Population behavior of Tetranychus urticae Koch. (Acari: Tetranychidae) in tomato varieties

Authors

  • Ángel Alberto Ruiz Díaz Departamento de Parasitología Agrícola-Universidad Autónoma Agraria Antonio Narro. Calzada Antonio Narro 1923, Saltillo, Coahuila, México. CP. 25315
  • Irasema del Rosario Malacara Herrera Departamento de Parasitología Agrícola-Universidad Autónoma Agraria Antonio Narro. Calzada Antonio Narro 1923, Saltillo, Coahuila, México. CP. 25315
  • Ernesto Cerna Chávez Departamento de Parasitología Agrícola-Universidad Autónoma Agraria Antonio Narro. Calzada Antonio Narro 1923, Saltillo, Coahuila, México. CP. 25315
  • Yisa María Ochoa Fuentes Departamento de Parasitología Agrícola-Universidad Autónoma Agraria Antonio Narro. Calzada Antonio Narro 1923, Saltillo, Coahuila, México. CP. 25315
  • Luis Alberto Aguirre Uribe Departamento de Parasitología Agrícola-Universidad Autónoma Agraria Antonio Narro. Calzada Antonio Narro 1923, Saltillo, Coahuila, México. CP. 25315
  • Jerónimo Landeros Flores Departamento de Parasitología Agrícola-Universidad Autónoma Agraria Antonio Narro. Calzada Antonio Narro 1923, Saltillo, Coahuila, México. CP. 25315

DOI:

https://doi.org/10.29312/remexca.v9i5.1505

Keywords:

Tetranychus urticae, population parameters, resistance, tomato

Abstract

Ten tomato varieties were examined for resistance to Tetranychus urticae by bioassays on leaf discs. A colony of T. urticae from different ornamental crops of Saltillo, Coahuila, Mexico, was established in bean seedlings (Phaseolus vulgaris L.) in a Biotronette chamber. At 25 ±2 °C, 60-70 HR and 12:12 h L: D. According to the design of the experiment, the females were placed in leaf discs of the 10 tomato varieties under study in a proportion of 10 disc with 90 repetitions, the behavior was evaluated based on survival, repellency and mortality. Subsequently, 100 freshly mated and fertilized one-day-old females were transferred to discs of tomato leaves (Solanum lycopersicum L.) of 1.3 cm in diameter of cultivars ‛Tsan-101’, ‛Toro’, ‛Saladette’ and ‛Cereza’ in such a way that each experimental unit included 1 female per disk. The demographic parameters in this experiment showed a lower growth potential of this pest in the cultivars ‛Tsan-101’ and ‛Toro’ than in ‛Saladette’ and ‛Cereza’.

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Published

2018-08-07

How to Cite

Ruiz Díaz, Ángel Alberto, Irasema del Rosario Malacara Herrera, Ernesto Cerna Chávez, Yisa María Ochoa Fuentes, Luis Alberto Aguirre Uribe, and Jerónimo Landeros Flores. 2018. “Population Behavior of Tetranychus Urticae Koch. (Acari: Tetranychidae) in Tomato Varieties”. Revista Mexicana De Ciencias Agrícolas 9 (5). México, ME:961-69. https://doi.org/10.29312/remexca.v9i5.1505.

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