Halo Blight of Mungbean in Australia

Halo blight, one of the major diseases mungbean, is caused by bacterium Pseudomonas savastanoi pv. phaseolicola. The pathogen infects foliar parts plant, causing water-soaked spots that eventually develop surrounding yellow margins. disease particularly destructive under moderate temperature and high humidity, especially when it occurs during late vegetative through to early reproductive stage. In such conditions, severely infected crops could experience a yield loss up 70%. blight can be widespread on mungbeans grown in Southern Queensland Northern New South Wales. However, due its seedborne cryptic nature transmission, likely under-reported. This report addresses aspects halo symptomology, pathology epidemiology.