Abstract
The effectiveness of the potato aphid,Macrosiphum euphorbiae (Thomas), to transmit potato virus Y (PVY) to potato has generally been overestimated because tobacco has been used as the indicator host. Our results demonstrate that, although apterousM. euphorbiae can acquire PVY from potato and tobacco plants and transmit it to tobacco plants, it does not readily transmit it to potato plants. Alatae only transmitted the virus to 4.5% of potato plants. This relative inability to transmit the virus to potato seems independent of potato cultivar. Results suggest that the role of the potato aphid in the spread of PVY in potatoes may be negligible.
Resumen
La efectividad del áfido,Macrosiphum euphorbiae (Thomas), para transmitir el virusY de la papa (PVY) a la misma, ha sido generalmente sobreestimada debido a que se ha utilizado tabaco como el huesped indicador. Nuestros resultados demuestran que a pesar de que las formas ápteras deM. euphorbiae pueden adquirir el PVY de las plantas de papa y tabaco, no lo transmiten fácilmente a las plantas de papa. Los individuos alados solo transmiten el virus al 4,5% de las plantas de papa. Esta inhabilidad para transmitir el virus a la papa parece ser independiente del cultivar de dicho cultivo. Los resultados sugieren que el rol del áfido de la papa en la diseminación del virusY en el cultivo, puede ser insignificante.
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Singh, R.P., Boiteau, G. Reevaluation of the potato aphid,Macrosiphum euphorbiae (Thomas), as vector of potato virus Y. American Potato Journal 63, 335–340 (1986). https://doi.org/10.1007/BF02854444
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DOI: https://doi.org/10.1007/BF02854444