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Research
papers
Bjørnstad, Å., 1981.
Photoperiodical after-effect of parent plant environment in Norway spruce
(Picea abies (L.) Karst) seedlings. Medd. Nor. Inst. skogforsk. 36: 1 -
30.
Dormling, I. & Ø. Johnsen,
1992. Effects of the parental environment on full-sib families of Pinus
sylvestris. Can. J. For. Res. 22:
88-100.
Dæhlen, A.G., Ø. Johnsen
& K. Kohmann, 1995. Autumn frost hardiness in young seedlings of
Norway spruce from Norwegian provenances and seed orchards. (Norwegian with
English summary). Rapp. Skogforsk. 1/95
1-24.
Edvardsen, Ø. M., Ø.
Johnsen & J. Dietrichson, 1996. Growth rhythm and frost hardiness
in northern progeny trials with plants from Lyngdal seed orchard. (Norwegian
with English summary). Rapp. Skogforsk 9/96.
1-9.
Hutchison. K., M. Greenwood, Ø.
Johnsen & T. Skrøppa, 1996. Genetic aftereffects of environmental
stress in conifers. Abstract from a Scientific Regional Information Exchange
Group Workshop, Texas A & M University,
Houston.
Johnsen, Ø., 1989a.
Phenotypic changes in progenies of northern clones of Picea abies (L.) Karst.
grown in a southern seed orchard. I. Frost hardiness in a phytotron experiment.
Scan. J. For. Res. 4: 317-330.
Johnsen, Ø., 1989b.
Phenotypic changes in progenies of northern clones of Picea abies (L.) Karst.
grown in a southern seed orchard. II. Seasonal growth rhythm and height in
field trials. Scan. J. For. Res. 4:
331-341.
Johnsen, Ø. & G.
Østreng, 1994. Effects of plus tree selection and seed orchard
environment on progenies of Picea abies. Can J. For. Res. 24:
32-38.
Johnsen, Ø., J. Dietrichson
and G. Skaret, 1989. Phenotypic changes in progenies of northern clones
of Picea abies (L.) Karst. grown in a southern seed orchard. III. Climatic
damage in a progeny trial. Scan. J. For. Res. 4: 343 -
350.
Johnsen, Ø., G. Haug, O.G.
Dæhlen, B.S. Grønstad & A.T. Rognstad, 1994a. Effects
of heat treatment, timing of heat treatment, and gibberellin A4/7 on flowering
in potted grafts of Picea abies. Scan. J. For. Res. 9:
333-340.
Johnsen, Ø., O.G. Dæhlen,
G. Haug, B.S. Grønstad & A.T. Rognstad, 1994b. Female cone
abortion and full seed production in an indoor seed orchard with potted grafts
of Picea abies. Scand. J. For. Res. 9:
329-332.
Johnsen, Ø., T. Skrøppa,
G. Haug, I. Apeland & G. Østreng, 1995. Sexual reproduction
in a greenhouse and reduced autumn frost hardiness of Picea abies progenies.
Tree Physiol. 15: 551-555.
Johnsen, Ø., T. Skrøppa,
O. Junttila & O. G. Dæhlen, 1996. Influence of the female flowering
environment on autumn frost-hardiness of Picea abies progenies. Theor Appl
Genet 92: 797-802.
Johnsen, Ø. & T.
Skrøppa. 2000. Provenances and families show different patterns
of relationship between bud set and frost hardiness in Picea abies. Can.
J. For. Res. 30: 1858-1866.
Owen, J, Ø. Johnsen, O.G.
Dæhlen and T. Skrøppa 2001. How may the effect of temperature
on early reproductive environment in Picea abies (L. Karst.) affect progeny?
Scand. J. For. Res. (In press).
Kohmann, K and Ø. Johnsen,
1994. The timing of bud-set in seedlings of Picea abies from seed crops
of a cool versus a warm summer. Silvae Genet. 43:
328-332.
Skrøppa, T., 1994. Growth
rhythm and hardiness of Picea abies progenies of high altitude parents from
seeds produced at low elevation. Silvae Genet. 43:
95-100.
