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Metodos De Proteccion De Semilleros De Tomate Ante La Infeccion Temprana Con Tylcv

Author

Listed:
  • Serra, C. A.
  • Benoit, P. F.
  • Gomez, Z.
  • Ortiz, M.

Abstract

Con la finalidad de obtener métodos de protection de semilleros de tomate contra la penetration temprana de 'moscas blancas', Bemisia tabaci (Genn.) biotipo 'Β' ο Β. argenti/olii Bellows & Perring (Homosptera: Aleyrodidae), vectoras del Geminivirus del Rizado Amarillo de la Hoja de Tomate (TYLCV-Is), se evaluaron 9 métodos de protection de semilleros durante el periodo julio-septiembre de 1995. Se observe» que los tratamientos con Cobertura de cascarilla de arroz, de plâstico amarillo, y de plâstico plateado y marron tuvieron las poblaciones mâs altas de moscas blancas, que los tratamientos del insecticida sistémico Imidacloprid, del testigo y de los 2 tuneles de Mallas AntiVirus® y Avgol®. Los tratamientos de malla AntiVirus® de malla Avgol® y barrera viva con sorgo presentaron sintomas de geminivirosis significativamente mâs bajos que los demâs tratamientos. La floraciôn y fructification fue mâs temprana en los tratamientos de Cobertura de plâstico amarillo, seguido de Cobertura de plâstico plateado, testigo, cobertura con cascarilla de arroz y banda amarilla pegante. La cobertura con mallas afecta negativamente el desarrollo a 30, 45 y 60 dias después de la siembra, aunque las plântulas solamente permanecieron cubiertos de 20 a 28 dias. La protection de las plantas con mallas resultan en temperaturas mâs elevadas y dificulta el manejo de malezas por lo que se recomienda el uso de herbicidas pre-emergentes.

Suggested Citation

  • Serra, C. A. & Benoit, P. F. & Gomez, Z. & Ortiz, M., 1997. "Metodos De Proteccion De Semilleros De Tomate Ante La Infeccion Temprana Con Tylcv," 33rd Annual Meeting, July 6-12, 1997, Isabela, Puerto Rico 256973, Caribbean Food Crops Society.
    • Handle: RePEc:ags:cfcs97:256973
    DOI: 10.22004/ag.econ.256973
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