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Table 3 Effect of fungal metabolites on the growth of tomato plants inoculated with R. solanacearum under greenhouse conditions (experiment II)

From: Biological control of bacterial wilt in tomato through the metabolites produced by the biocontrol fungus, Trichoderma harzianum

Application time (DBT)

Concentration (%)

Plant height (cm)

Root length (cm)

Fresh biomass (g)

0

0

15.2 ± 1.3 gh

11.1 ± 1.2 g

25.3 ± 2.1 f

3

16.3 ± 2.1 gh

13.2 ± 1.1 fg

25.4 ± 1.7 f

6

18.1 ± 1.8 g

14.3 ± 1.1 f

26.2 ± 2.7 ef

9

22.8 ± 2.1 fg

18.4 ± 1.8 cd

30.3 ± 2.3 de

3

0

16.1 ± 1.7 gh

11.8 ± 2.1 g

26.4 ± 1.6 f

3

27.2 ± 2.3 e

15.3 ± 1.6 ef

29.3 ± 2.1 de

6

33.3 ± 2.6 d

17.1 ± 1.4 d

34.4 ± 2.8 c

9

42.6 ± 3.7 b

22.6 ± 1.8 b

43.2 ± 3.1 b

6

0

15.2 ± 1.1 gh

11.6 ± 1.0 g

24.8 ± 1.8 f

3

32.4 ± 2.8 d

17.4 ± 1.6 de

32.4 ± 2.1 cd

6

40.8 ± 2.5 bc

21.2 ± 2.1 bc

41.1 ± 2.9 b

9

46.6 ± 3.1 a

27.1 ± 2.7 a

56.3 ± 3.2 a

  1. Each value is a mean ± SD. Treatments having significant differences on the basis of LSD test have different lettering within a column. DBT days before transplantation