Enzyme

Leaves

Needles

Regression equation

R²

Regression equation

R²

Cellulase

Y = 83.7421 − 103.6762X_A − 103.8427X_B + 128.9102X_AX_B

0.9208

Y = 45.8284 − 59.9538X_A − 56.1843X_B + 74.2239X_AX_B

0.5446

Cellobiohydrolase

Y = −62.1652 + 50.5547X_A + 53.8302X_B − 43.3070X_AX_B

0.9891

Y = 77.1007 − 62.8307X_A − 59.8783X_B + 48.9322X_AX_B

0.8856

Invertase

Y = 138.2733 − 50.6023X_A − 52.2688X_B + 19.1748X_AX_B

0.7751

Y = 506.0160 − 201.9460X_A − 205.2240X_B + 81.9988X_AX_B

0.3426

Polyphenol oxidase

Y = 6.2803 − 8.8367X_A − 8.8869X_B + 13.0808X_AX_B

0.6965

Y = 9.8668 − 11.0435X_A − 9.7123X_B + 11.3387X_AX_B

0.5675