Fig. (13) Effect due to different peptone sources in KM-TTC medium during antagonistic assayagainst Ralstonia solanacearum in agar-well diffusion assay. KM-TTC / CPGA medium prepared with different peptone formulations, plated with the isolate ‘NH-Av01’, and inoculated with 50 µl A600 culture of Enterobacter sp. (lower left) and Pseudomonas sp. (lower right) showing differences in the evenness of lawn, fluidity of culture and the extent or the clarity of clear-zone. Upper row shows distilled water and null controls. P1 to P20 as per Table 2.