Products of the lipoxygenase/lyase (LOX) pathway such as hexanal, c-3-hexenal, and t-2-hexenal may promote plant pest resistance. The objective of this study was to screen for differences in LOX products among 5 Fragaria species, two selections from each. Volatiles produced upon freezing/thawing leaf disks were measured by capillary GC using a direct headspace sampling technique. The primary volatiles produced were hexanal, c-3-hexenal, and t-2-hexenal. The total yield of each compound and their relative proportions varied among selections. The highest individual yields for hexanal, c-3-hexenal, and t-2-hexenal were observed in F. vesca, F. virginiana, and F. virginiana glauca, respectively. The greatest variation in relative proportion was with c-3-hexenal which ranged from 35% of the total yield in a selection of F. virginiana to 6% in a selection of F. chiloensis. This same selection of F. chiloensis also had the lowest total yield of c-3-hexenal, approximately 25% of the average yield of this compound. F. xananassa produced intermediate yields of the compounds. t-2-Hexenal typically contributed 40-50% of the total yield of each of the screened selections.