日本応用動物昆虫学会誌
Online ISSN : 1347-6068
Print ISSN : 0021-4914
原著
ホオズキ葉から分離されたニジュウヤホシテントウの摂食刺激因子
堀 雅敏荒木 佑子菅野 亘臼井 義隆松田 一寛
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2005 年 49 巻 4 号 p. 251-254

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Hozuki, Physalis alkekengi, is one of the host plants of the twenty eight-spotted ladybird, Epilachna vigintioctopunctata. We investigated feeding stimulants for E. vigintioctopunctata in hozuki leaves. The methanol extract of hozuki leaves and its chloroform-soluble fraction stimulated feeding of the adult beetle. Although the butanol-soluble and water-soluble fractions were inactive by themselves, the butanol-soluble fraction or the deposit formed during concentration of this fraction acted synergistically with the water-soluble fraction. The deposit was identified as luteolin 7-O-glucoside. This compound is considered to be one of the factors in hozuki that induce feeding in E. vigintioctopunctata.

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© 2005 日本応用動物昆虫学会
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