Heli Viiri
| Name | Heli Viiri |
|---|---|
| Affiliation | The Finnish Forest Research Institute Joensuu Yliopistokatu 6 P.O. Box 68 80101 Joensuu Finland |
| Website of affiliation | http://www.metla.fi/pp/1142/ |
| Personal website | http://www.metla.fi/pp/1142/index.htm |
| heli.viiri(at)metla.fi |
|
| Tel. | +358 50 3913126 |
| Fax | +358 10 2113001 |
| Remarks | research on forest regeneration pests |
| Last update | 8 Oct. 2010 |
Publications of Heli Viiri (12 listed):
Forests (2021) 12 (6 - 743)
Riikka Linnakoski, Ilmeini Lasarov, Pyry Veteli, Olli-Pekka Tikkanen, Heli Viiri, Tuula Jyske, Risto Kasanen, Tuan A. Duong and Michael J. Wingfield (2021)
Filamentous fungi and yeasts associated with mites phoretic on Ips typographus in eastern Finland
Canadian Journal of Forest Research - Revue Canadienne de Recherche Forestière (2017) 47, 1468-1473
Heli Viiri and Jaana Luoranen (2017)
Deep planting of Norway spruce seedlings: effects on pine weevil feeding damage and growth
Forest Ecology and Management (2008) 255, 522-529
Aki Pitkänen, Jari Kouki, Heli Viiri and Petri Martikainen (2008)
Effects of controlled forest burning and intensity of timber harvesting on the occurrence of pine weevils, Hylobius spp., in regeneration areas
Scandinavian Journal of Forest Research (2007) 22, 128-135
Heli Viiri, Anneli Tuomainen and Leo Tervo (2007)
Persistence of deltamethrin against Hylobius abietis on Norway spruce seedlings
Agricultural and Forest Entomology (2006) 8, 121-128
Riitta Toivonen and Heli Viiri (2006)
Adult large pine weevils Hylobius abietis feed on silver birch Betula pendula even in the presence of conifer seedlings
Scandinavian Journal of Forest Research (2005) 20, 47-53
Jaana Luoranen and Heli Viiri (2005)
Insecticides sprayed on seedlings of Picea abies during active growth: Damage to plants and effect on pine weevils in bioassay
Entomologia Experimentalis et Applicata (2005) 115, 117-124
Juha Heijari, Anne-Marja Nerg, Pirjo Kainulainen, Heli Viiri, Martti Vuorinen and Jarmo K. Holopainen (2005)
Application of methyl jasmonate reduces growth but increases chemical defence and resistance against Hylobius abietis in Scots pine seedlings
Agricultural and Forest Entomology (2005) 7, 319-331
A. Pitkänen, K. Törmänen, J. Kouki, E. Järvinen and H. Viiri (2005)
Effects of green tree retention, prescribed burning and soil treatment on pine weevil (Hylobius abietis and Hylobius pinastri) damage to planted Scots pine seedlings
Anzeiger für Schädlingskunde, Pflanzenschutz, Umweltschutz (2001) 74, 7-10
P. Martikainen, H. Viiri and M. Räty (2001)
Beetles (Coleoptera) caught with pheromones of Gnathotrichus retusus and G. sulcatus (Col., Scolytidae) in southern Finland
Entomologica Fennica (1997) 8, 193-195
H. Valkama, P. Martikainen and M. Raty (1997)
First record of North American ambrosia beetle Gnathotrichus materiarius (Fitch) (Coleoptera, Scolytidae) in Finland - a new potential forest pest?
Journal of Applied Entomology - Zeitschrift für angewandte Entomologie (1997) 121, 529-533
H. Viiri (1997)
Fungal associates of the spruce bark beetle Ips typographus L. (Col. Scolytidae) in relation to different trapping methods
Entomologica Fennica (1997) 8, 153-159
H. Valkama, M. Räty and P. Niemelä (1997)
Catches of Ips duplicatus and other non-target Coleoptera by Ips typographus pheromone trapping
