attract pollinators (Caissard et al.,
2004), or can act as a deterrent (Hummelbrunner and Isman,
2001; Wheeler and Isman, 2001; Ibrahim et al., 2001) to
protect plants from insects and animals. It is well known
that monoterpenes stored in reservoirs serve as constitutive or inducible defenses (Gershenzon and Croteau, 1993).