gesting the protection of the major component by the AMF. The
EO of lemon grass plants that were inoculated with AMF presented
19.22% linalool oxide. However, under increased Pb levels in the
soil, linalool oxide content decreased to 2.07% (Table 2).
The citral was a major component of the EO in the absence of
AMF and Pb levels in the soil (45.08%). However, the citral production
decreased to trace under the increasing levels of Pb in the
soils without AMF (Table 2). The AMF inoculation did not affect
the production of citral. High levels of citral and geranial are economically
importantto the aroma and perfume industries (Barbosa
et al., 2008). Moreover,the synthesis of ionone and vitamin A is also
accomplished with citral (Lemos et al., 2013).
Geranial has a strong lemon aroma. It is an aromatic substance
widely used in the perfume industry because the citric aroma and is
also used in the food industry to complement the EO from lemons.
Geranial alsohas antimicrobial and insecticide benefits that create a
pheromone effectin insects. Some industries have a high interestin
this type of substance;itis worth investing in theAMFmanagement
to increase the production of citral and geranial with lemon grass
(Robacker and Hendry, 1977; Onawunmi, 1989).