|
|
Table 3. Yields of crude DNA extracts from bulk and rhizosphere soil samples. |
|
Sample |
Methods |
Sampling site 1 |
Sampling site 2 |
Sampling site 3 |
|||
|
Bulk |
Rh |
Bulk |
Rh |
Bulk |
Rh |
||
| 1. |
Hot SDS | Medium |
High |
- |
Low |
Low |
Medium |
| 2. |
Bead beating |
Medium |
Medium |
Low |
Medium |
Low |
Low |
| 3. |
Liquid N2 |
Low |
Medium |
- |
Low |
Low |
Low |
| 4. |
Hot
SDS+bead |
High |
High |
Medium |
High |
High |
High |
Low: <1.0 μg. |
|
|