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  • Danielsson, MarieKTH,Organisk kemi,Ecological Chemistry Group (author)

Mini-seedlings of Picea abies are less attacked by Hylobius abietis than conventional ones : Is plant chemistry the explanation?

  • Article/chapterEnglish2008

Publisher, publication year, extent ...

  • 2008-08-19
  • Informa UK Limited,2008
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-8333
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-8333URI
  • https://doi.org/10.1080/02827580802203560DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:du-2544URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20100818. Uppdaterad från manuskript till artikel (20100818). Tidigare titel: Why are mini seedlings less attacked by Hylobius abietis than conventional ones: is plant chemistry the answer?
  • The pine weevil, Hylobius abietis (L.), is a major pest in conifer reforestation areas in the Palaearctic region. Size and chemistry of the seedlings may explain the damage rates in plantations. The performance of 10-week containerized seedlings (mini-seedlings) was compared with 1-year-old conventional seedlings of Norway spruce, Picea abies (L.), in a field experiment in central Sweden. After 2 years the weevil damage was lower for the mini-seedlings than for the conventional seedlings (3.5 vs 55%). After 3 years, the overall survival was 82 and 75%, respectively. Weevil damage was the main cause of mortality for conventional seedlings, whereas mini-seedlings mainly died from drought. Volatiles of the two seedling types were compared by solid-phase microextraction-gas chromatography -mass spectrometry (SPME-GC-MS). Unwounded mini-seedlings and conventional seedlings differed in their compositions of monoterpenes and sesquiterpenes. Miniseedlings mainly emitted limonene, known to be repellent to the pine weevil. When wounded, green leaf volatiles were released by mini-seedlings while the pine weevil attractant alpha-pinene was released by conventional seedlings. Volatiles may partly explain the mini-seedlings' resistance against weevil attack. Further studies are needed to clarify how long this miniseedling effect remains.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Kännaste, AstridKTH,Organisk kemi,Ecological Chemistry Group(Swepub:kth)u1pesp1h (author)
  • Lindström, AndersHögskolan Dalarna,Skog- och träteknik(Swepub:du)ali (author)
  • Hellqvist, ClaesDepartment of Ecology, Swedish University of Agricultural Sciences (author)
  • Stattin, EvaHögskolan Dalarna,Skog- och träteknik(Swepub:du)esa (author)
  • Långström, BoDepartment of Ecology, Swedish University of Agricultural Sciences (author)
  • Borg-Karlson, Anna-KarinKTH,Organisk kemi,Ecological Chemistry Group(Swepub:kth)u1q875ig (author)
  • Pettersson, Marie (author)
  • KTHOrganisk kemi (creator_code:org_t)

Related titles

  • In:Scandinavian Journal of Forest Research: Informa UK Limited23:4, s. 299-3060282-75811651-1891

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