COMPARISON OF OXGALL, CRYSTAL VIOLET, STREPTOMYCIN, AND PENICILLIN AS BACTERIAL GROWTH INHIBITORS IN PLATINGS OF SOIL FUNGI

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Abstract
Oxgall in concn. of 1/100 and 1/40 compared favorably with crystal violet dye, dihydrostreptomycin sulfate, and penicillin G in suppressing development of bacteria in soil platings. Crystal violet dye was less effective in suppressing bacteria than were the other antibacterial substances at the concns. employed. Bacteria in rhizosphere soil were evidently affected by these antibacterial substances to about the same degree as were those in control soil.