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Metsätieteen aikakauskirja Dissertationes Forestales Suo - Mires and Peat
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Full text of this article is only available in PDF format.

Kari Löyttyniemi (email)

Hybridihaavikoiden hyönteistuhoista.

Löyttyniemi K. (1972). Hybridihaavikoiden hyönteistuhoista. Silva Fennica vol. 6 no. 3 article id 4871. https://doi.org/10.14214/sf.a14678

English title: Insect damages in hybrid aspen stands

Abstract

Hybrid aspen (Populus tremula L. x Populus tremuloides Michx.) has been grown in Finland for about 20 years, and the area of the stands is currently about 400 ha. Growing is planned to be greatly expanded to grow raw material for match industry. The aim of this investigation was to study susceptibility of hybrid aspen to insect damages. Insect damages in hybrid aspen, growing in Southern Finland, were examined in 15 stands in 1972. Saperda species were observed to be the most numerous and harmful insect species. Saperda carcharias L. occurred in 26% and Saperda populnea L. in 36% off trees inspected. Mass occurrence of Chionaspis salicis L. was observed in some sample areas.

Original keywords
hyönteistuhot; hybridihaapa

English keywords
hybrid aspen; insect damages; Populus tremula x Populus tremuloides; Saperda populnea; Saperda carcharias; Chionaspis salicis; Populus x wettsteinii

Published in 1972

Views 3058

Available at https://doi.org/10.14214/sf.a14678 | Download PDF

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