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Electrophysiological studies and identification of possible sex pheromone components of Brazilian populations of the sugarcane borer, Diatraea saccharalis
KTH, Sweden.
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2002 (English)In: Zeitschrift für Naturforschung C - A Journal of Biosciences, ISSN 0939-5075, E-ISSN 1865-7125, Vol. 57, no 7-8, 753-758 p.Article in journal (Refereed) Published
Abstract [en]

Virgin female gland extracts of sugarcane moth Diatraea saccharalis (Fabricius) (Lepidoptera: Pyralidae), from three locations in Brazil, have been analyzed. By GC-MS analysis and comparison of the chromatographic retention time of the components of the pheromone gland with those retention times of synthetic standards, we observed the presence of (Z)-hexadec-11-enal (1), hexadecanal (2), (9E,11E)-hexadecadienal (4), (9Z,11Z)-hexadecadienal (5) and (9E,11E)-hexadecadienal (6), as minor components besides the major constituent (9Z,11E)-hexadecadienal (3) already reported. We found no variations in the composition of the gland extracts deriving from the three Brazilian populations and only two compounds, (Z)-hexadec-11-enal (1) and (9Z,11E)-hexadecadienal (3), elicited antennal responses (GC-EAD). In electroantennography (EAG), however, pure compounds 1 and 3, a binary mixture containing 1 and 3, and a mixture containing all of the six synthetic compounds 1-6 elicited a depolarization in male antennae of D. saccharalis, without any statistically different delay. The EAG responses to the other isomers of 9,11-hexadecadienal were small and not significantly different from the control, except for the (9Z,11Z)-isomer (5) which showed an relatively strong electroantennal activity.

Place, publisher, year, edition, pages
2002. Vol. 57, no 7-8, 753-758 p.
Keyword [en]
diatraea saccharalis, sex pheromone, (9z, 11e)- hexadecadienal
National Category
Natural Sciences
Research subject
Natural Science, Ecological chemistry
Identifiers
URN: urn:nbn:se:lnu:diva-14121ISI: 000178355500033OAI: oai:DiVA.org:lnu-14121DiVA: diva2:440786
Note

599VH Times Cited:4 Cited References Count:18

Available from: 2011-09-13 Created: 2011-09-13 Last updated: 2017-01-11Bibliographically approved

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Unelius, C. Rikard
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CiteExportLink to record
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Citation style
  • apa
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