the C4 species maize (Zea mays)”
✓ located verbatim in the source · abstract, characters 527–749

Title

Exploring the potential of Δ17O in CO2 for determining mesophyll conductance

Getachew Agmuas Adnew; Thijs L Pons; Gerbrand Koren; et al. PLANT PHYSIOLOGY 2023. doi:10.1093/plphys/kiad173

Other claims from this paper (4)

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Changes due to mineralisation of soil organic matter during the two years were within the errors of the experiment.

Taxon: winter wheatTriticum aestivume1
Outcome: changes due to mineralisation of the soil organic mattere2
Qualifier: within the errors of the experimente2

Verbatim

e1
“The uptake of fertiliser nitrogen (N) by winter wheat was measured”
✓ located verbatim in the source · abstract, characters 9–75

e2
“Any changes due to mineralisation of the soil organic matter during the 2 years of the experiment were within the errors of the experiment”
✓ located verbatim in the source · abstract, characters 1314–1452

Title

The uptake of ¹⁵N‐labelled fertiliser by winter wheat and its immobilisation in a clay soil after direct drilling or ploughing

Rodney J. Dowdell; Rachel Crees Journal of the Science of Food and Agriculture 1980. doi:10.1002/jsfa.2740311004

Other claims from this paper (8)

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Optimizing base temperature or adding an upper threshold by growth stage did not substantially reduce errors in predicting cotton growth-stage dates.

Taxon: Gossypium hirsutum L.Gossypium hirsutume0
Treatment: Optimization of base temperature and inclusion of an upper threshold by growth stagee3
Outcome: errors in predicting date of growth stage occurrencee3
Direction: no_changeinferrede3
Qualifier: did not substantiallye3

Not reportedComparator

Verbatim

e0
“Cotton ( Gossypium hirsutum L.)”
✓ located verbatim in the source · abstract, characters 9–40

e3
“Optimization of base temperature and inclusion of an upper threshold by growth stage did not substantially decrease errors in predicting date of growth stage occurrence”
✓ located verbatim in the source · abstract, characters 1184–1352

Title

Reevaluation of the degree day base 60°F concept in US cotton (Gossypium hirsutum L.) production

Tyson B. Raper; Rebecca Ward; Cheyenne Rushing; et al. Agronomy Journal 2023. doi:10.1002/agj2.21480

Other claims from this paper (5)

Observationobservedoriginal resultno effectnot significant (as stated)simulated

Claim · model-written summary

Embryo-to-seed ratio did not differ significantly between basal taxa and derived groups because the model had large standard errors.

Taxon: basal taxae0
Outcome: E:Se0
Direction: no statistically significant differencese0
Comparator: any derived groupe0

Verbatim

e0
“There were no statistically significant differences in E:S between basal taxa and any derived group due to extremely large standard errors produced by GLS models”
✓ located verbatim in the source · abstract, characters 956–1117

Title

THE EVOLUTION OF EMBRYO SIZE IN ANGIOSPERMS AND OTHER SEED PLANTS: IMPLICATIONS FOR THE EVOLUTION OF SEED DORMANCY

Tara A. Forbis; Sandra K. Floyd; Alan de Queiroz Evolution 2002. doi:10.1554/0014-3820(2002)056[2112:teoesi]2.0.co;2

Other claims from this paper (8)

Method / resourceobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Most standard errors of prediction in external validation from the reduced data sets were not significantly different from those from the whole data set.

Taxon: grapese4
Treatment: reduced data setse5
Outcome: standard errors of prediction (SEP)e5
Direction: not significantly differente5
Comparator: whole data sete5

Verbatim

e4
“to control the technological maturity of grapes and total phenolic compounds of grape skins in red and white cultivars”
✓ located verbatim in the source · abstract, characters 569–687

e5
“Most of the standard errors of prediction (SEP) in external validation obtained from the reduced data sets were not significantly different from those obtained using the whole data set”
✓ located verbatim in the source · abstract, characters 945–1129

Title

Reduction of the Number of Samples for Cost-Effective Hyperspectral Grape Quality Predictive Models

Julio Nogales-Bueno; Francisco José Rodríguez-Pulido; Berta Baca-Bocanegra; et al. Foods 2021. doi:10.3390/foods10020233

Other claims from this paper (1)

Method / resource Calibration subsets selected by hierarchical clustering appear to give slightly better accuracy and precision of grape models than principal component selection.

Method / resourceobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

LAI and NDVI forecast absolute percentage errors did not differ significantly.

Taxon: soybeanGlycine maxt0
Outcome: forecast error (APE)e0
Direction: no significant differencese0
Comparator: LAI and NDVIe0

Verbatim

e0
“There were no significant differences in the forecast error (APE) when using LAI and NDVI”
✓ located verbatim in the source · abstract, characters 1236–1325

t0
“soybean”
✓ located verbatim in the source · title, characters 37–44

Title

Application of LAI and NDVI to model soybean yield in the regions of the Russian Far East

K N Dubrovin; A S Stepanov; T A Aseeva IOP Conference Series Earth and Environmental Science 2022. doi:10.1088/1755-1315/949/1/012030

Other claims from this paper (14)

Observation LAI and NDVI maxima occurred in weeks 31 to 33.
Method / resource LAI-based model MAPE ranged from 4.1 to 9.0%.
Method / resource LAI-based model RMSE ranged from 0.06 to 0.13 t/ha.
Method / resource NDVI model MAPE ranged from 4.8 to 10.4%.
Method / resource NDVI model RMSE ranged from 0.06 to 0.15 t/ha.
Method / resource Regression model quality was higher in Tambovskiy and Oktyabrskiy than Leninskiy and Mikhailovskiy.
Method / resource Tambovskiy median APE was 7.2% using LAI.
Method / resource Tambovskiy median APE was 8.8% using NDVI.
Method / resource Oktyabrskiy median APE was 7.5% using LAI.
Method / resource Oktyabrskiy median APE was 6.1% using NDVI.
Method / resource Leninskiy median APE was 14.2% using LAI.
Method / resource Leninskiy median APE was 13.7% using NDVI.
Method / resource Mikhailovskiy median APE was 10.8% using LAI.
Method / resource Mikhailovskiy median APE was 12.3% using NDVI.

