Table 1.
Phytotoxic activity of crude extracts (stem bark and leaves) and its fractions
| Test Sample | No. of fronds (3 fronds per plant) |
Sample conc. (µg/mL) | Stem bark | Leaves | ||||
|---|---|---|---|---|---|---|---|---|
| No. of died fronds | % Growth Inhibition | No. of died fronds | % Growth Inhibition |
|||||
| MESD | 20 20 20 |
10 100 1000 |
01 02 09 |
05 10 45 |
05 07 14 |
25 35 70 |
||
| n-Hexane | 20 20 20 |
10 100 1000 |
03 04 07 |
15 20 35 |
03 05 16 |
15 25 80 |
||
| DCM | 20 20 20 |
10 100 1000 |
04 05 06 |
20 25 30 |
02 04 12 |
10 20 60 |
||
| Ethylacetate | 20 20 20 |
10 100 1000 |
03 04 20 |
15 20 100 |
02 03 17 |
10 15 85 |
||
| n-Butanol | 20 20 20 |
10 100 1000 |
01 04 16 |
5 20 80 |
04 07 17 |
20 35 85 |
||
| Aqueous | 20 20 20 |
10 100 1000 |
02 03 04 |
10 15 20 |
03 06 14 |
15 30 70 |
||
Notes: MESD: methanolic extract of Sterculia diversifolia; DCM: dichloromethane.