Integrated NIRS and QTL assays reveal minor mannose and galactose as contrast lignocellulose factors for biomass enzymatic saccharification in rice

Table 2 Calibration and validation of NIRS equations for predicting mannose and galactose of wall polysaccharides

Traits	Calibration							Cross validation			External validation
Traits	N	Spectrum (nm)	DT	SCM	Terms	SEC	R²c	SECV	R²cv	RDP	N	SEP	R²ev
Man	75	1108–2492	1,4,4,1	SNVD	7	0.07	0.91	0.10	0.86	2.50	25	0.10	0.87
Gal	75	1108–2492	1,4,4,1	DET	5	0.39	0.92	0.56	0.85	3.02	25	0.51	0.89

DT, derivative treatment; SCM, scatter correction methods; SEC, standard error of calibration; R²c, determination coefficient of calibration; SECV, standard error of cross-validation; R²cv, determination coefficient of cross-validation; RPD, ratio performance deviation; SEP, standard error of prediction in external validation; R²ev, determination coefficient of external validation; SNVD, a combination of standard normal variant and detrend; DET, detrend only; N, sample number; Terms, number of principal component used for calibration

ISSN: 2731-3654