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

Figure 5

The relationship between rate of germination and the water potential under different temperature regimes in DX (a), SDM (b), and LK (c). Dotted line: 10–20^°C NaCl (∙) and PEG (∘); short dash line: 15–25^°C NaCl (▼) and PEG (▽); solid line: 20–30^°C NaCl (■) and PEG (□).

(a)

(b)

(c)