Table 1. Elicitation of peroxidase activity (x 106 U L-1) using dry cell powders (DCPs) and culture filtrates (CFs) of fungi. Each value is the mean ± standard error of six replicates. |
Dry cell powders (DCPs) |
Time of elicitor addition (day) |
Culture filtrates (CFs) |
Time of elicitor addition (day) |
|||||
|
Treatment |
15 |
18 |
20 |
Treatment |
15 |
18 |
20 |
Control* |
2.75 ± 0.05 |
2.85 ± 0.03 |
2.80 ± 0.04 |
Control* |
2.75 ± 0.05 |
2.85 ± 0.03 |
2.80 ± 0.04 |
|
parasiticus |
0.10 |
4.15 ± 0.12ef |
2.30 ± 0.21e |
7.40 ± 0.32b |
1.0 |
5.20 ± 0.21bc |
6.58 ± 0.23c |
3.77 ± 0.16e |
0.25 |
3.80 ± 0.23 ef |
2.55 ± 0.12e |
5.15 ± 0.21de |
2.5 |
5.63 ± 0.22b |
6.93 ± 0.32bc |
6.63 ± 0.24cb |
|
0.50 |
5.95 ± 0.22cd |
6.55 ± 0.41a |
3.95 ± 0.10ef |
5.0 |
6.58 ± 0.34a |
8.47 ± 0.21a |
5.88 ± 0.35c |
|
niger |
0.10 |
2.40 ± 0.23ef |
6.53 ± 0.38a |
2.53 ± 0.12g |
1.0 |
3.74 ± 0.12cd |
6.02 ± 0.05cd |
6.46 ± 0.31cb |
0.25 |
7.51 ± 0.10 b |
4.90 ± 0.15bc |
5.55 ± 0.31d |
2.5 |
4.20 ± 0.24cd |
5.20 ± 0.21de |
6.93 ± 0.21b |
|
0.50 |
7.05 ± 0.23bc |
4.79 ± 0.12bc |
6.60 ± 0.23c |
5.0 |
6.08 ± 0.32ab |
3.21 ± 0.34fg |
7.50 ± 0.20ab |
|
P. notatum |
0.10 |
7.66 ± 0.41b |
6.25 ± 0.31ab |
8.45 ± 0.41a |
1.0 |
3.30 ± 0.10de |
7.76 ± 0.42ab |
5.96 ± 0.32c |
0.25 |
4.20 ± 0.21ef |
3.40 ± 0.23d |
5.67 ± 0.21d |
2.5 |
4.48 ± 0.15c |
6.00 ± 0.12cd |
8.02 ± 0.25a |
|
0.50 |
4.15 ± 0.10ef |
2.18 ± 0.05ef |
5.13 ± 0.23de |
5.0 |
4.29 ± 0.23c |
5.99 ± 0.11cd |
8.19 ± 0.21a |
|
R. oligosporus |
0.10 |
5.55 ± 0.23cd |
1.90 ± 0.25ef |
4.30 ± 0.12e |
1.0 |
3.63 ± 0.14d |
4.84 ± 0.15de |
8.19
± |
0.25 |
8.51 ± 0.22a |
3.40 ± 0.03d |
5.55 ± 0.34d |
2.5 |
5.60 ± 0.51b |
6.65 ± 0.10c |
6.52 ± 0.11cb |
|
0.50 |
1.70 ± 0.04g |
2.35 ± 0.08e |
2.25 ± 0.23g |
5.0 |
4.11 ± 0.21cd |
4.17 ± 0.09ef |
7.28 ± 0.05ab |
*Simultaneous controls for each treatment were used. However, control data of all the experiments were averaged to minimise error. Mean ± SE followed by the same letter within the column are not statistically significant at p ≤ 0.05 according to ANOVA. |
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