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FIELD EVALUATION OF CERATITIS CAPITATA WIED. (DIPTERA: TEPHRITIDAE) MASS TRAPPING TECHNIQUE ON A WASHINGTON NAVEL GROVE IN TURKEY

Naime Zülal Elekçioğlu

Last modified: 2012-05-23

Abstract


Mediterranean fruit fly, Ceratitis capitata Wied. (Diptera: Tephritidae) is a quarantine pest, highly polyphagous with the priority of citrus in Turkey. The control of the pest through the use of conventional pesticides is the most used process in citrus orchards. Claiming for alternative solutions, without pesticide residues, trials based on mass trapping have been conducted in a ~3 ha Washington navel orchard from 2009 to 2011. A density of 15 traps/ha was hold for the mass trapping. This technique was compared to conventional farmer’s bait treatment with spinosad (1L/10L). Ten McPhail traps in the mass trapping orchard and seven monitoring traps in both orchards were selected randomly and checked weekly for the pest population. From each orchard, dropped fruits from ten trees were checked weekly as infected or not. Also, 250 fruits were controlled for infection weekly and at harvest in both characters. The pest population was higher generally in October. In the case of fruit damage, no significant differences were obtained between mass trapping and spinosad treatments. Six to nine treatments were applied at the comparison orchard. A significant reduction in fruit fly population and fruit damage was observed over the three years under trial. The mass trapping technique could be suggested as an alternative control method in Turkish citrus orchards against C. capitata. Nevertheless, demonstrations on larger areas and other host plants are needed to further improve the suppressive potential of this technique.

Keywords: Ceratitis capitata, Mediterranean fruit fly, mass trapping


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