Effectiveness of Sterile Insect Technique for Medfly (Ceratitis capitata, Wiedemann, 1824) Control in Citrus Orchards of Moulouya Perimeter North East of Morocco

Authors

  • Jamal BEN YAZID Agriculture
  • Z. CHAFIK Agriculture
  • I. BIBI Agriculture
  • E. KHARMACH Agriculture

DOI:

https://doi.org/10.46291/ISPECJASvol4iss3pp405-421

Keywords:

Integrated pest management, medfly, sterile ınsect technique, density, citrus orchards.

Abstract

The Sterile Insect Technique (SIT) is an effective pest control method developed worldwide against many species of Fruit Flies. It involves the release of male insects sterilized, at pupae instar, by exposure to ionizing radiation.  The Area-wide control of medfly (Ceratitis capitata), with SIT based on sterile males release combined to other control techniques, was implemented since 2017 as a pilot area in Moulouya Perimeter in North-eastern Morocco. The main objective of this study is to evaluate the effectiveness of this tool in controlling Medfly and estimate sterile male population densities from data collected from trap catches after the release of a pre-determined number of sterile males in five Citrus orchards (0, 500, 1000 and 3000 sterile males per hectare) and the calculation of FTD (fly/trap/day) of sterile and wild males. The result showed that the percentage of recaptured males and FTD Sterile indices were related to release density by power function regression, while the sterile to wild ratio and release density were linear regression-adjusted. The finding confirmed the effectiveness of release in reducing the fly population in the TIS area by reducing the rate of citrus infestation in field and export shipments.

 

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Published

2020-09-16

How to Cite

Jamal BEN YAZID, Z. CHAFIK, I. BIBI, & E. KHARMACH. (2020). Effectiveness of Sterile Insect Technique for Medfly (Ceratitis capitata, Wiedemann, 1824) Control in Citrus Orchards of Moulouya Perimeter North East of Morocco. ISPEC Journal of Agricultural Sciences, 4(3), 405-421. https://doi.org/10.46291/ISPECJASvol4iss3pp405-421

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