Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2003 by Universidad Católica de Valparaíso -- Chile
Vol. 6 No. 2, Issue of August 15, 2003
 


Table 1. Pre-evaluation of antagonistic properties of bacteria isolated from soil and rhizoplane of healthy and diseased tomato plants, collected at  V Region - Chile, on R. solani, isolate 618, AG 4.

Potential antagonistic bacteria Isolate Nē

R. solani radial growth1 (mm)

% Inhibition of R. solani radial growth

Control

30.00 a2

0.00

133

30.00 a

0.00

140

30.00 a

0.00

559

30.00 a

0.00

133

30.00 a

0.00

137

30.00 a

0.00

139

29.88 a

0.42

459

29.78 ab

0.75

132

29.78 ab

0.75

138

29.38 abc

2.08

137

29.18 abcd

2.75

130

29.15 abcd

2.83

136

28.80 abcd

4.00

121

28.58 bcd

5.92

135

28.18 cde

6.09

141

28.10 de

6.33

111

28.00 de

6.67

457

27.13 e

9.58

639

20.55 f

31.50

629

19.65 f

34.50

640

19.60 f

34.67


1 Growth of R. solani in PDA during 72 hours at 22ēC.
2 Different letters represent significant differences in the Duncan's Multiple Range Test (p
0.05).


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