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Relative amounts and enantiomeric compositions of monoterpene hydrocarbons in xylem and needles of Picea abies
Abstract The relative amounts of 23 monoterpene hydrocarbons, including enantiomers, present in extracts of branch xylem and needles from 41 Picea abies plus-trees of widely different origins, wereExpand
Enantiomeric compositions of monoterpene hydrocarbons in different tissues of four individuals of Pinus sylvestris
Abstract The relative amounts of volatiles, mainly monoterpene hydrocarbons, were determined in eight different tissues of each of four individuals of Pinus sylvestris . The four trees representedExpand
Attack rates of scolytids and composition of volatile wood constituents in healthy and mechanically weakened pine trees
TLDR
The composition of volatile wood constituents in healthy and injured Scots pine trees, Pinus sylvestris L., was studied during three years using gas chromatography and differences in the monoterpene composition seemed to be important in differentiating these trees from healthy ones. Expand
Occurrence and Correlations of Monoterpene Hydrocarbon Enantiomers in Pinus sylvestris and Picea abies
The relative amounts and enantiomeric compositions of monoterpene hydrocarbons in branch and trunk xylem, in needles, and in resin from apical buds in 18 Pinus sylvestris trees have been determinedExpand
Antifeedants and Feeding Stimulants in Bark Extracts of Ten Woody Non-host Species of the Pine Weevil, Hylobius abietis
TLDR
The aromatic compounds benzyl alcohol and 2-phenylethanol are new non-host plant-derived feeding deterrents for the pine weevil and five commercially available hexanoate esters and two commercially available branched alcohols were identified as new active antifeedants. Expand
Synergism between ethanol and conifer host volatiles as attractants for the pine weevil, Hylobius abietis (L.) (Coleoptera: Curculionidae)
TLDR
Field tests using pitfall traps were conducted to test the relative attractiveness of conifer volatiles and ethanol to Hylobius abietis, finding α-pinene, a terpene blend, and ethanol were much less attractive than ethanol combined with any of the terpenes treatments. Expand
Contents and Enantiomeric Compositions of Monoterpene Hydrocarbons in Xylem Oleoresins from Four Pinus Species Growing in Cuba. Comparison of Trees Unattacked and Attacked by Dioryctria horneana
TLDR
Monoterpene hydrocarbons from the xylem oleoresin samples from trees, attacked and unattacked by the moth Dioryctria horneana, as well as from trees growing in different localities, were analyzed and showed that P. tropicalis and P. cubensis formed one group, separated from P. caribaea, while pines belonging to the species P. maestrensis were found in both groups. Expand
Correlations between selected monoterpene hydrocarbons in the xylem of six Pinus (Pinaceae) species
TLDR
None of the species showed good correlations in all the investigated monoterpene pairs presented here, and for these pairs of monoterpenes, good correlations were found in some species. Expand
Latex coatings containing antifeedants: formulation, characterization, and application for protection of conifer seedlings against pine weevil feeding.
Latex-based coatings for protection of tree seedlings against pest insect feeding are evaluated with respect to surface-, mechanical-, and release properties and antifeedant activity. The latexExpand
Enantiomeric compositions of monoterpene hydrocarbons in the wood of healthy and top-cut Pinus sylvestris
Abstract The enantiomeric compositions of seven monoterpene hydrocarbons occurring in Pinus sylvestris L. wood (including bark) before and after top-cutting were determined. The investigationExpand
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