Fig. (8) The colony growth of Ralstonia solanacearum isolate ‘Rs.01.11’ from eggplant and ‘Rs. 09-94’ from chilli on KM-TTC (peptone) formulations 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. Upper two rows in a plate show ‘Rs.01.11’ and the lower two rows ‘Rs. 09-94’. Considerable differences in the extent of colony growth and pigmentation as documented on day 2 in front view of open plates.