Disease Investigation and Pathogen Identification on Velvet Bean (Mucuna pruriens) in Guangxi

Authors Ye Yunfeng; Fu Gang; Jiang Ni; Liu Wei; Hu Fengyun

Journal Chinese Journal of Tropical Crops , 2013,3:34

Abstract Velvet bean (Mucuna pruriens) is a kind of special medicinal plants grown in Guangxi. In recent years, some diseases were appeared on this plant and caused quality and yield loss. The diseases were investigated in 2012 in major planting areas of Guangxi. The pathogens were identified based on morphological characteristics and ITS DNA sequences analysis. Four diseases, brown spot, anthracnose, stem canker and spot blight were found, which were caused by Colletotrichum gloeosporioides, Phomopsis sp., Alternaria sp. and Pseudocercospora sp. respectively. The diseases incidences was ranged from 30% to 80%.