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
% (w/v)

15

18

20

Treatment
% (v/v)

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 ± 0.27 a

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.

Supported by UNESCO / MIRCEN network