2004 年 2004 巻 51 号 p. 97-100
Rhizoctonia rot of Christmas-bells (Sandersonia aurantiaca Hook) occurred at Hachijo-island of Tokyo Metropolis in 2003. The pathogen from the diseased plant was identified as Rhizoctonia solani AG-4. An inoculation test confirmed that this fungus was the causal agent of the disease.