ABSTRACT A series of laboratory tests were conducted to investigate potential effects of fungus gnat (Bradysia impatiens) feeding damage on susceptibility of geranium seedlings (Pelargonium x hortorum) to infection by the root rot pathogen Pythium aphanidermatum. Effects were compared with those from similar tests in which the seedlings were mechanically wounded by severing the root tip with a ...

Euclea natalensis A.DC., Knowltonia vesicatoria (L.f) Sims, and Pelargonium sidoides DC. are South African plants traditionally used to treat tuberculosis. Extracts from these plants were used in combination with isoniazid (INH) to investigate the possibility of synergy with respect to antimycobacterial activity. The ethanol extract of K. vesicatoria was subjected to fractionation to identify t...

Óleos essenciais são extratos aromáticos altamente concentrados e voláteis obtidos através de plantas. O presente trabalho buscou otimizar informações sobre o potencial econômico terapêutico tais produtos no Brasil. Através da revisão literatura atualização dos dados comerciais existentes, foi possível identificar estudos científicos relevantes que foram selecionados em buscas nas bases eletrôn...