Table 2. Times growth1 of Trichoderma harzianum strains in type A (a) and type B (b) soil at 22ºC and 5ºC.


(a)

Days

Mutant strains

Wild strains

Th 12A 10.1

Th 11A 80.1

Th 11C 40.1

Th650-NG7

Th 12

Th 11

Th 650

22ºC

90

9.8

9.3

9.4

8.3

8.7

9.3

8.4

120

41.8

36.9

32.4

46.8

43.0

77.6

57.3

180

2.8

32.1

56.5

50.4

97.8

216.5

72.7

5ºC

90

10.0

10.0

10.0

9.7

10.4

10.0

10.1

120

96.3

97.1

91.1

84.2

95.1

91.0

90.8

180

101.2

71.0

95.0

143.5

158.2

896.6

130.7

(b)

Days

Mutant strains

Wild strains

Th 12A 10.1

Th 11A 80.1

Th 11C 40.1

Th650-NG7

Th 12

Th 11

Th 650

22ºC

90

10.3

12.3

24.6

24.4

161.5

368.8

17.5

120

25.5

13.5

37.4

40.7

281.5

724.1

37.0

180

21.3

14.1

123.9

63.5

515.0

1266.3

47.1

5ºC

90

12.8

15.5

44.9

33.7

38.5

397.5

18.2

120

61.0

38.0

86.6

80.4

115.6

584.3

106.6

180

101.2

70.1

93.7

154.8

169.5

1069.0

124.8

1/ Times growth represents [cfu/g soil recovered at each period of storage/ cfu inoculated into vials].


Supported by UNESCO / MIRCEN network