Table 2 Media used for boric acid concentration test
Boron medium 0 | Boron medium 1 | Boron medium 2 | Boron medium 3 | Boron medium 4 | |
|---|---|---|---|---|---|
Sucrose | 16% | 16% | 16% | 16% | 16% |
Boric acid | 0 | 0.01% | 0.02% | 0.03% | 0.04% |
Calcium nitrate | 0.007% | 0.007% | 0.007% | 0.007% | 0.007% |
pH | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
Median germination | 0%a | 43.6% | 33% | 41.4% | 20.8%a |