查詢結果分析
來源資料
頁籤選單縮合
| 題 名 | 夾竹桃紅顏料(Phloxine B)對東方果實蠅(Bactrocera Dorsalis)之毒效評估=Evaluation on the Toxic Effects of Phloxine B to the Oreintal Fruit Fly (Diptera: Tephritidae) |
|---|---|
| 作 者 | 董耀仁; 陳健忠; | 書刊名 | 植物保護學會會刊 |
| 卷 期 | 47:1 民94.03 |
| 頁 次 | 頁69-76 |
| 分類號 | 433.3 |
| 關鍵詞 | 果實蠅; 毒性; 生殖力; 毒餌; 害蟲防治; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 在果實蠅防治上，使用蛋白質水解物於點噴、大面積噴灑或放置誘蟲器內，馬拉松一直是主要的配合藥劑。雖然馬拉松具有對哺乳類動物低毒與價格便宜之優點，但是為了防治果實蠅頻頻施用農藥，仍常引起消費者的疑慮與對天敵的傷害，使研究人員致力研發馬拉松的替代物。夾竹桃紅顏料（Phloxine B；2',4',5',7'- tetrabromo-4,5,6,7-tetrachloro-,disodium salt），在美國已登記使用於藥物及化妝品作為添加顏料，使用數十年未有不良反應發生。Phloxine B屬光活性分子的一種，藉由光照後，對細胞產生毒性反應，因此昆蟲食入含有Phloxine B的餌劑後經照光會死亡。因不具接觸毒和需食入且照光方能殺蟲的特性，其對人畜之毒性遠低於馬拉松，且在田間使用時，不像含馬拉松的餌劑有接觸性毒害。 |
| 英文摘要 | Tests were conducted to determine the toxic effects of phloxine B (a xanthene dye) to the Oriental fruit fly, Bactroceradorsalis (Hendel). Dye-containing diets were made of 25 % yeast autolysate, 75 % sugar, and various concentrations of phloxine B (0.125 %, 0.25 %, 0.5 %, 1 %, 2 %, and 4 %). The tested adult flies were starved for 12 h prior to the experiment, and then allowed to feed on various diets for 4 h in the dark. After 4 h of feeding, these flies were separated into 3 groups with each group consisting of flies from all of the various groups fed different concentrations of dye. The 3 groups were then kept under the following conditions, respectively: (1) light first at an intensity of 8000 lux for 8 h, then dark, followed by a 12: 12 (L: D) h photoperiod throughout the remainder of the 72-h experimental period and fed a non-phloxine B diet; (2) complete darkness throughout the 72-h period and fed a non-phloxine B diet; (3) totally dark for 7 d with a phloxine B-containing diet. The results showed that in dye-fed flies kept under condition (1), 100 % mortality was observed after 1 h of exposure to the light in both sexes of flies fed previously with 4 % phloxine B. For the dye-fed flies kept completely in the dark and fed the non-dye food, no mortality occurred within 72 h. However, if the flies were kept completely in the dark but were fed the phloxine B diet, 100 % mortality occurred in the flies which had fed on 4 % phloxine B. These results indicate that phloxine B elicits light-independent toxicity in Oriental fruit flies; however, the light may have facilitated its toxic effects. In addition, female flies fed the dye laid fewer eggs. Our study suggests that phloxine B has the potential to be used as an environmentally friendly control agent for Oriental fruit flies, and further investigations should be carried out. |
本系統中英文摘要資訊取自各篇刊載內容。