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題 名 | Evaluation of Feeding and Ovipositing Responses of Three Phytoseiid Mites to Amounts of Kanzawa Spider Mite Eggs (Acari: Phytoseiidae, Tetranychidae)=三種捕植蟍對不同數量葉蟍的取食與產卵反應評估 |
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作 者 | 何琦琛; 陳文華; | 書刊名 | 中華昆蟲 |
卷 期 | 19:3 1999.09[民88.09] |
頁 次 | 頁257-264 |
分類號 | 387.53 |
關鍵詞 | 捕植蟍; 反應; 食物量; Phytoseiid; Response; Food amount; |
語 文 | 英文(English) |
中文摘要 | 溫氏捕植��(Amblyseius womersleyi Schicha)普遍發生於臺灣各地,捕食葉�臐A 對神澤氏葉��(Tetranychus kanzawai Kishida)有良好的防治效果。法拉斯捕植��(A. fallacis (Garman))及智利捕植��(Phytoseiulus persimilis Athias-Henriot)為自美國 以及澳洲引進的外來種類,引進目的在防治二點葉��(T. urticae Koch)。為比較此三 種捕植�薾儭唉薵漣磻謓鄐O,本試驗觀察定溫箱中28℃、13:11(L:D)光週期下,每日 供給0、2、5、10、20、40、80、120粒神澤氏葉�藃Z時,三種捕植�薵漁楹僎q、產卵 量。三種捕植�薾麰鼓奎q的反應不一,低如每日2粒葉�藃Z即使溫氏捕植�藎扈d於葉 片,將食物吃光;法拉斯捕植�蘤犰V於吃完後離去;智利捕植�薽h可能不吃即離去。供給 10粒或更多葉�藃Z時,法拉斯捕植�薴帤憫Q捕植�薴~有相當的安定性。供食超過20粒 葉�藃Z後,智利捕植�藄僎q躍升三者之冠,溫氏捕植�藀舅均A法拉斯捕植�薱怳痋C自產 卵量來看,溫氏捕植�薴峈k拉斯捕植�藂C日有20粒葉�藃Z即正常產卵,其每日所需食 物量約為20粒葉�藃Z;智利捕植�薽h在每日供40粒葉�藃Z時才達應有產卵量,其每日 食物需求可能為30粒葉�藃Z左右。供食120粒葉�藃Z時,產卵量均顯著有下降情形。 缺乏食物時,三種捕植�藃”陶t離去。與智利捕植�藇蛝�,溫氏捕植�薴峈k拉斯捕植�� 可在較低葉�藈K度時釋放。溫氏捕植�藀b低食物量時即能定著而取食、產卵,食物豐足 時的取食量優於法拉斯捕植�臐A又普遍存在於臺灣,應探討其在IPM系統中的應用價 值。 |
英文摘要 | Amblyseius womersleyi Shicha is common in Taiwan and feeds on spider mites, providing good control of Tetranychus kanzawai Kishida. A. fallacis (Garman) and Phytoseiulus persimilis Athias-Henriot were exotic phytoseiids imported from the United States and/or Australia to Taiwan for the control of T. urticae Koch. To compare their abilities to control spider mites, daily food consumption and fecundity of these phytoseiids when provided with 0, 2, 5, 10, 20, 40, 80, 120 Kanzawa spider mite eggs were studied at 28℃ and a photoperiod of 13:11 (L:D) in an incubator. These predators responded differently to food availabilit. With a food supply as low as 2 spider mite eggs per day, A. womersleyi would remain on the leaf disc and finish the food; A. fallacis tended to finish the food and leave; while P. persimilis might have left without feeding. Escape behavior of A. fallacis and P. persimilis decreased after 10 or more spider mite eggs were provided daily. With a supply of 20 or more spider mite eggs, P. persimilis ate more than the others did. A. womersleyi and A. fallacis reached their normal fecundity after 20 or more spider mite eggs were provided per day, indicating that this is likely to be their daily food requirement. P. persimilis reached normal fecundity after 40 spider mite eggs were supplied daily. Its daily food requirement is probably around 30 spider mite eggs. Supplied with 120 spider mite eggs daily, fecundity of all three predators significantly decreased. Compared with P. persimilis, A. womersleyi and A. fallacis can be released into lower spider mite densities. A. womersleyi would stay, feed, and oviposit with low food amounts; it feeds more than A. fallacis does when food is plenty, and is prevalent in Taiwan. More studies should be carried on the utilization of this mite in spider mite IPM systems. |
本系統中英文摘要資訊取自各篇刊載內容。