TABLE 4.
Germination of seeds and growth of stems and roots of seedlings of a grass mixture treated with different concentrations of extract of Nostoc strain ATCC 53789a
| Characteristic | Value for:
|
|||
|---|---|---|---|---|
| Control | Extract
|
|||
| 1 g liter−1 | 10 g liter−1 | 100 g liter−1 | ||
| Germination | ||||
| No. of germinated seeds | 13.7 ± 1.5a | 12.0 ± 0.0a | 12.5 ± 0.7a | 13.5 ± 2.1a |
| Stems | ||||
| Height (cm) | 7.6 ± 4.3a | 2.5 ± 1.9 | 2.7 ± 2.0 | 5.1 ± 2.8a |
| Roots | ||||
| Length (cm) | 1.6 ± 0.9 | 0.2 ± 0.1 | 0.2 ± 0.1 | 0.2 ± 0.1 |
a
Evaluation was made at the end of the test (day 39). Within each row, the letter beside the mean ± standard deviation values indicates nonsignificant difference between the data (P > 0.05) by ANOVA.