Tolerance of Chemoorganotrophic Bioleaching Microorganisms to Heavy Metal and Alkaline Stresses

Figure 9

Comparison of growth of Aspergillus niger inoculated on potato dextrose agar plates after batch incubation of 10 days in (a) blank medium (normal growth) and (b) medium containing 100 ppm Cd(II) (0.9 mM).

(a)

(b)