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題 名 | 夾竹桃紅顏料對瓜實蠅Bactrocera Cucurbitae (Coquillett)(雙翅目:果實蠅科)之毒效評估=Evaluation on the Toxic Effect of Phloxine B to the Melon Fly, Cucurbitae (Coquillett)(Diptera: Tephritidae) |
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作 者 | 董耀仁; 陳健忠; | 書刊名 | 中華農業研究 |
卷 期 | 53:4 民93.12 |
頁 次 | 頁239-248 |
分類號 | 433.3 |
關鍵詞 | 果實蠅; 二苯并吡喃顏料; 毒餌; 生殖力; 害蟲防治; Fruit files; Xanthene dye; Poisoned bait; Fecundity; Pest control; |
語 文 | 中文(Chinese) |
中文摘要 | 將不同濃度之夾竹桃紅顏料(Phloxine B)加入成蟲飼料(酵母抽出物:糖=1:3)中供瓜實蠅取時後測試其對瓜實蠅之毒效。試驗結果Phloxine毒效隨著濃度和光照強度的提高而增加。瓜實蠅於黑暗中取食含有Phloxine B飼料4小時後換成正常飼料,只有照光才會死亡。1%濃度以上處理組於光照4小時內,雌雄蠅死亡率均達100%。各處理組之死亡率於開始光照後24小時內發生,超過24小時不會再有瓜實蠅死亡。於黑暗環境下,瓜實蠅需連續取食含有Phloxine B飼料至少2天以上才會死亡。2%及4%處理組,分別於連續取食含Phloxine B飼料5及4天後,雌雄蠅均達100%死亡率。取食含有Phloxine B飼料的瓜實蠅雌蟲會降低產卵量,且過高的濃度會降低瓜實蠅的取食量。 |
英文摘要 | Various concentrations of Phloxine B were added into the artificial diets (yeast : sugar = 1 : 3) and fed to adult melon flies, Bactrocera cucurbitae (Coquillett), to determine the toxic effects of Phloxine B to the files. Tests were carried out in the dark as well as under the photoperiod of 12 : 12 (L : D) hr with different intensity of lights to evaluate the influence of light and its intensity on Phloxine B toxicity. Phloxine B elicited toxicity to melon flies and the toxic effects increased with Phloxine B concentration and light intensity. For a short period of feeding (e.g., 4 hr), Phloxine B could cause fly deaths with the light. The concentrations of 1% or higher caused 100% mortality in the flies of both sexes within 4 hr. The Phloxine B-induced mortality in all concentrations occurred within 24 hr and did not increase further thereafter. Without the light, Phloxine B caused death in the flies only with a longer period of feeding (2 days or higher). The 100% mortality were obtained for the flies fed continuously in the dark with 2% and 4% Phloxine B for 5 day and 4 day, respectively. In addition, Phloxine B diets inhibited egg production and at high concentrations impeded feeding as well in melon flies. |
本系統中英文摘要資訊取自各篇刊載內容。