Abstract: The experiment was conducted in Kahramanmaraş Sütcü Imam University, in the laboratory of the plant protection department, Faculty of Agriculture. On 14 Feb 2020 to 27 Feb 2020. The experiment tested 8 treatments (chemical and biological) using seeds from three different ages. Dodder (Cuscuta campestris) seeds were planted in Petri dishes by using double filter paper (Whatman Filter paper) where 30 dodder seeds were put in each Petri for each treatment in CRD design with three replications.