TABLE 2.
Colonization of bulk soil by P. putida CMC4 and EEZ32 in the autumn-winter outdoor assaya
| Strain | Presence of 3-methylbenzoate | CFU/g of soil after:
|
||
|---|---|---|---|---|
| 40 days | 60 days | 100 days | ||
| Control strain EEZ32 | + | 104 | 3 × 104 | 103 |
| − | 103 | 103 | 3 × 103 | |
| Contained strain CMC4 | + | 5 × 103 | 102 | 6 × 102 |
| − | 103 | <102 | <102 | |
a
The conditions were the conditions described in the legend to Fig. 4 except that the bacteria in the bulk soil were counted at the times indicated. The values are the averages of values for duplicate samples counted in triplicate, and the standard deviations were on the order of 10% of the values given.