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<p>The carob moth, <i>Ectomyelois ceratoniae</i> Zeller (Lepidoptera: Pyralidae) is the most important insect pest of pomegranates in Iran. In this research, applicability of Sterile Insect Technique (SIT) was assessed using two strategies including SIT and SIT + mass trapping (MT) lured by natural female sex pheromone in three isolated orchards in Iran during two consecutive years- 2018 and 2019. Mass rearing of the moths was done in clean rooms on an artificial diet as a semi-dry mixture of brewer’s yeast, glycerin, wheat bran, salt, sucrose, vitamin C, aeromycin, lysine and distilled water under constant environmental conditions (29 ± 1℃, 75 ± 5% RH and photoperiod 16/8 L/D) and 200&#xa0;Gy of irradiation in Gamma cell was applied as the sterilizing dose at pupal stage. Insect pest damage declined significantly in both years and treatments. The appropriate number of samples was assessed after sample size formula. The percentage of infested fruits in each sample from every orchard was calculated as (infested / non‑infested) × 100. Damage of the pest in SIT orchard in 2018 (0.47%) and 2019 (0.99%) reduced by 11.6 and 11.8 times, respectively as compared to that in control orchard (5.44% and 11.72%, respectively). Also, damage of the pest as a result of applying SIT + MT in 2018 (2.4%) and 2019 (4.19%), decreased2.26 and 2.79 times, respectively relative to the control orchard. In this work, therefore, SIT has been 5.14 and 4.23 times more successful than SIT + MT in 2018 and 2019 in declining the carob moth infestation in pomegranates, respectively.</p>

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Sterile insect technique integration with mass trapping in management of the carob moth Ectomyelois ceratoniae Zeller (Lepidoptera: Pyralidae): a case study in pomegranate orchards

  • 期刊论文

  • 发表日期：

    2026年5月29日

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  • Mahmoud Soufbaf,
  • Roshanak Ghorbani,
  • Seyed Mohammad Hosein Hayatolgheibi

摘要

The carob moth, Ectomyelois ceratoniae Zeller (Lepidoptera: Pyralidae) is the most important insect pest of pomegranates in Iran. In this research, applicability of Sterile Insect Technique (SIT) was assessed using two strategies including SIT and SIT + mass trapping (MT) lured by natural female sex pheromone in three isolated orchards in Iran during two consecutive years- 2018 and 2019. Mass rearing of the moths was done in clean rooms on an artificial diet as a semi-dry mixture of brewer’s yeast, glycerin, wheat bran, salt, sucrose, vitamin C, aeromycin, lysine and distilled water under constant environmental conditions (29 ± 1℃, 75 ± 5% RH and photoperiod 16/8 L/D) and 200 Gy of irradiation in Gamma cell was applied as the sterilizing dose at pupal stage. Insect pest damage declined significantly in both years and treatments. The appropriate number of samples was assessed after sample size formula. The percentage of infested fruits in each sample from every orchard was calculated as (infested / non‑infested) × 100. Damage of the pest in SIT orchard in 2018 (0.47%) and 2019 (0.99%) reduced by 11.6 and 11.8 times, respectively as compared to that in control orchard (5.44% and 11.72%, respectively). Also, damage of the pest as a result of applying SIT + MT in 2018 (2.4%) and 2019 (4.19%), decreased2.26 and 2.79 times, respectively relative to the control orchard. In this work, therefore, SIT has been 5.14 and 4.23 times more successful than SIT + MT in 2018 and 2019 in declining the carob moth infestation in pomegranates, respectively.