First report of leaf spot disease on sugarcane caused by Bipolaris spicifera in China

摘要

A new leaf spot disease of sugarcane caused by Bipolaris spicifera was found for the first time at Luoman town of Liuzhou city, Guangxi Zhuang Autonomous Region, China in 2011. Three pathogenic isolates were obtained and their pathogenicity was confirmed respectively. The pathogenic isolates were identified as B. spicifera based on conidial morphology and rDNA-ITS (internal transcribed spacer) sequences comparison. This is the first report of B. spicifera causing leaf spot on sugarcane in China.