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- W2365495656 abstract "Using Y-type and Four-type olfactometer, behavior response of Latheticus oryzae (Waterhouse) to six kinds of host grains were studied. The volatiles of three hosts were qualitative and quantitative analyzed, coupled with solid-phase microextraction and gas chromatograph-mass spectrometry (GC-MS). And the attraction of 7 single volatiles of three hosts to L.oryzae was analyzed at five different concentration respectively. The results indicated that, six host volatiles had strong behavior selection to the female and male longhead flour beetles, and no significant difference between female and male individual; When host from different groups were comparatively tested, the attraction of longhead flour beetles showed significantly the strongest host preference to whole wheat flour, followed by soybean flour, corn flour, buckwheat flour, millet flour and then sorghum flour in turns. When analyzed, there were significant difference in volatile profile, components and relative contents among whole wheat flour, soybean flour and corn flour. Volatile quantity of soybean flour is a little more than that of whole wheat flour and corn flour. From components, the main components of whole wheat flour volatile extract were dienenal (37.46 %), while alcohole (45.24 %) and aldehydes (27.06 %) in soybean flour, the volatile extract of corn flour were hydrocarbon (39.58 %). When seven kinds of reference sample volatile compounds were tested, Formic acid-hexylester, Eicosane and Tetradecane always showed strong attraction to L.oryzae at five difference concentrations. Hexyl alcohol, Hexanal and Trans, trans-2, 4-Decadien-1-al showed trapping response just at appropriate concentrations; however, Trans-2-Decenal showed repellent effect to L.oryzae at high concentration (1600 μL/mL). The results suggest that volatile semiochemicals from different host grains play important roles in orientating behavior of L.oryzae and their compound composition and relative concentration affected attraction effect." @default.
- W2365495656 created "2016-06-24" @default.
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- W2365495656 date "2012-01-01" @default.
- W2365495656 modified "2023-09-25" @default.
- W2365495656 title "Behavioral responses of Latheticus oryzae (Waterhouse) to six host grains and their volatiles" @default.
- W2365495656 hasPublicationYear "2012" @default.
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