Plant Phenomics / 2019 / Article / Tab 7

Research Article

High-Throughput Measurements of Stem Characteristics to Estimate Ear Density and Above-Ground Biomass

Table 7

Biomass regression models derived from stem density, ear density, stem area, height, and biovolume at the Gréoux experimental site. Note: means model significant at the 0.01 level of probability. The R2, RMSE, and RRMSE are averaged R2, RMSE, and RRMSE values of leave-one-out cross-validation methods.

VariablesR2RMSE (g/m2)RRMSE (%)

Stem density0.43948.0

Ear density0.51848.1

Plant height0.441109.8

Basal area0.64777.3

Biovolume0.81625.8

All0.85585.1

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