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Egyptian Journal of Biological Pest Control

Table 2 Effect of bio-agent treatments on powdery mildew disease severity (DS %) and area under disease progress curve (AUDPC) of squash plants

From: Biological control of Podosphaera xanthii the causal agent of squash powdery mildew disease by upregulation of defense-related enzymes

Treatments

Diseases severity (DS %)

AUDPC

Days after application

Efficiency %

Zero time

5 days

10 days

15 days

Control

33.24 a

46.23 a

58.95 a

78.25 a

–

643.54 a

Fungicide

12.26 fg

18.13 ef

23.11 d

27.44 e

64.93

244.31 fg

T. harzianum

17.11 de

26.14 d

33.93 c

44.87 cd

42.65

364.05 e

T. viridi

22.43 bc

29.15 cd

34.89 c

46.02 cd

41.18

391.29 de

B. subtilis

10.04 g

14.15 f

21.54 d

30.83 e

60.61

225.61 g

B. chitinosporus

25.24 b

31.92 bc

38.24 c

49.18 cd

37.15

429.44 cd

B. megaterium

14.66 ef

20.92 e

24.02 d

36.41 de

53.46

277.31 f

B. pumilus

9.09 g

16.12 ef

20.93 d

30.24 e

61.35

226.87 g

B. polymexa

20.52 cd

29.11 cd

38.01 c

55.49 bc

29.08

442.94 c

LSD0.05

3.91

5.00

7.05

13.39

–

45.84

  1. Values are means of three replicates of each treatment
  2. Means values for each parameter followed by different letters are significantly different (P ≤ 0.05), according to Duncan’s multiple range test
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