alpha-difluoromethylornithine ( dfmo ) , a specific and irreversible inhibitor of the polyamine biosynthetic enzyme ornithine decarboxylase , effectively inhibits mycelial growth of several phytopathogenic fungi on defined media in vitro and provides systemic protection of bean plants against infection by uromyces phaseoli l. race 0 ( mv rajam , aw galston 1985 plant cell physiol 26 : 683-692 ;
C0002260
alpha-difluoromethylornithine
C0029282
ornithine decarboxylase