期刊
JOURNAL OF STORED PRODUCTS RESEARCH
卷 43, 期 4, 页码 571-577出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jspr.2007.03.007
关键词
Tribolium confusion; monoterpenoids; 1,8-cineole; terpinen-4-ol; (R)-(+)-Limonene; linalool; geraniol; fecundity reduction; egg hatchability; adultoids
类别
Five monoterpenoids (terpinen-4-ol, 1,8-cineole, linalool, R-(+)-limonene and geraniol) were tested in vapour form against different stages of Tribolium confusum. Terpinen-4-ol (with LC50 values ranging between 1.1 and 109.4 mu l/1 air), (R)-(+)-limonene (with LC50 values ranging between 4 and 278 mu l/1 air) and 1,8-cineole (with LC50 values ranging between 3.5 and 466 mu l/1 air) were the most toxic to all stages tested, followed by linalool (with LC50 values ranging between 8.6 and 183.5 mu l/1 air) while the least toxic monoterpenoid tested was geraniol with LC50 values ranging between 607 and 1627 mu l/1 air. In all cases, except for geraniol, third-instar larvae were the most susceptible stage and 3-day-old eggs most tolerant. Apart from the observed direct toxicity, exposure of females to the vapours led in some cases to lower fecundity and egg hatchability. All monoterpenoids tested revealed insect growth regulator (IGR)-like properties when applied to 3-day-old pupae, producing adultoids and deformed adults. (c) 2007 Elsevier Ltd. All rights reserved.
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