Active against Gram-positive bacteria B.megaterium and M.luteus, Gram-negative bacteria E.coli SBS363 and D22, K.pneumoniae, S.typhimurium and P.aeruginosa, yeast C.albicans and filamentous fungi F.culmorum, N.crassa, N.hematococca and T.viridae. Inactive against Gram-positive bacteria B.subtilis, S.pyogenes, B.thuringiensis and S.aureus, Gram-negative bacteria E.cloacae and E.carotovora and filamentous fungus B.bassiana. By bacterial infection.