Fig. (5)  Colony growth of Ralstonia solanacearum ‘NH-Av01’ on KM-TTC with peptone belonging to different brands, types or lots. P1-P19 represents 19 different KM-TTC (peptone) formulations with different brands and lots as in Table 2 and P20 represents CPGA control. Considerable differences in the extent of colony growth and pigmentation observed as documented on day 2 in rear view (a) or in front view (b).