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

Table 5

The results of the kQPLS-SVR models for quantification of the relative content of Pst DNA in wheat leaves in the incubation period built when VN was used as the preprocessing method of 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	0.7040	0.6718	0.2424	1.8381	0.5965	0.8040	0.2667	1.5743
700	4	10	0.6885	0.6893	0.2360	1.7916	0.6004	0.8001	0.2704	1.5820
700	4	15	0.7313	0.6401	0.2186	1.9291	0.5987	0.8018	0.2584	1.5786
700	8	5	0.8071	0.5424	0.1939	2.2766	0.7907	0.5790	0.1851	2.1860
700	8	10	0.8247	0.5171	0.1826	2.3881	0.7784	0.5959	0.1967	2.1241
700	8	15	0.8232	0.5193	0.1814	2.3782	0.7964	0.5711	0.1833	2.2164
700	12	5	0.8522	0.4748	0.1718	2.6009	0.7556	0.6257	0.2033	2.0229
700	12	10	0.8513	0.4762	0.1731	2.5934	0.7333	0.6540	0.2163	1.9353
700	12	15	0.8697	0.4458	0.1531	2.7703	0.7475	0.6361	0.2063	1.9899
1400	4	5	0.6789	0.6998	0.2459	1.7647	0.5489	0.8501	0.2706	1.4889
1400	4	10	0.6974	0.6793	0.2350	1.8178	0.5382	0.8601	0.2803	1.4716
1400	4	15	0.6804	0.6982	0.2488	1.7688	0.5324	0.8655	0.2836	1.4624
1400	8	5	0.8220	0.5211	0.1827	2.3699	0.7578	0.6229	0.2001	2.0321
1400	8	10	0.8136	0.5331	0.1902	2.3165	0.7668	0.6112	0.1987	2.0707
1400	8	15	0.8095	0.5389	0.1949	2.2914	0.7625	0.6168	0.2050	2.0520
1400	12	5	0.8565	0.4678	0.1629	2.6399	0.7078	0.6842	0.2295	1.8500
1400	12	10	0.8695	0.4462	0.1526	2.7678	0.7479	0.6355	0.1947	1.9916
1400	12	15	0.8717	0.4423	0.1498	2.7917	0.7234	0.6657	0.2118	1.9015