Table 4. Effect of volatile antibiotics secreted by B. lentimorbus and by B. subtilis on radial growth of R. solani.

R. solani Isolate Nē

Antagonistic bacteria

B. lentimorbus 629

B. subtilis 639

B. lentimorbus 640

Growth1 of R. solani (mm)

% Inhibition

Growth1of R. solani (mm)

% Inhibition

Growth1 of R. solani (mm)

% Inhibition

509 (AG 2-1)

16.50 c A

44.93

19.29 c A

35.68

17.28 c A

42.38

554 (AG 4)

23.93 a A

20.23

23.57 a A

21.43

23.73 a A

20.90

617 (AG 4)

21.89 ab A

27.03

21.14 bc AB

29.55

20.09 ab B

33.03

618 (AG 4)

20.61 b A

31.30

22.04 ab A

26.55

19.10 bc A

36.33


1 Growth of R. solani was evaluated after 72 hours at 22ēC in PDA medium.
Different letters in columns and different capital letters in rows represent significant differences in the Duncan's Multiple Range Test (p
0.05).


Supported by UNESCO / MIRCEN network