Table 2.

Results of permutation tests testing for an association between PCAs on odor blends emitted by the 10 rose cultivars of this study (reduced to VOC categories) and perceptual ratings of these categories

	VOC amounts		VOC relative proportions
Perceptual rating	r2	P	r2	P
Rose	0.591	0.043	0.539	0.070
Pleasantness	0.449	0.126	0.579	0.051
Flower	0.271	0.335	0.596	0.039
Attractivity	0.357	0.213	0.774	0.004
Intensity	0.667	0.019	0.777	0.010
Familiarity	0.772	0.004	0.791	0.006
Fruit	0.056	0.831	0.489	0.086
Lemon	0.340	0.238	0.616	0.038

R²: association coefficient. P: P-value. Bold P-values show significant associations.