Olavi Junttila

Professor

Telefon (+47)
776 44430

E-post
olavi.junttila@ib.uit.no

Faggruppe
plfys/mik

Kontor/besøk
2322

Biografiske data

Født 18.02.42, Dr. Agric. 1974, ansatt ved UiTø fra 1973.

Forskningsinteresser

Plantefysiologi, utviklingsfysiologi, plantehormoner, frostherdighet, planteproduksjon

Forskningsprosjekter

”Molecular mechanisms of climatic adaptation in trees” (NFR, 2003-2006)

Publikasjoner

PRIMARY RESEARCH PAPERS IN REFEREED JOURNALS SINCE 2002

Olsen, J. E. and Junttila, O. 2002. Far red end of day treatment restores wild type like plant length, cell number and GA content in phytochrome A overexpressing hybrid aspen. Physiol. Plant. 115:448-457.

Welling, A., Moritz, T., Palva, T. E. and Junttila, O. 2002. Low temperature and phytochrome mediated photoperiod induce distinct cold acclimation pathways in hybrid aspen. Plant Physiol. 129:1633-1641.

Li, C., Puhakainen,T., Welling, A., Viherä-Aarnio, A., Ernstsen, A., Junttila, O. , Heino, P. and. Palva,
E. T. 2002. Cold acclimation in Silver birch (Betula pendula). Development of freezing tolerance in different tissues and climatic ecotypes. Physiol. Plant. 116: 478-488.

Li, C., Viherä-Aarnio, A., Puhakainen, T., Junttila, O., Heino, P. and Palva, E. T. 2003. Ecotype-dependent control of growth, dormancy and freezing tolerance under seasonal changes in Betula pendula Roth. Trees 17:127-132.

Li, C., Junttila,O., Ernstsen, A., Heino, P. Palva, T.E. T.2003. Photoperiodic control of growth, cold acclimation and dormancy development in silver birch (Betula pendula Roth) ecotypes. Physiol. Plant. 117: 206-212.

Li, C., Junttila, O., Heino, P. and Palva, E. T. 2003. Different responses of northern and southern ecotypes of Betula pendula to exogenous ABA application. Tree Physiol. 23: 481-487.

Junttila, O., Nilsen, J. and Igeland, B. 2003. Effect of temperature on the induction of bud dormancy in various ecotypes of Betula pubescens and B. pendula. Scand. J. For. Res. 18:208-217.

Grindal Patil, G., Alm, V., Moe, R. and Junttila, O. 2003. Interaction between phytochrome B and gibberellins in thermoperiodic responses of cucumber. J. Amer. Soc. Hort. Sci. 128:642-647.

Havstad, L., Aamlid, T. S., Heide, O. M. and Junttila, O. 2003. Transfer of floral stimuli between tillers in photoperiodically split plants of Dactylis glomerata and Bromus inermis. Physiol. Plant. 118: 270-277.

Mölmann, J. A., Berhanu, A. T., Stormo, S. K., Ernstsen, A., Junttila, O. and Olsen, J. E. 2003. Metabolism of gibberellin A19 is under photoperiodic control in Populus, Salix and Betula, but not in daylength-insensitive Populus overexpressing phytochrome A. Physiol. Plant. 119:278-286.

King, R. W., Junttila, O., Mander, L. N. and Beck, E. J. 2004. Gibberellin structure and function: biological activity and competitive inhibition of gibberellin 2- and 3-oxidases. Physiol. Plant. 120: 287-297.

Havstad, L. T., Aamlid, T. S., Heide, O. M. and Junttila, O. 2004. Transfer of flower induction stimuli to non-exposed tillers in a selection of temperate grasses. Acta Agric. Scand., Sect. B, Soil and Plant Sci. 54:23-30.

Martinussen, I., Nilsen, G., Svenson, L. and Junttila, O. 2004. In vitro propagation of cloudberry (Rubus chamaemorus). Plant Cell Tissue and Organ Culture 78: 43-49.

Li, C., Junttila, O., Heino, P. and Palva, E. T. 2004. Low temperature sensing in silver birch (Betula pendula Roth) ecotypes. Plant Science 167: 165-171.

Hytönen, T., Palonen, P., Mouhu, K. and Junttila, O. 2004. Crown branching and cropping potential in strawberry (Fragaria x ananassa Duch.) can be enhanced by day length treatments. J. Hort. Sci & Biotechn. 79: 466-471.

Li, C., Junttila, O. and Palva, E. T. 2004. Environmental regulation and physiological basis of freezing tolerance in woody plants. Acta Physiologiae Plantarum 26: 213-222.

Odland, A., Junttila, O. and Nilsen, J. 2004. Growth responses of Matteuchia struthiopteris plants from northern and southern Norway exposed to different temperature and photoperiod treatments. Nordic J. Bot. 23: 237-246.

Tsegay, Berhanu, A., Lund, L., Nilsen, J., Olsen, J. E., Mølmann, J. M., Ernstsen, A. and Junttila, O. 2005. Growth responses of Betula pendula ecotypes to red and far-red light. Electronic J. Biotechnology 8: 17-27.

Mølmann, J. M., Junttila, O., Johnsen, Ø. And Olsen, J. E. 2005. Effects of red, far-red and blue light in maintaining growth in latitudinal populations of Norway Spruce (Picea abies). Plant, Cell & Environm. In press.

Li, C., Yang, Y., Junttila, O. and Palva, E. T. 2005. Sexual differences in cold acclimation and freezing tolerance development in sea buckthorn (Hippophae rhamnoides L.) ecotypes. Plant Science 168: 1365-1370.


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