1. Effectiveness of different management strategies against Ectomyeloïs ceratoniaeZeller (Lepidoptera: Pyralidae) in citrus orchards in Tunisia
- Author
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Alloui-Griza, Rafika, Attia, Sabrine, Cherif, Asma, Hamdi, Faten, and Grissa-Lebdi, Kaouthar
- Abstract
ABSTRACTEctomyelois ceratoniae(Zeller) is a cosmopolitan pest that affects many crops worldwide. The present study was performed to refine our knowledge about density and damage of this pest on Navel oranges in northern Tunisia and to evaluate the effectiveness of four alternative methods including, cultural control, mass trapping, Trichogramma cacoeciae(Marchal) releases and mating disruption. Results showed that E. ceratoniaepopulations increased from April to November. All trials were effective in decreasing E. ceratoniaepopulations on citrus fruits. The most effective management was mating disruption combined with T. cacoeciaerelease (30,000 Trichogramms/ha), with a reduction rate of E. ceratoniaeof 62.8% after treatment. Mass trapping using delta traps combined with Trichogrammareleases (25,000 T/ha) may be a promising alternative for limiting E. ceratoniaepopulations. It has also been shown that a density of 10 delta traps/ha can reduce the infestation rate of E. ceratoniae. Furthermore, control by successive T. cacoeciaereleases at a density of 20,000 T/ha shows its effectiveness. Our results for improving management of E. ceratoniaein citrus orchards are highlighted and discussed herein.
- Published
- 2022
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