Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 64694
Title Analysis of sex pheromone gland content of individual Symmetrischema tangolias by means of direct gland introduction into a two-dimensional gas chromatograph
Author(s) Griepink, F.C.; Drijfhout, F.P.; Beek, T.A. van; Visser, H.J.; Groot, C.P.G.M. de
Source Journal of Chemical Ecology 26 (2000)4. - ISSN 0098-0331 - p. 1013 - 1023.
DOI https://doi.org/10.1023/A:1005468415186
Department(s) Laboratory for Organic Chemistry
Plant Research International
EPS
Publication type Refereed Article in a scientific journal
Publication year 2000
Abstract The amounts and ratios of the four constituents of the sex pheromone gland of the moth Symmetrischema tangolias were measured during a 24-hr dark–light cycle. A new approach was followed that involved the direct introduction of sex pheromone glands into the liner of a two-dimensional gas chromatograph (2D-GC) by using a special temperature programmable GC injector. With this method it was possible to examine individual glands without prior processing. This provides a clear advantage over other methods. The detection limit was 0.5 ng. The total amount of sex pheromone in the glands varied strongly from individual to individual (3.8–350 ng/female). The total sex pheromone amounts were significantly lower in the scotophase than in the photophase (62.2 and 101.5 ng/female, respectively). The ratios of the various gland constituents showed a symmetrical distribution, which did not fluctuate during the 24-hr dark–light cycle.
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