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

Table 4

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 SNV 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	0.8800	0.4278	0.1337	2.8863	0.8721	0.4527	0.1418	2.7959
700	4	10	0.9009	0.3747	0.1069	3.2959	0.8643	0.4663	0.1501	2.7144
700	4	15	0.9080	0.3747	0.1051	3.2961	0.8683	0.4593	0.1446	2.7560
700	8	5	0.9255	0.3370	0.1096	3.6641	0.8725	0.4519	0.1320	2.8009
700	8	10	0.9186	0.3522	0.1161	3.5058	0.8725	0.4520	0.1389	2.8005
700	8	15	0.9225	0.3439	0.1151	3.5912	0.8712	0.4543	0.1379	2.7862
700	12	5	0.9636	0.2356	0.0757	5.2422	0.8393	0.5074	0.1504	2.4947
700	12	10	0.9660	0.2275	0.0723	5.4270	0.8456	0.4973	0.1486	2.5450
700	12	15	0.9660	0.2276	0.0719	5.4257	0.8462	0.4963	0.1476	2.5503
1400	4	5	0.8744	0.4376	0.1376	2.8217	0.8544	0.4831	0.1461	2.6203
1400	4	10	0.8821	0.4241	0.1263	2.9120	0.8632	0.4681	0.1439	2.7039
1400	4	15	0.8963	0.3976	0.1117	3.1057	0.8870	0.4255	0.1319	2.9748
1400	8	5	0.9257	0.3367	0.1125	3.6676	0.8614	0.4712	0.1437	2.6861
1400	8	10	0.9283	0.3307	0.1083	3.7346	0.8604	0.4729	0.1423	2.6763
1400	8	15	0.9273	0.3330	0.1102	3.7087	0.8626	0.4693	0.1394	2.6973
1400	12	5	0.9705	0.2122	0.0695	5.8193	0.7924	0.5768	0.1739	2.1945
1400	12	10	0.9718	0.2074	0.0654	5.9552	0.7958	0.5720	0.1626	2.2128
1400	12	15	0.9722	0.2060	0.0646	5.9937	0.7930	0.5759	0.1658	2.1978