Table 5 Effect of antagonistic bacteria and chemical fungicide on peroxidase and chitinase activities of strawberry plants in the field
From: Native bacteria for field biocontrol of black root rot in Egyptian strawberry
Antagonistic bacterial isolates | Enzyme activities | |||
|---|---|---|---|---|
Peroxidase | Chitinase | |||
Activity | Increase % | Activity | Increase % | |
Paenibacillus polymyxa 1 | 4.6a | 130.0 | 7.0a | 133.3 |
P. polymyxa 2 | 4.9a | 145.0 | 7.2a | 140.0 |
P. polymyxa 3 | 3.8d | 90.0 | 6.4b | 113.3 |
Bacillus brevis 1 | 4.2bc | 110.0 | 6.0b | 100.0 |
B. brevis 2 | 4.8a | 140.0 | 7.1a | 136.7 |
B. brevis 3 | 4.0cd | 100.0 | 6.1b | 103.0 |
Actamyl 3Â g/l (fungicide) | 3.8d | 90.0 | 5.0c | 66.7 |
Control | 2.0e | 0.0 | 3.0d | 0.0 |