Figure 3From: Floral volatiles interfere with plant attraction of parasitoids: ontogeny-dependent infochemical dynamics in Brassica rapa Specificity of plant volatiles emitted by Brassica rapa at different developmental stages. Percentage attractiveness of Cotesia glomerata females toward different treatments in olfactometer settings. Treatments are: Blank empty odor source, Ctrl non-infested plant, Inf P Pieris-infested plant, Inf S Spodoptera-infested plant. Settings are: A 4-arm olfactometer with flowering plants; B 4-arm olfactometer with vegetative plants. Treatments followed by a different letter are significantly different (One-way ANOVA, α = 0.05, JMP 9).Back to article page