Identification of Tilletia foetida, Ustilago tritici, and Urocystis tritici Based on Near-Infrared Spectroscopy

Table 1

Number of near-infrared spectra of each kind of pathogen in the training and testing sets under different modeling ratios when Data treatment method 1 was used.

Modeling ratio of training set to testing set	Training set				Testing set
	Tilletia foetida	Ustilago tritici	Urocystis tritici	Total number of samples	Tilletia foetida	Ustilago tritici	Urocystis tritici	Total number of samples
3 : 1	803	291	22	1116	268	98	8	374
4 : 1	856	311	24	1191	215	78	6	299
5 : 1	892	324	25	1241	179	65	5	249

Note. There were 1490 near-infrared spectra including 1071, 389, and 30 spectra of Tilletia foetida, Ustilago tritici, and Urocystis tritici, respectively.