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Table 5 Multiple linear regression stepwise model selection and equation for saccharification efficiency and digestibility of organic matter according to the cell wall composition in the internode of 20 inbred lines evaluated during two years

From: Elucidating the multifunctional role of the cell wall components in the maize exploitation

Stepwise selection

Saccharification efficiency (nmol mg material−1 h−1)

R2

Partial

R2

Cellulose (CEL mg/g)

0.45

0.45

Diferulic 8–5-b

0.16

0.61

Model

SACCHARIFICATION = 53.24 + 14.47*DFA 8–5-b + 0.07*CEL

Digestibility of the organic matter (%)

R2

Partial

R2

Neutral Detergent Fibre (NDF)

0.83

0.83

Ferulic Acid (FA)

0.06

0.89

Lignin G Subunit (G)

0.02

0.90

Model

DOM=67.78+0.24*FA+0.30*G-0.47*NDF

  1. R2 partial Percentage of the variance explained by each trait, R2 Total percentage of the variance explained by the model