Tek ve Çok Yıllık Calendula officinalis L. Türlerinin Kültür Şartlarında Karşılaştırılması

The aim of this study was to determine the highest dry flower yield and essential oil content yellow orange flowered annual perennial marigold plants. Annual Calendula officinalis L. plant seeds with obtained from Research Application Center Botanical Garden Herbarium, Ege University were used as a material. experiment established 1000 m2 area Odemis Vocational School field according split-split plot parcel design three replications on 28th March 2016. Flowers harvested when plants in full blossom stage, every ten days. flowers evaluated separately for each harvest. Totally seven harvest done. All fresh weighed after then dried drying cabinet at 30 oC contents by hydro distillation method. yields provided plants; 7.54 kg da-1 7.28 da-1. determined 0.051%, 0.020%. In general, it can be said that is higher than single years.