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Articles containing the keyword 'kirjanpainaja'
Category : Article
article id 5074,
category
Article
(1980).
Feromonivalmisteen käyttö kirjanpainajien torjumiseksi kuolevassa kuusikossa.
Silva Fennica
vol.
14
no.
2
article id 5074.
https://doi.org/10.14214/sf.a15015
English title: Use of synthetic pheromones for the control of spruce bark beetle in a heavily infested Norway spruce stand.
English keywords:
bark beetles;
insect damages;
prevention;
Ips typographus;
Ips duplicatus;
pheromones
Abstract |
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Author Info
The dying-off of more trees in an over-aged Norway spruce (Picea abies (L.) H. Karst.) stand caused by Ips-bark beetles was reduced by a pheromone preparation, ipslure. 20 preparations placed in trapping bolts captured more than 13,700 specimens of Ips typographus L. and Ips duplicatus Sahlb., which alone corresponded to a saving of five old trees in this valuable exhibition and seed collection stand. Attractance of ipslure to the following predators of bark beetles was also examined; Thanasimus formicarius, T. rufipes, Epuracea bickhardti, Rhizophagus ferrugineus, Pityophagus ferrugineus.
The PDF includes a summary in English.
-
Selander,
E-mail:
js@mm.unknown
- Nuorteva, E-mail: mn@mm.unknown
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