Research Article

Effects of Salinity, Temperature, and Polyethylene Glycol on the Seed Germination of Sunflower (Helianthus annuus L.)

Figure 4

Final germination percentage of DX (a and d), SDM (b and e), and LK (c and f) in NaCl and PEG solutions at alternating temperature regimes. 10 : 20 (black bar), 15 : 25 (white bar), and 20 : 30°C (grey bar).