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. 2016 Sep 21;6:33851. doi: 10.1038/srep33851

Figure 4. Attraction (percentage ± se) of P. xylostella larvae to P. xylostella-induced cabbage VOC blends mixed with O3 (50 or 100 ppb) or clean air in Y-tube olfactometers.

Figure 4

The number of responding larvae/the total number of tested larvae in (ac) is 85/98, 109/133 and 104/117, respectively. Asterisks indicate a preference which is significantly different from an equal distribution within a choice test: **P ≤ 0.001.