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10.25100/socolen.v25i1.9749
Submitted: 19-05-2020
Published: 15-01-1999

Economic threshold of Heliothis virescens in three Tobacco varieties from Cuba

Instituto de Investigaciones de Sanidad Vegetal
Laboratorio Provincial de Investigaciones de Sanidad Vegetal
Laboratorio Provincial de Investigaciones de Sanidad Vegetal
Instituto de Investigaciones de Sanidad Vegetal
Keywords: Heliothis virescen, Tobacco budworm, Tobacco, Economic treshold

How to Cite

1.
PIEDRA-DÍAZ F, PALACIOS-VALDÉZ F, LINARES-YERA N, VÁZQUEZ-RODRÍGUEZ M. Economic threshold of Heliothis virescens in three Tobacco varieties from Cuba. Rev. Colomb. Entomol. [Internet]. 1999 Jan. 15 [cited 2026 Oct. 25];25(1):33-6. Available from: https://revistacolombianaentomologia.univalle.edu.co/index.php/SOCOLEN/article/view/9749
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Abstract

During the years 1986-1989 several investigations were carried out in order to de­termine the economic threshold of H. virescens (tobacco budworm ) in the tobacco crop on different varieties, being. Pinar del Rio (var.Criollo), La Habana (var. Corojo without any sun covering), and Villa Clara (var. Pelo de Oro) the provinces where the work was conducted. was determine(' the appropriate threshold taking into consideration the damage, infestation index, losses, and protection measures against this pest. The threshold of 9.3: 6.35 and 9.2 were obtained for each the ahoy mentioned varieties, respectively. It should be consi­dere(' these economic thresholds after transplantation to establish the control measures and to avoid the losses.

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How to Cite

1.
PIEDRA-DÍAZ F, PALACIOS-VALDÉZ F, LINARES-YERA N, VÁZQUEZ-RODRÍGUEZ M. Economic threshold of Heliothis virescens in three Tobacco varieties from Cuba. Rev. Colomb. Entomol. [Internet]. 1999 Jan. 15 [cited 2026 Oct. 25];25(1):33-6. Available from: https://revistacolombianaentomologia.univalle.edu.co/index.php/SOCOLEN/article/view/9749
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