Role of monoterpenes in Hylobius abietis damage levels between cuttings and seedlings of Picea sitchensis

Stuart Kennedy, Andrew David Cameron, Vera Thoss, Michael Wilson

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This study investigated the role of monoterpenes, a group of chemicals known to be involved in plant defence, in the susceptibility of Sitka spruce [Picea sitchensis (Bong.) Carr.] plants derived from both cuttings and seedlings to attack by the large pine weevil Hylobius abietis (L.). Results showed that, given the choice, weevils prefer to feed on the shoots of seedlings than of cuttings and that this preference continued over a period of 6 days, although the overall level of feeding declined. This observation was associated with a higher level of monoterpenes in the shoots from cuttings than in those from seedlings. When the weevils were restricted to the stems and given no choice, levels of damage to the bark were similar in both plant types.

Original languageEnglish
Pages (from-to)340-344
Number of pages5
JournalScandinavian Journal of Forest Research
Volume21
Issue number4
Publication statusPublished - Aug 2006

Keywords

  • cuttings
  • Hylobius abietis
  • Large Pine weevil
  • Picea sitchensis
  • seedlings
  • Sitka spruce
  • White Pine weevil
  • Norway spruce
  • Curculionidae
  • Coleoptera
  • resistance
  • conifers
  • growth
  • bark

Cite this

Role of monoterpenes in Hylobius abietis damage levels between cuttings and seedlings of Picea sitchensis. / Kennedy, Stuart; Cameron, Andrew David; Thoss, Vera; Wilson, Michael.

In: Scandinavian Journal of Forest Research, Vol. 21, No. 4, 08.2006, p. 340-344.

Research output: Contribution to journalArticle

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abstract = "This study investigated the role of monoterpenes, a group of chemicals known to be involved in plant defence, in the susceptibility of Sitka spruce [Picea sitchensis (Bong.) Carr.] plants derived from both cuttings and seedlings to attack by the large pine weevil Hylobius abietis (L.). Results showed that, given the choice, weevils prefer to feed on the shoots of seedlings than of cuttings and that this preference continued over a period of 6 days, although the overall level of feeding declined. This observation was associated with a higher level of monoterpenes in the shoots from cuttings than in those from seedlings. When the weevils were restricted to the stems and given no choice, levels of damage to the bark were similar in both plant types.",
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