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tally safe and stable chemical control agents rendering control at very low concentrations have yet to be devel-The objective of this study was to improve IR50, an elite Indica oped. Today, the exploitation of host resistance appears rice line, by molecular breeding approach involving marker-aided 2072

Native strains of Pseudomonasfluorescens exhibited in vitro antibiosis towards isolates of races 1 and 4 ofFusarium oxysporum f.sp. cubense, the Panama wilt pathogen of banana. The seedlings of Musa balbisiana seedlings treated with P. fluorescens showed less severe wilting and internal discolouration due to F. oxysporum f.sp. cubense infection in greenhouse experiments. In addition to suppressing Panama wilt, bacterized seedlings of M. balbisiana also showed better root growth and enhanced plant height.