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Table 5 Inhibitory activity of biocontrol agents against incidence of bacterial soft rot disease on potato tubers when artificially inoculated in vivo tests

From: Biological control of Pectobacterium carotovorum subsp. carotovorum, the causal agent of bacterial soft rot in vegetables, in vitro and in vivo tests

Biocontrol agents Soft rot incidence (weight losses%) at weeks
1 2 3 4 5 6 7 8 9 10 11 12
Bacterial agents
Bacillus subtilis 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6.0 12.2 12.2
Bacillus pumilus 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Bacillus megaterium 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5.1 5.1 12.5 12.5
Pseudomonas fluorescens 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.5 4.5
Fungal agents
Trichoderma harzianum 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8.0 21.9
Trichoderma viride 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.2 3.2 3.2 3.2 3.2
Trichoderma virens 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.2 3.2 3.2 3.2 3.2
Pathogen only
P. c. subsp. carotovorum only 5.5 16.4 43.7 50.7 83.0 83.0 83.0 83.0 83.0 83.0 83.0 83.0
  1. L.S.D. 0.05 Bioagent (B) = 1.4 weeks (W) = 1.7 B × W = 4.7
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