Skrøppa. T. & K. Kohmann,
1997. Adaptation to local conditions after one generation in Norway spruce.
Forest Genetics 4: 165-171.
Skrøppa, T., T. Nikkanen,
S. Routsalainen, & Ø. Johnsen, 1994. Effects of sexual
reproduction at different latitudes on performance of the progeny of Picea
abies. Silvae Genet.
43:297-303.
Skrøppa, T., G. Hylen &
J. Dietrichson 1999. Relationships between wood density components and
juvenile height growth and growth rhythm traits for Norway spruce provenances
and families. Silvae Genet.
48:235-239.
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Review
papers
Johnsen, Ø., 1988. After-effects
on progenies from orchard clones moved to non-native environments. In: Physiology
and genetics of reforestation. Eds. J. Worrall, J. Loo-Dinkins and D.T. Lester.
Proc. of the Tenth North American Forest Biology Workshop, Vancouver, B.C.
July 20 - 22, 1988 pp 1-11.
Johnsen, Ø. & T.
Skrøppa, 1996. Adaptive properties of Picea abies progenies are
influenced by environmental signals during sexual reproduction. Euphytica
92: 67-71.
Johnsen, Ø. & T.
Skrøppa, 1997. Parents of Norway spruce adjust the performance
of their progeny according to changes in climate and weather during female
flowering. In: Mohren, G.M.J et al. (eds) Impact of global change on tree
physiology and forest ecosystems, pp. 159-163. Kluwer,
Dordrecht.
Skrøppa, T. & Ø.
Johnsen, 1994. The genetic response of plant population to a changing
environment: the case for non-Mendelian processes. NATO ASI Series, Vol.
I 20 Biodiversity, Temperate Ecosystems, and Global Change. (Eds: T.J.B.
Boyle and C.E.B.Boyle). Springer-Verlag Berlin Heidelberg 1994. pp
183-199.
Skrøppa, T. & Ø.
Johnsen, 1997. Conservation activities in Picea abies : genetic after-effects
of the reproductive environment and their possible causes and implications.
Proc. EUFORGEN Picea abies Network: Second Meeting:
60-63.
Skrøppa, T. & Ø.
Johnsen, 1999. Patterns of adaptive genetic variation in forest tree
species; the reproductive environment as an evolutionary force in Picea abies.
In: C. Mátyás (ed.) Forest Genetics and Sustainability. Kluwer
Academic Publishers: 49-58.
H. Hänninen, E. Beuker, Ø.
Johnsen, I. Leinonen, M. Murray, L. Sheppard and T. Skrøppa, 2001.
Impacts of Climate Change on Cold Hardiness of Conifers. In: F.J.Bigras and
S.J. Colombo (eds.) Conifer Cold Hardiness, 305-333. Kluwer Academic Publishers.
Dordrecht, The Netherlands.
Other publications
presenting «after-effect» results
Bigras, F. & J. Bonlieu, 1997.
Influence of maternal environment on frost tolerance of Picea glauca progenies.
In: Proceedings of the twenty-sixth meeting of the Canadian Tree Improvement
Association, Part 2, p. 91.
Greenwood, M. S. & K. W. Hutchison,
1996. Genetic aftereffetcs of increased temperature in Larix. In: J.
Hom, R.Birdsey and K. O’Brian (eds): Proceedings 1995 Meeting of the
Northern Global Change Program 14-16 March 1995. Pp.
56-62.
Lindgren, D. & Q. Wang, 1986.
Are genetic results influenced by the environment during seed maturation
? In Proc. IUFRO Conference on Breeding Theory, Progeny Testing and Seed
Orchards. Williamsburg, Virginia, USA. Pp.
192-199.
Lindgren, D. & R.-P. Wei,
1994. Effects of maternal environment on mortality and growth in young
Pinus sylvestris in field trials. Tree Phys. 14:
323-327.
Stoehr, M. U., S. J. L’Hirondelle,
W. D. Binder & J. E. Webber, 1998. Parental environmental aftereffects
on germination, growth and adaptive traits in selected white spruce families.
Can. J. For. Res. 28: 418-426.
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