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

Table 3

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

The ratio of training set to testing set	The number of principal components	Training set			Testing set
			SEC/%	AARD/%		SEP/%	AARD/%
1 : 1	6	0.8919	0.06	12.78	0.7585	0.11	28.80
2 : 1	7	0.9046	0.06	14.03	0.7653	0.11	17.27
3 : 1	7	0.9149	0.06	12.71	0.7727	0.11	26.88
4 : 1	8	0.9665	0.04	9.44	0.8961	0.07	17.31
5 : 1	6	0.8288	0.08	18.48	0.8765	0.09	15.70
Average	7	0.9013	0.06	13.50	0.8138	0.10	21.19