Figure 1
From: The first crop plant genetically engineered to release an insect pheromone for defence

Gas chromatography (GC) analysis of volatiles released from transformed wheat plants 71 days after sowing:
(upper trace) B2812 R9P1 possessing the EβfS gene alone, (lower trace) B28203 R6P1 possessing EβfS and FPPS , both with plastidial targeting sequence,. 1 = myrcene, 2 = (E)- β-farnesene (Eβf). Note different scales on y-axis.