Method / resourceobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Statistical testing based on the bootstrap method showed that the mean square errors (MSE) of the predicted bud-burst dates of two models, in which the start of ontogenetic development depended on dormancy development only, did not differ significantly.

Taxon: Betula pendulaBetula pendulat0
Outcome: mean square errors (MSE)e0
Direction: did not differe0
Comparator: two modelse0

Verbatim

e0
“Statistical testing based on the bootstrap method showed that the mean square errors (MSE) of the predicted bud-burst dates of two models, in which the start of ontogenetic development depended on dormancy development only, did not differ significantly.”
✓ located verbatim in the source · abstract, characters 131–384

t0
“Betula pendula”
✓ located verbatim in the source · title, characters 80–94

Title

Statistical evaluation of bud development theories: application to bud burst of Betula pendula leaves

R. Hakkinen Tree Physiology 1999. doi:10.1093/treephys/19.9.613

Other claims from this paper (3)

Method / resourceobservedoriginal resultno effectmeasured

Claim · model-written summary

FA and FA1 showed no notable differences for variety main effects across estimates, rankings, standard errors, contrast efficiency and discrimination.

Taxon: corn (Zea mays L.)Zea mayse1
Outcome: estimates, rankings, standard errors of estimates, test efficiencies of contrasts for variety main (mean over all locations) effects, and discrimination power for varietiese0
Direction: no notable differencese0
Comparator: the two modelse0

Verbatim

e0
“There were no notable differences between the two models in the estimates, rankings, standard errors of estimates, test efficiencies of contrasts for variety main (mean over all locations) effects, and discrimination power for varieties”
✓ located verbatim in the source · abstract, characters 774–1010

e1
“corn (Zea mays L.) performance trails”
✓ located verbatim in the source · abstract, characters 240–277

Title

A comparison of factor‐analytic and equal diagonal factor‐analytic models in multi‐location trials analyses

Xiyuan Hu; Dejun Han; Renhe Zhang; et al. Agronomy Journal 2020. doi:10.1002/agj2.20236

Other claims from this paper (6)

Method / resource FA has more variety-effect covariance parameters than FA1.
Method / resource Effective parameter-count differences were smaller than theory and shrank with more factors.
Method / resource FA and FA1 had competitive trial-data fit by AIC and LRT.
Method / resource FA outperformed FA1 for standard error and contrast-test efficiency for variety simple effects.
Recommendation The authors recommend FA for multi-location trial analysis.
Recommendation The authors could not give a general AIC- or LRT-based rule for selecting FA versus FA1.

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

The calibration errors did not reduce validation performance for maize at Castro.

Taxon: maizeZea mayse0
Outcome: performance in the validation processe3
Direction: not enough to reducee3

Verbatim

e0
“The aim of this study was to calibrate and validate the AquaCrop model for maize crop in the edaphoclimatic conditions of Campos Gerais region, Paraná State, Brazil”
✓ located verbatim in the source · abstract, characters 198–362

e3
“However, the errors were not enough to reduce the performance in the validation process for this localitie”
✓ located verbatim in the source · abstract, characters 1305–1411

Title

Calibration and Validation of the AquaCrop Model to Estimate Maize Production in Campos Gerais, Paraná State, Brazil

Jorge Luiz Moretti de Souza; Cibelle Tamiris de Oliveira; Stefanie Lais Kreutz Rosa; et al. Revista Brasileira de Meteorologia 2020. doi:10.1590/0102-7786352001

Other claims from this paper (4)

Method / resource AquaCrop calibration gave absolute maize yield errors of 6 to 121 kg ha–1 in Campos Gerais.
Observation The highest AquaCrop calibration errors for maize occurred in Castro.
Method / resource AquaCrop validation performance for maize was excellent in all locations evaluated.
Method / resource AquaCrop can predict maize yield with acceptable accuracy in the Campos Gerais Region.

Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Canopy cover estimation errors showed no systematic dependence on stand density across 250-2800 trees/ha.

Taxon: conifere1
Treatment: stand densitye5
Outcome: CR estimation errorse5
Direction: no_changeinferrede5
Qualifier: across a wide density range (250–2800 trees/ha)e5

Verbatim

e1
“Field validation in monoculture conifer plantations in Ibaraki and Fukuoka, Japan, yielded CBH biases of 0.17 m and 0.25 m with RMSEs of 1.64 m and 1.94 m (11.2% and 12.3% of field means, respectively)”
✓ located verbatim in the source · abstract, characters 1040–1241

e5
“CR estimation errors showed no systematic dependence on stand density across a wide density range (250–2800 trees/ha)”
✓ located verbatim in the source · abstract, characters 1326–1443

Title

Enhancing thinning efficiency in closed-canopy conifer plantations using dynamic threshold-derived live crown ratio and canopy cover from airborne discrete-return LiDAR data

Tomoaki Takahashi; Shinya Tanaka Journal of Forest Research 2026. doi:10.1080/13416979.2026.2656549

Other claims from this paper (7)

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