Quantitative Determination of Germinability of Puccinia striiformis f. sp. tritici Urediospores Using Near Infrared Spectroscopy Technology

Table 2

Influence of different spectral regions on prediction results of QPLS models for quantitative determination of germinability of Puccinia striiformis f. sp. tritici urediospores.

Spectral region/cm^−1	The number of principal components	Training set			Testing set
			SEC/%	AARD/%		SEP/%	AARD/%
4000–5000	3	0.5836	0.13	26.72	0.6083	0.14	16.89
4000–6000	3	0.5194	0.14	28.96	0.4696	0.16	23.84
4000–7000	3	0.4930	0.15	30.41	0.4259	0.16	30.59
4000–8000	4	0.5618	0.14	28.93	0.6174	0.13	18.56
4000–9000	6	0.7306	0.11	24.91	0.8814	0.07	13.42
4000–10000	5	0.6402	0.12	26.16	0.7436	0.11	17.74
4000–11000	8	0.8850	0.07	15.45	0.8785	0.08	16.72
4000–12000	8	0.9665	0.04	9.44	0.8961	0.07	17.31
5000–6000	5	0.6665	0.12	26.81	0.8143	0.09	18.09
5000–7000	4	0.5494	0.14	29.45	0.8216	0.09	16.80
5000–8000	4	0.5562	0.14	30.00	0.7434	0.11	19.36
5000–9000	7	0.7597	0.10	23.74	0.9382	0.05	11.41
5000–10000	5	0.6424	0.12	26.38	0.8888	0.07	13.70
5000–11000	7	0.8419	0.08	19.29	0.8892	0.07	14.96
5000–12000	8	0.9727	0.03	8.92	0.8493	0.08	21.81
6000–7000	6	0.8378	0.08	18.03	0.8565	0.08	18.46
6000–8000	6	0.7228	0.11	23.87	0.8833	0.07	13.15
6000–9000	7	0.8279	0.09	19.22	0.8632	0.08	16.95
6000–10000	6	0.7538	0.10	23.67	0.9034	0.07	13.51
6000–11000	6	0.8014	0.09	21.91	0.9085	0.07	13.77
6000–12000	5	0.7877	0.10	21.50	0.8924	0.07	14.43
7000–8000	5	0.6788	0.12	25.21	0.8051	0.10	16.77
7000–9000	6	0.8309	0.08	18.77	0.9244	0.06	15.06
7000–10000	5	0.7259	0.11	23.80	0.8707	0.08	15.13
7000–11000	4	0.6979	0.11	23.69	0.8990	0.07	14.60
7000–12000	4	0.7897	0.09	21.82	0.8904	0.07	16.61
8000–9000	4	0.8103	0.09	21.18	0.8874	0.07	17.35
8000–10000	4	0.7189	0.11	26.65	0.8694	0.08	20.78
8000–11000	5	0.8231	0.09	19.75	0.8791	0.08	18.67
8000–12000	4	0.7531	0.10	24.59	0.8478	0.08	22.12
9000–10000	4	0.7938	0.09	21.51	0.8550	0.08	20.46
9000–11000	4	0.8038	0.09	20.88	0.8145	0.09	22.65
9000–12000	3	0.6436	0.12	31.45	0.7053	0.12	24.85
10000–11000	4	0.7863	0.10	21.93	0.7605	0.11	26.12
10000–12000	3	0.6754	0.12	29.52	0.7342	0.11	25.76
11000–12000	2	0.6252	0.13	31.85	0.6024	0.14	34.99
Average	5	0.7294	0.10	23.51	0.8088	0.09	18.70