Skip to main content

Table 4 Effect of different CdCl2 Conc. On the colony area and growth rate (kd) of A. niger and A. terreus On PDA medium

From: Adaptability assessment of Aspergillus niger and Aspergillus terreus isolated from long-term municipal/industrial effluent-irrigated soils to cadmium stress

Cd conc. (mg/kg)

A. niger

A. terreus

Colony area (cm)

5 days

Growth rate (kd)

Colony area (cm)

10 days

Growth rate

(kd)

Colony area

(cm)

5 days

Growth rate

(kd)

Colony area

(cm)

10 days

Growth rate

(kd)

0

8.20 ± 0.216a

1.64

8.20 ± 0.216a

0.82

7.03 ± 0.186a

1.40

8.20 ± 0.216a

0.82

50

4.70 ± 0.124b

0.94

8.20 ± 0.216a

0.82

2.56 ± 0.067b

0.51

8.20 ± 0.216a

0.82

100

3.86 ± 0.102c

0.77

8.20 ± 0.216a

0.82

0.43 ± 0.011c

0.08

0.43 ± 0.011d

0.04

150

3.70 ± 0.097c

0.74

3.70 ± 0.097b

0.37

0.40 ± 0.010c

0.08

0.40 ± 0.010d

0.04

200

3.06 ± 0.081d

0.72

3.06 ± 0.081c

0.30

0.40 ± 0.010c

0.08

1.56 ± 0.041b

0.15

250

2.26 ± 0.059e

0.45

2.26 ± 0.059d

0.22

0.16 ± 0.004d

0.03

0.16 ± 0.004de

0.01

300

0.90 ± 0.023f

0.19

0.90 ± 0.023e

0.09

0.56 ± 0.014c

0.11

1.03 ± 0.027c

0.01

350

0.60 ± 0.015 g

0.12

0.60 ± 0.015f

0.06

0d

0

0e

0

400

0.50 ± 0.013 g

0.1

0.50 ± 0.013f

0.05

0d

0

0e

0

450

0 h

0

0 g

0

0d

0

0e

0

  1. *The data in the table was mean ± standard error of the means (N = 3). Letters indicate statistical significance at p ≤ 0.05 level