Seed Germination Enhancement of Two Balanites Species (B. aegyptiaca (L.) Del. and B. rotundifolia (Tiegh.) Blatt.) Using Different Presowing Treatments in Ethiopia

Figure 6

Cumulative germination of B. aegyptiaca under different treatments over days; Ctrl: control, RuSP: rubbed with sandpaper, CW24h: soaked in cold water for 24 hours at room temperature of 25°C, CW48h: soaked in cold water for 48 hours at room temperature of 25°C, HW65d: soaked in hot water at 65°C for 10 minutes and left to cool for 12 hours at room temperature of 25°C, HW75d: soaked in hot water at 75°C for 10 minutes and left to cool for 12 hours at room temperature of 25°C, 98HSO10m: soaked in 98% H₂SO₄ for 10 minutes and subsequent rinsed with water, and 98HSO20m: soaked in 98% H₂SO₄ for 20 minutes and subsequent rinsed with water.