Document Type : Research Paper

Authors

• H.R Zolfagharieh
• H Farazmand
• R Vafaei Shoushtari
• M Babaii
• S.Z Tabatabaii

Abstract

Iran ranks the first producer and exporter of pomegranate in the world. Carob moth Ectomyelois ceratoniae (Lepidoptera: Pyralidae) has also been recognized as an important pest of pomegranate in the country. Due to biology of the pest, the application of pesticide has not been considered practical and the losses to this product are more than 30 percent of the yield. The application of Sterile Insect Technique (SIT) is a method that is used on a few insects with the specific characters. This research was accomplished for evaluation of the practical control of this pest upon application of nuclear methods on pomegranate. Larval and pupal stages were collected from Saveh, transferred to Agricultural, Medical & Industrial Research School and reared on artificial diet at 28±2ºC, 60±5% RH, 14:10 light: dark photoperiod. The produced pupae (young and old) were irradiated by gamma radiation and were reared with 0:0:1:1-9:9:1:1 (Irradiated male: Irradiated female: Natural male: Natural female) ratios on pomegranate fruits in the cages. The results show that the application of sterile doses (120 and 160Gy) on pupae (Young 1-2 days and old 3-4 days old) and releasing ratios 7:7:1:1 to 9:9:1:1 in comparison with the controlled treatment by the releasing ratio of 0:0:1:1 that prevents damage of E. ceratiniae on the pomegranate.

Highlights

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Keywords

• Carob Moth
• Nuclear Technique
• Sterile Insect Teqnique
• Releasing Ratio