Effect of Commercial Cyanobacteria Products on the Growth and Antagonistic Ability of Some Bioagents under Laboratory Conditions

Table 4

Effect of Weed-Max and Oligo-X on the antagonistic ability of bacteria and yeast against some soil-borne pathogenic fungi in vitro.

Pathogenic fungi

Antagonistic bacteria and yeast

B. subtilis

P. fluorescence

S. cerevisiae

Weed-Max concentrations (%)

0.0

0.5

1.0

2.0

0.0

0.5

1.0

2.0

0.0

0.5

1.0

2.0

A. solani

73^a

55^c

48^d

32^e

73^a

60^b

53^c

30^e

67^b

48^d

27^f

0^h

F. solani

64^b

45^d

31^e

0^h

64^b

52^c

47^d

0^h

62^b

51^c

32^e

0^h

F. oxysporum

68^b

48^d

29^f

0^h

68^b

59^c

50^c

0^h

65^b

50^c

33^e

0^h

R. solani

69^b

42^d

32^e

0^h

69^b

51^c

48^d

0^h

69^b

47^d

26^f

0^h

S. rolfsii

68^b

47^d

38^e

0^h

68^b

50^c

45^d

0^h

64^b

38^e

18^g

0^h

S. sclerotiorum

70^a

33^e

25^f

0^h

70^a

45^d

39^e

0^h

63^b

42^d

16^g

0^h

S. minor

66^b

29^f

20^f

0^h

66^b

44^d

35^e

0^h

70^b

36^e

20^f

0^h

Oligo-X concentrations (%)

A. solani

73^∗a

58^c

48^d

35^e

73^a

59^c

47^d

34^e

67^b

48^d

42^d

0^h

F. solani

64^b

25^f

20^f

0^h

64^b

35^e

32^e

0^h

62^b

46^d

36^e

0^h

F. oxysporum

68^b

35^e

30^e

25^f

68^b

48^d

41^d

30^e

65^b

45^d

44^d

0^h

R. solani

69^b

48^d

39^e

0^h

69^b

45^d

40^d

29^f

69^b

50^d

47^d

17^g

S. rolfsii

68^b

25^f

16^g

15^g

68^b

35^e

24^f

20^f

64^b

49^d

37^e

15^g

S. sclerotiorum

70^a

15^g

0^h

0^h

70^a

25^f

15^g

0^h

63^b

41^d

35^e

18^g

S. minor

66^b

61^b

0^h

0^h

66^b

33^e

22^f

0^h

70^b

40^d

33^e

22^f

Mean values within columns followed by the same letter are not significantly different (𝑃≤0.05).
*Linear fungal growth (mm).