GC-MS profiling, antifeedant, nematicidal and phytotoxic effects of essential oils of two subspecies of (Maiden) Maiden.

This work presents the biocidal effects and chemical compositions of two essential oils (EOs) obtained by hydrodistillation of subsp and subsp. . The two subspecies studied had different chemical composition, when analysed by gas chromatography coupled to mass spectrometry with 1,8-cineole (56.