Abstract
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.
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).
- Copyright 2004 by the American Society for Enology and Viticulture
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Vol 55 Issue 3
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