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四紋豆象之產卵行為與產卵偏好之關係

Effects of Oviposition Behavior on Host Preference of Callosobruchus maculatus

摘要


以不同比例之紅豆與綠豆混合提供四紋豆象產卵,發現雌蟲產卵於紅豆之比例,隨提供紅豆比例增加而增加,但隨試驗期間延長而降低。產卵偏好指數分析結果,亦無法消除寄主比例及試驗期間之作用,因此進行寄主偏好測定時,此兩因子的選定非常重要。又由產卵行為觀察發現,雌蟲遭遇紅豆的機率顯著較高,惟即使提供相同遭遇機率,雌蟲仍偏好在紅豆上產卵。此外,雌蟲拒絕產卵時之檢識時間,在紅豆上顯著較高;而接受紅豆或綠豆並產卵之處理時間則差異不顯著。在無法找到適當的偏好指數時,探明雌蟲的產卵行為與產卵偏好的關係,可提供評估寄主偏好所需之重要資訊。

並列摘要


The oviposition choice of Callosobruchus maculatus was tested by providing different ratios of azuki and mung beans to the female. The results show that females preferred to deposit eggs on azuki beans. The fraction of eggs laid on azuki beans increased with increasing ratio of azuki beans, whereas it decreased with a decreasing duration of oviposition. Even when the data were transformed to a preference index, the effects of host ratio and oviposition duration were not eliminated. The ovipositional behavior was observed on different beans. The results indicate that the probability of the female encountering azuki beans was significantly higher than that of mung beans, but even when the female was provided with the same probability of evcounter it still preferred to lay eggs on azuki beans. Females tended to spent more inspecting time on azuki beans than on mung beans, but the handling time spent on these two hosts was found no differences. The results indicate that the relationship between egg-laying behavior and oviposition preference may provide important information for the evaluation of host preference of cowpea weevils.

被引用紀錄


戴孝閔(2005)。寄主經驗對四紋豆象寄主偏好之作用及機制〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2005.03044

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