Journal Article <論文・報告>ハスモンヨトウの暴食を抑える方法による害虫制御の可能性の探求

植村, 麻弥  ,  中田, 隆  ,  吉田, 達哉  ,  森, 直樹

1pp.85 - 87 , 2016-03 , 京都大学学際融合教育研究推進センター高大接続科学教育ユニット
農学 昆虫世界の謎解き
The common cutworm, Spodoptera litura (F.), is one of the most destructive polyphagous pests in the world. To identify phytochemicals that can restrain the voracity of S. litura larvae and thus be used for pest control, the larvae were fed leaves from unidentified Lavandula sp. (Lamiaceae), Japanese pepper (Rutaceae: Zanthoxylum piperitum), Japanese mustard spinach (Brassicaceae: Brassica rapa var. perviridis), narrowleaf angelonia (Scrophulariaceae: Angelonia salicariifolia), and soybean (Fabaceae: Glycine max var. Tamahomare). We observed that S. litura larval growth was clearly inhibited by Japanese mustard spinach and narrowleaf angelonia leaves. Larvae that were fed leaves from these two species weighed less than larvae that were fed soybean leaves. When we determined the amounts of mono-, di-, tri-, and tetrasaccharides in S. litura larvae that were fed either Japanese mustard spinach, narrowleaf angelonia, or soybean (Tamahomare) leaves, we found lower levels of these sugars in larvae that were fed leaves from the former two plant species.

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