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題 名 | 賜諾殺濃餌劑在番石園防治東方果實蠅(雙翅目:果實蠅科)之效果評估=Effectiveness of Spinosad Bait in the Control of Oriental Fruit Fly (Diptera: Tephritidae) in Guava Orchard |
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作 者 | 何坤耀; 洪士程; 陳健忠; | 書刊名 | 臺灣農業研究 |
卷 期 | 54:3 民94.09 |
頁 次 | 頁162-168 |
分類號 | 433.85 |
關鍵詞 | 賜諾殺餌劑; 番石榴; 誘殺; 東方果實蠅; Spinosad bait; Guava; Attractant; Bactrocera dorsalis; |
語 文 | 中文(Chinese) |
中文摘要 | 利用0.02%賜諾殺濃餌劑(稀釋8倍,每週噴施1次,每株噴4大點,每大點約5ml)在斗六番石榴園進行誘殺試驗結果顯示防治東方果實蠅(Bactrocera dorsalis (Hendel))效果顯著,連續施用3次後即能顯著降低第二期果之果實被害率及被害度,分別從施藥前之100及95.2%降至施藥後之33.9 及16.2%。施用7次後第一期果及第二期果之平均防治率分別為60.9及65.9%,較對照之蛋白質水解物Nulure餌劑(37.1及48.0%)為佳,如以被害度求算防治率則其防治效果更顯著。然賜諾殺濃餌劑之誘殺效果會受試驗區之間隔、環境及天候影響,宜採共同防治效果更佳,若逢下雨則應於雨後再補施1次。另外,此餌劑較不適宜以網袋包法在田間懸掛誘殺。 |
英文摘要 | The result of Spinosad bait spray (diluted 8-fold, spot sprayed weekly, 4 spots per plant, ca. 5 ml per spot) tested in guava orchards at Touliu in 2004 showed that it could effectively control the Oriental fruit fly, Bactrocera dorsalis (Hendel). The percentage of fruit damaged and the degree of fruit infested decreased significantly after 3 weeks of consecutive applications. These two infested indices in the second fruiting season decreased from 100 and 95.2% before the treatment to 33.9 and 16.2% in average after 7 weeks of treatments, respectively. The averaged control rates were 60.9 and 65.9% after 7 weekly applications in the first and second fruiting seasons, respectively and which were higher than the treatments with the sprays of Nulure protein hydrolysate bait (37.1 and 48.0%). Furthermore, the control rate was significantly higher when it was calculated from the degree of fruit infested than from the percentage of fruit damaged. The effectiveness of Spinosad bait spray in the control of fruit fly could be influenced by the plot size, distance between plots, adjacent environment, and the weather. Therefore, area-wide control is recommended to ensure the best controlling result. In addition, re-application of the bait will be necessary after rain. The baits used in this experiment were not effective if applied with the net-bag hanging method in the field. |
本系統中英文摘要資訊取自各篇刊載內容。