Abstract
A group of nine Chrysanthemum coronarium L. (Asteraceae) populations were cultivated in southeastern Spain in 1998 to study the effect of fertilizer application on yield of flowerheads and essential oil composition. A flowerhead yield increase was obtained in fertilized plots although this was not the case for essential oil content. Camphor was the main compound identified in this oil (13.9–26.9%) and it was contained in higher amount (2.32–5.47% more) when the flowerheads came from fertilized plants. The accumulation of germacrene D in the oil, on the other hand, was negatively affected by the fertilization treatment.
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