Isolates

Growth of actinomycetes at 5% crude oil concentration cfu/ml

pH

5.5

6.5

7.5

8.5

9.5

Streptomyces sp1

4.44

6.63

7.77

6.60

4.59

Streptomyces sp2

2.45

7.48

7.71

6.51

5.15

Streptomyces sp3

3.36

6.39

7.63

5.36

6.26

Nocardia sp2

3.40

6.42

7.45

7.47

5.30

Nocardia sp1

3.39

7.40

7.59

5.43

5.21

Rhodococcus fascians

3.46

6.46

7.68

5.47

5.32

Table 4: Effect of pH on growth of actinomycetes at 5% hydrocarbon (Crude oil).