The Effect of Irrigation in the Different Development Periods on Yield and Yield Components in Safflower (Carthamus tinctorius L.)

This study was conducted to determine the effects of the yield and yield components of some safflower cultivars of irrigation in different development periods. Six safflower (Carthamus tinctorius L.) cultivars (Remzibey, Balci, Dincer, Ayaz, Linas and Olas) were used as a material. Irrigation was done the stem elongation, pre- flowering, and post- flowering. This study investigated the effects of irrigation at different developmental stages on the yield and yield components of safflower cultivars. The highest plant height (47.30 cm), number of branches (4.3), number of heads (5.4), and oil ratio (32.92%) were obtained from the cv. Olas. The highest 1000-seed weight was recorded in cv. Dinçer. Irrigation applied after flowering and during stem elongation significantly increased plant height, number of branches, heads per plant, 1000-seed weight, and seed yield. However, oil ratio remained unaffected by irrigation treatments.