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]. |
|