Table 2 Media used for the pH test
From: Screening and optimisation of in vitro pollen germination medium for sweetpotato (Ipomoea batatas)
Treatment | pH | Sucrose (g/L) | Polyethylene glycol 4000 (PEG4000) (g/L) | Boric acid (mg/L) | Calcium nitrate (mg/L) | Germination rate (%) |
|---|---|---|---|---|---|---|
pH medium 1 | 4.5 | 50 | 100 | 100 | 200 | 24.1 ± 10.9 |
pH medium 2 | 5.0 | 50 | 100 | 100 | 200 | 30.1 ± 6.3 |
pH medium 3 | 5.5 | 50 | 100 | 100 | 200 | 52.4 ± 3.7* |
pH medium 4 | 6.0 | 50 | 100 | 100 | 200 | 66.9 ± 4.7* |
pH medium 5 | 6.5 | 50 | 100 | 100 | 200 | 53.6 ± 5.2* |