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Diagnosis and management of halo blight in Australian mungbeans: A review

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Noble, T. J., Young, A. J., Douglas, C. A., Williams, B. and Mundree, S. (2019) Diagnosis and management of halo blight in Australian mungbeans: A review. Crop and Pasture Science . ISSN 18360947 (ISSN)


Article Link: https://doi.org/10.1071/CP18541


Mungbean (Vigna radiata L. Wilczek var. radiata) is an important food crop cultivated on over 6 Mha throughout the world. Its short duration of 55-70 days, capacity to fix atmospheric nitrogen, and exceptional grain nutritional profile makes the crop a staple for smallholder and subsistence farmers. In Australia, mungbean is grown as a high-value export crop and established as a main summer rotation for dryland farmers. A major threat to the integrity of the industry is halo blight, a bacterial disease leading to necrotic lesions surrounded by a chlorotic halo that stunts and ultimately kills the plant. Caused by Pseudomonas savastanoi pv. Phaseolicola, this seed-borne disease is extremely difficult to control, resulting in significant yield loss and production volatility. The challenge of managing halo blight is exacerbated by a wide host range that includes many legume and weed species, and the presence of multiple epidemiologically significant strains. Molecular technologies could play a pivotal role in addressing these issues. This review synthesises current and emerging technologies to develop improved management strategies for the control of halo blight in mungbean. © CSIRO 2019 Open Access.

Item Type:Article
Business groups:Crop and Food Science
Additional Information:Open access
Keywords:bacterial pathogen disease management host-pathogen interactions molecular characterisation
Subjects:Plant culture > Field crops
Plant pests and diseases
Plant pests and diseases > Pest control and treatment of diseases. Plant protection
Live Archive:01 Apr 2019 03:31
Last Modified:02 Nov 2022 00:11

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