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Am. J. Enol. Vitic. 55:3:283-285 (2004)
Copyright © 2004 by the American Society for Enology and Viticulture.
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Mealybugs and Grapevine Leafroll-Associated Virus 3 in Vineyards of Mendoza, Argentina

Carlos Manuel de Borbón 1, Olga Gracia 1, and Gonzalo Sebastián Gómez Talquenca 1

1 Estación Experimental Agropecuaria Mendoza, INTA, San Martín 3853, Luján de Cuyo, 5507 Mendoza, Argentina

Email: ogracia{at}mendoza.inta.gov.ar

Possible vectors of grapevine leafroll-associated virus 3 in Mendoza, Argentina, were evaluated. Mealybugs were not detected in the mid-south province, whereas some farms were infested in the north. The sole species present was Planococcus ficus Signoret. The increase of virus-infected plants in four experimental parcels and the transmission of a domestic isolate of GLRaV-3 by P. ficus strongly suggest the natural spread of the disease.

Note:
Acknowledgment: The authors are grateful to Dr. M.C. Granara de Willink for her valuable advice. This study received the financial support of Secretaría de Ciencia y Tecnología (SECYT), Agencia Nacional de Promoción Científica y Tecnológica, through project PID98-012 (Argentine).

Key words: Vitis vinifera, grape viruses, Planococcus ficus






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Copyright © 2004 by the American Society for Enology and Viticulture.