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Characterisation of a Carlavirus of French Bean

Persley, D. M. (2019) Characterisation of a Carlavirus of French Bean. Project Report. Hort Innovation.


Article Link: https://www.horticulture.com.au/growers/help-your-...


The carlavirus Cowpea mild mottle virus (CPMMV), has caused economic losses in Queensland’s $70 million green bean industry. The virus is efficiently spread from plant to plant by the silverleaf whitefly (SLW), with early inoculation time found to have a very significant effect on pod yield and quality. Symptoms include mottled leaves, discolouration and deformed pods. The disease has been most severe in autumn crops that are several weeks from harvest. Surveys in the Fassifern valley have indicated that bean crops grown during other windows over the spring-summer season are less likely to be affected by CPMMV. In addition to French bean, the virus has been found in soybean, mung bean, cowpea, Siratro and Glycine. Tests for seed transmission were negative. Project VG15073 has provided the bean industry with the essential information to implement management tools specifically targeting CPMMV. Strategic insecticide applications as whitefly populations are detected, release of biological control agents which attack whitefly, and selection of tolerant bean varieties are all expected to minimise losses from this virus.

Item Type:Monograph (Project Report)
Corporate Creators:Department of Agriculture and Fisheries, Queensland
Business groups:Horticulture and Forestry Science
Keywords:Final report , Beans; Carlavirus; Cowpea mild mottle virus, Silverleaf whitefly; virus management; Queensland; tolerant varieties
Subjects:Science > Entomology
Agriculture > Agriculture (General) > Methods and systems of culture. Cropping systems
Plant culture > Horticulture. Horticultural crops
Plant culture > Vegetables
Plant pests and diseases
Plant pests and diseases > Plant pathology
Plant pests and diseases > Pest control and treatment of diseases. Plant protection
Live Archive:05 Oct 2023 02:48
Last Modified:05 Oct 2023 02:48

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