Table 2.
Antifungal activity in membrane assays.
| PDA | PDA plus acetamide | ||||
|---|---|---|---|---|---|
| Cellophane | Dialysis | Cellophane | Dialysis | ||
| R. solani | T34 | 48.25 ± 8.17a | 36.10 ± 7.05a | 56.87 ± 3.75a | 21.41 ± 3.43a |
| amdS6 | 55.50 ± 4.10a | 42.81 ± 5.06a | 38.44 ± 8.17b | 15.02 ± 7.34a | |
| amdS122 | 55.26 ± 3.64a | 48.56 ± 6.23a | 28.75 ± 7.21b | 4.79 ± 1.98b | |
| B. cinerea | T34 | 74.31 ± 7.17a | 66.26 ± 2.67a | 76.09 ± 3.95a | 69.85 ± 0.73a |
| amdS6 | 65.47 ± 3.22a | 67.72 ± 2.97a | 44.29 ± 8.28b | 35.50 ± 7.99b | |
| amdS122 | 69.89 ± 2.20a | 67.23 ± 0.80a | 48.37 ± 5.52b | 31.72 ± 7.60b | |
| F. oxysporum | T34 | 34.62 ± 6.50b | 23.74 ± 4.75b | 46.03 ± 3.24a | 32.79 ± 5.68a |
| amdS6 | 50.64 ± 1.28a | 40.91 ± 4.18a | 35.98 ± 3.07b | 15.57 ± 6.76b | |
| amdS122 | 58.55 ± 4.98a | 35.86 ± 4.30a | 31.59 ± 3.16b | 14.75 ± 6.56b | |
Percentages of growth inhibition of R. solani, B. cinerea, and F. oxysporum by T. harzianum wild type (T34), and amdS transformants (amdS6 or amdS122) grown on cellophane or dialysis membranes on PDA or PDA plus 10 mM acetamide plates.
Values are the means of three biological replicates. For each pathogen, type of membrane, and medium, values followed by different letters in each column are significantly different (P < 0.05).