Behavior-modulating plant volatile chemical for aphids

4-methylthio-3-butenyl isothiocyanate, a volatile component of Raphanus sativus leaf, was found to attract Myzus persicae in the olfactometer and the field and significant differences were found at 0.001 and 0.01 level when compared with control. The compound was identified by GC, GC-MS and NMR.