| 单词 | methoprene |
| 释义 | methoprene n. Agric.|ˈmɛθəʊpriːn|
[f. meth- + isoprene n.]
A derivative of an isoprene polymer which has the effect on some insects of arresting development at an early (esp. larval) stage and is widely used in insecticidal preparations; propyl 2-(3,7,11-trimethyl-11-methoxydodec-2-4-dien)oate, C19H34O3.
1974Jrnl. Econ. Entomol. LXVII. 386/2 Methoprene effectively inhibited the development of horn flies in cattle manure at all 3 concentrations tested. 1978Nature 22 June 605/2 Several firms..have been interested in developing juvenile hormone mimics and one (methoprene) has been on the market for several years. 1979Ibid. 24 May 280/3 The flour beetle, Tribolium, has not only developed multiple resistance to conventional pesticides but also acquired significant cross-resistance to the growth inhibitor, methoprene. 1986C. A. Heaton Chem. Industry v. 279 Great success has been achieved with juvenile hormones in the laboratory but in the field it is much more difficult to judge the precise timing of application of the IGR [sc. insect growth regulator] to achieve maximum efficiency. The best-known commercial product is methoprene. |
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