EFFECTS AND MODES OF ACTION OF CITRUS LIMONOIDS AGAINST LEPTINOTARSA-DECEMLINEATA

被引：33

作者：

LIU, YB

ALFORD, AR

RAJAB, MS

机构：

[1] UNIV MAINE,DEPT ENTOMOL,ORONO,ME 04469

[2] UNIV MAINE,DEPT CHEM,ORONO,ME 04469

来源：

PHYSIOLOGICAL ENTOMOLOGY | 1990年 / 15卷 / 01期

关键词：

Antifeedant; Colorado potato beetle; Leptinotarsa decemlineata; limonoid;

D O I：

10.1111/j.1365-3032.1990.tb00490.x

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

ABSTRACT Limonin and its five derivatives were evaluated in feeding bioassays for depression effects on feeding, growth and development of the fourth stadium Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae). Epilimonol and limonin diosphenol were most effective in depression of feeding and growth, with ED50s 10 and 8 μg/cm2. At a dosage of 31.6 μg/cm2, epilimonol, limonin diosphenol and limonin caused both significant feeding reduction and developmental delay, while deoxylimonol, tetrahydrolimonin and limonol were not effective. Mouth‐part coating and antifeedant bioassays show that feeding inhibition at host acceptance level seems to be the primary mode of action of epilimonol and limonin diosphenol. Copyright © 1990, Wiley Blackwell. All rights reserved

引用

页码：37 / 45

页数：9

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