Fig. 1.

Protection of volatile-exposed plants in the field (experiment 1). (Left) Representative gas chromatic profiles of headspaces of tendrils exposed to herbivore-induced emitter tendrils (VOCs) and to undamaged emitters (C). (Right) Development of leaf number, herbivory (percent missing leaf area), and percentage of living shoot tips (means ± SE) during the experiment (August 26 until September 15). Asterisks indicate significant differences (P < 0.05 according to Wilcoxon pair test) between C and VOC tendrils. See SI Fig. 5 for detailed results of headspace analyses and Table 1 for identity of volatile compounds.