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題名 | 甘藷蟻象合成性費洛蒙誘蟲活性之風洞檢測=The Wind Tunnel Assay Method for Synthetic Sex Pheromone of Sweet Potato Weevil, Cylas Formicarius Elegantulus |
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作者姓名(中文) | 洪巧珍; 王文龍; 江碧媛; 顏耀平; | 書刊名 | 植物保護學會會刊 |
卷期 | 46:2 2004.06[民93.06] |
頁次 | 頁113-122 |
分類號 | 434.318 |
關鍵詞 | 甘藷蟻象; 合成性費洛蒙; 風洞; Sweet potato weevil; Cylas formicarius elegantulus; Synthetic sex pheromone; Wind tunnel; |
語文 | 中文(Chinese) |
中文摘要 | 在長300 cm、寬77 cm及高75 cm之風洞中,於27.0±2.0℃、70±5 % RH、12L:12D光照週期、風速0.17~0.20 m/s及光照度36.7±8.2 lux條件下,探討及檢測甘藷蟻象性費洛蒙誘蟲活性之方法與效果。測試時,於風洞前端上風處75 cm處置放甘藷蟻象玻璃漏斗檢定器,另於距離檢定器放置處150 cm之下風處釋放50 - 200隻雄蟲,經30 min後觀察記錄誘捕蟲數。於風洞中,20隻甘藷蟻象雌蟲對雄蟲之誘引力表現於晚間,於21:00 ~ 24:00達高峰,反應率僅為4.8 ~ 5.7 %。雄蟲於一天24小時中對其性費洛蒙誘餌均有反應,每小時經30 min之平均反應率為29.5±6.1 %。比較不同周齡雄蟲對性費洛蒙之反應,以二、三及四週齡者較佳,反應率分別為40.5、43.0及42.4 %;一及五週齡者對性費洛蒙之反應率降低,分別為25.6及32.3 %。不同批次合成性費洛蒙對甘藷蟻象之誘蟲活性有差異,雄蟲反應率概在33 ~ 44 %。不同包裝材質之密封性測試顯示,甘藷蟻象雄蟲對費洛蒙誘餌以PVC塑膠袋包裝者之反應率最高30.1±5.7 %;以鋁箔紙及鋁箔袋包裝者反應率低,僅分別為3.4±1.8 %及2.0±1.4 %;空白組為0.6±0.5 %;由此結果顯示甘藷蟻象性費洛蒙誘餌以鋁箔袋與鋁箔紙包裝貯存,密封性佳,而PVC塑膠袋則不適合用來包裝費洛蒙誘餌。 |
英文摘要 | Assay methods for sex pheromone of sweet potato weevil, Cylas formicarius elegantulus, were studied in a wind tunnel with the specification of 300 cm length, 77 cm width and 75 cm height at 27.0±2.0℃, 70±5 % RH, 12L: 12D photoperiod, 0.17-0.20 m/s wind velocity and light intensity 36.7±8.2 lux. The attractive period of 20-female weevils was found in scotographase. Peak activity occurred at 21:00~24:00, and reactive rates were only between 4.8 to 5.7 % by wind tunnel tests. Whereas male weevils responded to sex pheromone lure in all 24 hrs, and the reactive rate was 29.5±6.1 % in average. Response of different ages of male sweet potato weevils to the synthetic sex pheromone lure in wind tunnel showed that 2, 3, and 4-weeks-old male weevils performed higher response than 1 and 5-weeks-old male weevils. The reactive rates of the former were 40.5, 43.0, 42.4 % and the latter were 25.6, 32.2 %, respectively. Reactive rates of male sweet potato weevil to different batches of synthetic sex pheromone lures in wind tunnel were between 33-44 %. The results of wrapping materials for sex pheromone lures showed that aluminum bag (or paper) was more suitable than plastic bag for wrapping sex pheromone lures of sweet potato weevil. |
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