Skip to main content

Table 1 Qualitative and quantitative determination of the biofilm formation by Bacillus isolates

From: Potential exploitation of Bacillus flexus biofilm against the cowpea weevil, Callosobruchus maculatus (F.) (Coleoptera: Bruchidae)

Sample no.

No. of isolates

CRA

OD 570 nm

1

1

-

0.050

2

-

0.031

3

+

0.143

4

-

0.062

2

5

-

0.027

6

-

0.045

7

-

0.043

8

+

0.165

3

9

-

0.084

10

-

0.092

11

++

0.298

12

-

0.056

4

13

++

0.433

14

-

0.041

15

++

0.312

16

++

0.344

17

-

0.061

18

-

0.055

19

-

0.021

5

20

-

0.031

21

-

0.041

22

+

0.138

23

-

0.077

24

-

0.068

6

25

+

0.240

26

-

0.066

27

-

0.054

28

-

0.087

29

+

0.211

30

-

0.059

  1. OD < 0.120 = No biofilm; OD 0.120:0.240 = Moderate; OD > 0.240 = Strong
  2. CRA Congo red agar