Application of Near-Infrared Spectroscopy to Quantitatively Determine Relative Content of Puccnia striiformis f. sp. tritici DNA in Wheat Leaves in Incubation Period

Table 2

The results of the kQPLS-SVR models for quantification of the relative content of Pst DNA in wheat leaves in the incubation period built with the original near-infrared spectra.

The number of attributes	The number of principal components	The number of QPLS models	Training set				Testing set
			R^2	SEC	AARD	RPD	R^2	SEP	AARD	RPD
700	4	5	0.7179	0.6559	0.2283	1.8826	0.6773	0.7190	0.2624	1.7604
700	4	10	0.7664	0.5968	0.1847	2.0692	0.7147	0.6760	0.2391	1.8723
700	4	15	0.7729	0.5884	0.1836	2.0986	0.6732	0.7236	0.2645	1.7492
700	8	5	0.9027	0.3852	0.1257	3.2057	0.8820	0.4349	0.1274	2.9107
700	8	10	0.9029	0.3849	0.1282	3.2085	0.8788	0.4406	0.1400	2.8727
700	8	15	0.9026	0.3854	0.1263	3.2042	0.8802	0.4382	0.1353	2.8888
700	12	5	0.9564	0.2579	0.0872	4.7879	0.8514	0.4880	0.1458	2.5938
700	12	10	0.9580	0.2531	0.0816	4.8797	0.8604	0.4729	0.1416	2.6767
700	12	15	0.9590	0.2501	0.0808	4.9374	0.8535	0.4844	0.1414	2.6128
1400	4	5	0.7193	0.6543	0.2158	1.8874	0.6309	0.7689	0.2636	1.6461
1400	4	10	0.7047	0.6711	0.2173	1.8401	0.6422	0.7571	0.2598	1.6718
1400	4	15	0.7729	0.5884	0.1836	2.0986	0.6732	0.7236	0.2645	1.7492
1400	8	5	0.9072	0.3762	0.1241	3.2826	0.8806	0.4373	0.1342	2.8944
1400	8	10	0.9039	0.3827	0.1273	3.2266	0.8771	0.4437	0.1385	2.8530
1400	8	15	0.9036	0.3834	0.1284	3.2209	0.8785	0.4411	0.1356	2.8692
1400	12	5	0.9668	0.2249	0.0739	5.4900	0.8180	0.5400	0.1634	2.3440
1400	12	10	0.9666	0.2256	0.0751	5.4742	0.8215	0.5347	0.1572	2.3672
1400	12	15	0.9659	0.2280	0.0739	5.4164	0.8223	0.5335	0.1555	2.3723