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Table 5 Effect of some bio-agents treatments on biochemical changes of powdery mildewed cucumber plants after 6 days from inoculation

From: Biological control of cucumber powdery mildew (Podosphaera xanthii) (Castagne) under greenhouse conditions

Treatments

Peroxidase (enzyme unit/mg protein/min)

Polyphenol oxidase (enzyme unit/mg protein/min)

Total phenols (μg GAE/g fresh weight)

T. harzianum

155.3abc

83.3d

47.3bc

T. viride

169.3ab

84.3cd

49.7bc

B. subtilis

228.3a

127.7a

58.3ab

P. polymyxa

187.7ab

119.3ab

68.7a

S. marcescens

180.0ab

111.7abc

52.7bc

Fungicide

149.7bc

96.3bc

45.3c

Control

81.7c

52.7e

24.7d

  1. Values assigned to similar letters are not significantly different (P ≤ 0.05) according to Duncan’s multiple range test