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Effect of Hexanal Formulation on Host Recognition and Oviposition Behaviour of Spotted-Wing Drosophila (Drosophila suzukii) (Matsumura)

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Title: Effect of Hexanal Formulation on Host Recognition and Oviposition Behaviour of Spotted-Wing Drosophila (Drosophila suzukii) (Matsumura)
Author: Khadka, Laxmi
Program: Plant Agriculture
Advisor: Scott-Dupree, CynthiaPaliyath, Gopi
Abstract: Hexanal is a plant derived volatile and hexanal based technologies have been found to can delay senescence in fruit and ensure longer shelf-life. These studies assessed the impact of hexanal formulation (US Patent # 6,514,914; 7, 198,811)) on fruit choice behaviour of spotted wing drosophila (SWD) for strawberries and blueberries and oviposition efficacy on blueberries at three fruit maturity stages (early, mid and late). Volatiles profiles released from blueberries and strawberries at three fruit maturity stages and their quality parameters were assessed. Hexanal formulation treatment was neither attractive nor repellant to SWD for the three fruit maturity stages in either fruit. There also was no effect on SWD oviposition and adult emergence on three blueberry maturity stages. My results suggest that hexanal formulation was not attractive to SWD so growers should not be concerned about applying it in the field in an effort to delay senescence of fruit.
URI: http://hdl.handle.net/10214/17995
Date: 2020-05-27
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