Biological control of soybean rust with Trichothecium roseum

Glasshouse trials were conducted to determine the efficacy of Trichothecium roseum in controlling soybean rust. The trials were conducted by either post or pre inoculation technique. For post inoculation technique mycelial suspension of Trichothecium roseumwas applied after initiation of rust pustules on leaf surface. For pre inoculation technique mycelial suspension of Trichothecium roseum was mixed with the spore suspension of Phakopsora pachyrhizi and the mixed suspension was then sprayed on healthy soybean plants. Both the treatments effectively controlled soybean rust.