Publications

NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.

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1970

– Gonometa podocarpi Aur. (Lepidoptera: Lasiocampidae), a defoliator of exotic softwoods in East Africa. The biology and life cycle at Muko, Kigezi District in Uganda

Øystein Austarå

East African Agricultural and Forestry Journal, 36 1970. 275-289

Authors

Øystein Austarå

Abstract

Includes, inter alia: a list of the recorded hosts (conifers and broadleaved species) and localities of G. podocarpi in E. Africa; data on the relation of late-instar larval density to degree of defoliation; and natural control, especially by a virus disease and laboratory tests of three insecticides against late-instar larvae.

– Investigations in Lepidopterous defoliators of exotic softwood plantations in East Africa, July 1966-August 1970. Report to the Norwegian Agency for International Development (NORAD)

Øystein Austarå

, 1970. 9 pp.

Authors

Øystein Austarå

Abstract

No abstract has been registered

1969

– Neofabraea populi on Populus tremula x Populus tremuloides in Norway. Comparison with the conidial state of Neofabraea malicorticis

Finn Roll-Hansen, Helga Roll-Hansen

Meddelelser fra Det norske Skogforsøksvesen, 27 1969. 215-226

Authors

Finn Roll-Hansen Helga Roll-Hansen

Abstract

No abstract has been registered

– A method for construction of site-index curves

Bjørn Tveite

Meddelelser fra Det norske Skogforsøksvesen, 27 1969. 131-159

Authors

Bjørn Tveite

Abstract

No abstract has been registered

– The geographic variation of springfrost and growth cessation in Norway spruce (Picea abies (L.) Karst.)

Jon Dietrichson

Meddelelser fra Det norske Skogforsøksvesen, 27 1969. 91-106

Authors

Jon Dietrichson

Abstract

No abstract has been registered

– Prolonged diapause in Neodiprion sertifer (Geoffr.) (Hymenoptera: Diprionidae) from Gaupne in Western Norway

Øystein Austarå

Meddelelser fra Det norske Skogforsøksvesen, 27 1969. 201-213

Authors

Øystein Austarå

Abstract

No abstract has been registered

– Insect pests in forests of the Nordic countries 1961-1966

Erik Christiansen

Norsk Entomologisk Tidsskrift, 17 1969. 153-158

Authors

Erik Christiansen

Abstract

No abstract has been registered

– Genetic variation of cold damage, growth rhythm and hight growth in 4-year-old black spruce (Picea mariana (Mill.) BSP)

Jon Dietrichson

Meddelelser fra Det norske Skogforsøksvesen, 27 1969. 109-129

Authors

Jon Dietrichson

Abstract

No abstract has been registered

– A virus disease of Lechriolepis basirufa Strand (Lepidoptera: Lasiocampidae)

Øystein Austarå

East African Agricultural and Forestry Journal, 34 1969. 497-501

Authors

Øystein Austarå

Abstract

No abstract has been registered

– Evidence for the monocyclic nature of podzolized clay profiles in S.E. Norway

G.K. Rutherford

Meddelelser fra Det norske Skogforsøksvesen, 27 1969. 185-199

Authors

G.K. Rutherford

Abstract

No abstract has been registered

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