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Jukka Selander, Paavo Kalo

Männyn taimen pihkan monoterpeenien vaikutuksista tuhonkestävyyteen tukkimiehentäitä, Hylobius abietis L. ( Coleoptera, Curculionidae) vastaan.

Selander J., Kalo P. (1979). Männyn taimen pihkan monoterpeenien vaikutuksista tuhonkestävyyteen tukkimiehentäitä, Hylobius abietis L. ( Coleoptera, Curculionidae) vastaan. Silva Fennica vol. 13 no. 2 article id 5022. https://doi.org/10.14214/sf.a14876

English title: Evaluation of resistance of Scots pine seedlings against the large pine weevil Hylobius abietis L. in relation to their monoterpene composition.

Abstract

The development of Scots pine (Pinus sylvestris L.) seedlings and damage caused by Hylobius abietis L. (Coleoptera, Curculionidae) were studied during a three-year period. Olfactory responses of H. abietis was studied in laboratory with several volatile oils isolated from different kinds of P. sylvestris seedlings. Resistance of seedlings against H. Abietis was evaluated in terms of their monoterpene composition. Three aspects of resistance (preference, antibiosis and tolerance) were evaluated separately. Seedling chemotype was found to be associated with these aspects of host resistance on only minor scale. Discussion was attached to a further search for host resistance arising from other properties and constituents of oleoresin. Height growth of the seedlings recovering from weevil damage was 86–91% compared to healthy seedlings.

The PDF includes a summary in English.

Original keywords
mänty; tukkimiehentäi; hyönteistuhot; taimet; resistenssi; monoterpeeni

English keywords
Hylobius abietis; large pine weevil; Scots pine; Pinus sylvestris; insect damages; insect resistance; monoterpenes; seedlings

Published in 1979

Available at https://doi.org/10.14214/sf.a14876 | Download PDF

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