Wpływ rodzajów złomów sosnowych na ich zasiedlenie przez owady kambio- i ksylofagiczne

Piotr Bilański

Abstract

The aim of the study was to determine the susceptibility to colonization broken Scots pine (Pinus sylvestris L.) by cambio- and xylophagous insects. The study was conducted in the in the Mielec Forest District from 10 to 15 August 2000. This was done in selected forest stands damaged by snow, during the winter of 1999/2000 year. Stands were composed primarily of Scots pine, 63 and 70 years old. Colonization of trees by insects has been studied in one-meter sections broken stem and broken off the treetops and branches. For each insect species were determined constancy of occurrence and intensity of colonization broken trees. In order to determine the effect of the point of breakage on tree colonization by insects, has been distinguished tall broken stem, if the trees were broken at 50% of tree height and up or short broken stem, in the case of broken trees at less than half its height. The study also determined the percentage of broken trees attacked by two groups of insects. The first group includes species swarming in early spring. The second group includes insects swarming in late spring and summer. The results lead to the conclusion that the broken off the tree-tops and broken stems or tall and short broken stems differ in their attractiveness to cambio- and xylophagous insects. These broken pine trees were attacked by insects already in in the first growing season after an injury. The most important species in this group of insects were Tomicus piniperda (L.) and Pissodes piniphilus (Herbst.). Based on the results it is recommended to remove the short broken stems and tops of broken trees from stands in the first place, if the size of damage exceeds the ability to cutting and selling these trees before the flight of the younger generation of harmful insects.
Author Piotr Bilański (FoF / DoFPFEaC)
Piotr Bilański,,
- Department of Forest Protection, Forest Entomology and Climatology
Other language title versionsSusceptibility of Scots pine (Pinus sylvestris L.) types broken trees to attack by cambio- and xylophagous inscets
Pages111-124
Publication size in sheets0.65
Book Ząbecki Wojciech (eds.): Rola i udział owadów w funkcjonowaniu ekosystemów leśnych, 2013, Wydawnictwo Uniwersytetu Rolniczego, ISBN 978-83-60633-92-2, 349 p.
Keywords in Polishśniegołomy, złomy, sosna zwyczajna, kambio- i ksylofagi, zasiedlenie
Keywords in Englishsnow damage, broken trees, Scots pine, cambio- and xylophagous, attack
Abstract in PolishCelem badań było określenie podatności na zasiedlenie przez owady kambio- i ksylofagiczne wysokich i niskich złomów sosnowych. Badania przeprowadzono na terenie Nadleśnictwa Mielec od 10 do 15 sierpnia 2000 roku. Wykonano je w wybranych drzewostanach uszkodzonych przez okiść, podczas zimy 1999/2000 roku. Były to drzewostany złożone głównie z sosny zwyczajnej (Pinus sylvestris L.) w wieku 63 i 70 lat. Zasiedlenie drzew przez owady badano w jednometrowych sekcjach tylca i odłamanej części strzały oraz gałęzi korony. Wyniki badań pozwalają stwierdzić, iż wierzchołki i tylce oraz tylce złomów wysokich i niskich różnią się pod względem atrakcyjności dla owadów kambioi ksylofagicznych. Owady te już w pierwszym sezonie wegetacyjnym po wystąpieniu szkód zasiedlały złomy. Wśród nich dominowały Tomicus piniperda (L.) i Pissodes piniphilus (Herbst).
Internal identifierWL/M/27/2013; WL/6/19
Languagepl polski
Score (nominal)5
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