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.