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Tomato yellow leaf distortion virus (ToYLDV) and Tobacco yellow crinkle virus (TbYCV)
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Two new begomoviruses found infecting Solanaceous crops in Cuba

IDENTITY

Name: Tomato yellow leaf distortion virus (ToYLDV) and Tobacco yellow crinkle virus (TbYCV)

Taxonomic Position:

Geminiviridae

Significance:

In 2007, two new begomoviruses viruses were found to be affecting Solanaceous crops in eastern Cuba. Both are newly determined viruses with proposed names, and little information is known regarding the full host range or distribution of either. In general, begomoviruses are transmitted by the whitefly, Bemisia tabaci, which is present worldwide and can be transported through movement of nursery stock, cut flowers, or wind. At this point, it is unclear what impacts these viruses may have on their host crops.

Tomato yellow leaf distortion virus (ToYLDV) was determined to be infecting tomato (Solanum lycopersicum). Symptoms of ToYLDV include yellow mottle and leaf distortion.

Tobacco yellow crinkle virus (TbYCV) was determined to be infecting tobacco (Nicotiana tabacum) and sweet pepper (Capsicum annuum). Symptoms of TbYCV on tobacco include foliar yellowing and crinkling. Symptoms of TbYCV on sweet pepper plants were foliar yellow mottle.



OTHER INFORMATION:

References:

CABI. 2007. Crop Protection Compendium. Commonwealth Agricultural Bureau International (CABI), Wallingford, UK.

Fiallo-Olivé, E., Y. Martínez-Zubiaur, and R. F. Rivera-Bustamante. 2009. Tobacco yellow crinkle virus, a new bipartite begomovirus infecting tobacco and pepper in Cuba. The British Society for Plant Pathology New Disease Reports, vol. 19. Last accessed August 26, 2009, http://www.bspp.org.uk/publications/new-disease-reports/ndr.php?id=019010

Fiallo-Olivé, E., Y. Martínez-Zubiaur, and R. F. Rivera-Bustamante. 2009. Tomato yellow leaf distortion virus, a new bipartite begomovirus infecting tomato in Cuba. The British Society for Plant Pathology New Disease Reports, vol. 19. Last accessed August 26, 2009, http://www.bspp.org.uk/publications/new-disease-reports/ndr.php?id=019009




Warning: The information in this alert has not been confirmed with the appropriate National Plant Protection Organization and is provided solely as an early warning. Please use the above information with caution.


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Prepared on: 08/27/2009
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