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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 3 g/l (fungicide) 3.8d 90.0 5.0c 66.7
Control 2.0e 0.0 3.0d 0.0
  1. *Means in a column followed by the same letter are not significantly (P ≤ 0.05) different according to DNMRT