Species

Day 4

Day 8

Day 12

Trichoderma sp

22.58^bc*

33.83^d

42.97^d

T. viride

17.13^e

54.40^b

63.02^b

T. polysporum

19.24^de

40.86^c

64.07^b

T. pseudokoningii

20.12^cd

53.17^b

64.07^b

A. niger strain BCCF194

26.62^a

56.16^b

73.92^a

A. niger strain Korbe 0909

23.28^b

60.91^a

76.73^a

A. niger strain A1601

20.82^bcd

34.89^d

51.41^c

Control (no isolate)

14.31^f

17.30^e

19.76^e