Peranan Pseudomonas Fluorescens MR 96 Pada Penyakit Layu Fusarium Tanaman Pisang

. Pseudomonas fluorescens MR 96 was reported of its ability to suppress fusarium wilt on banana plants, but the mechanism of the disease suppresion was not known. The aim of this research was to know the mechanism of P. fluorescens in controlling the disease on banana plants. The research was held in greenhouse of Indo- nesian Fruit Research Institute in Solok, from January until December 2001. The results of the research showed that P. fluorescens controlled the disease with resistance induction in banana plant and antibiosis mechanism, and the an- tagonistic bacteria affected the plant development. Beside that, effectiveness of the bacteria to control F. oxysporum f.sp. cubense was not affected by soil type in rizosphere, but wilt disease and banana plants growth were affected by soil type