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Halo Blight of Mungbean in Australia

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Abdullah, A. S. and Douglas, C. A. (2021) Halo Blight of Mungbean in Australia. Crops, 1 (1). pp. 3-7. ISSN 2673-7655


Article Link: https://doi.org/10.3390/crops1010002

Publisher URL: https://www.mdpi.com/2673-7655/1/1/2


Halo blight, one of the major diseases of mungbean, is caused by the bacterium Pseudomonas savastanoi pv. phaseolicola. The pathogen infects the foliar parts of the plant, causing water-soaked spots that eventually develop surrounding yellow margins. The disease is 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 to 70%. Halo blight can be widespread on mungbeans grown in Southern Queensland and Northern New South Wales. However, due to its seedborne and cryptic nature of transmission, the disease is likely to be under-reported. This report addresses major aspects of halo blight symptomology, pathology and epidemiology.

Item Type:Article
Business groups:Crop and Food Science
Keywords:Vigna radiata; P. phaseolicola; bacterial disease; disease management
Subjects:Plant culture > Field crops
Plant pests and diseases
Plant pests and diseases > Plant pathology
Live Archive:03 Jun 2021 05:38
Last Modified:02 Nov 2022 00:12

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