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頁籤選單縮合
題 名 | 棉蚜小蜂寄生作用對棉蚜發育、存活與繁殖的影響=Development, Survivorship, and Reproduction of Aphis Gossypii (Hom.: Aphididae) Parasitized by Aphelinus (s. str.) Gossypii (Hym.: Aphelinidae) |
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作 者 | 彭仁君; 劉玉章; | 書刊名 | 植物保護學會會刊 |
卷 期 | 43:1 2001.03[民90.03] |
頁 次 | 頁39-46 |
分類號 | 385.752、385.752 |
關鍵詞 | 寄生作用; 棉蚜小蜂; 棉蚜; 發育; 繁殖; 齡期; Parasitism; Aphelinus (s. str.) gossypii; Aphis gossypii; Development; Reproduction; Stage; |
語 文 | 中文(Chinese) |
中文摘要 | 在定溫25℃下,以紫花霍香薊為寄主植物,比較棉蚜小蜂(Aphelinus (s. str.) gossypii Timberlake)寄生作用對棉蚜(Aphis gossypii Glover)發育、存活與繁殖之影響。各齡若蚜與成蚜皆在被寄生後第3天起,因受寄生作用增強影響,其發育與繁殖能力明顯降低;第4天起至其死亡為止,則分別造成若蚜發育與成蚜繁殖停頓。各齡棉蚜被寄生後存活時間都相近,約在4.9-5.2天間,其時間遠短於未被寄生棉蚜整個生活史之34.5±4.3天。第1與第2齡期若蚜被寄生後皆無法產生任何子代,約有30%第3齡期若蚜、50%第4齡期若蚜與100%第1日齡成蚜在被寄生期間可發育進入繁殖期。然而,第3、第4齡期若蚜與第1日齡成蚜在被寄生期間之平均繁殖期與產生子代數,皆遠低於未被寄生棉蚜之表現。這些資料顯示,寄主蚜蟲之起始被寄生齡期,是影響其發育與繁殖能力的一個關鍵因子。 |
英文摘要 | This experiment studies the survivorship, development and reproduction of cotton aphids parasitized at various stages by Aphelinus (s. str.) gossypii at 25℃. The development and reproduction of cotton aphid reduced greatly on the 3rd days after the start of parasitization, and these processes were completely retarded by parasitism thereafter. The average survival times of aphids after parasitized at all stages were almost same for 5 days whereas the unparasitized aphids lived on for 34.5±4.3 days. Aphids parasitized at 1st and 2nd instar died before producing any offspring. About 30% of aphids parasitized at 3rd instar, 50% of aphids parasitized at 4th instar, and 100% of aphids parasitized at early adult produced only fewer offspring during a shorter reproductive period compared to that of the unparasitized aphids. These data indicated that the host stage at parasitization is crucial in determining the development and reproduction of the parasitized aphids. |
本系統中英文摘要資訊取自各篇刊載內容。