Ráðunautafundur - 15.02.2001, Page 285
275
Áslaug Helgadóttir, 1997. Kynbætur belgjurta. Búvísindi 11/97: 29-40.
Collins, R.P., Helgadóttir, Á., Fothergill, M. & Rhodes, I., 2001. Variation amongst survivor populations of two
vvhite clover cultivars collected from sites across Europe. 1. Morphological and reproductive traits. Annals of
Botany, special issue (i prentun).
Frankow-Lindberg. B.E., 1999. Effects of adaptation to winter stress on biomass production, growth and morph-
ology of three contrasting white clover cultivars. Physiologia Plantarum 106: 196-202.
Helgadóttir, Á., Dalmannsdóttir, S. & Collins, R.P., 2001. Adaptational changes in populations of contrasting
white ciover cultivars selected under Icelandic conditions. Annals of Botany, special issue (í prentun).
Heide. O., 1985. Physiological aspects of climatic adaptation in plants vvith special reference to high-latitude
environments. Í: Plant Production in the North (ritstj. Kaurin, Á., JunUila, O. & Nilsen, J.). Norvvegian
University Press, Oslo, 1-22.
Hólmgeir Björnsson & Þórdís A. Kristjándsdóttir (ritstj.), 2000. Jaröræktarrannsóknir 1999. Fjölrit RALA nr
205. ~
Williams, W.M.. 1987. Adaptive variation. í: White Clover (ritstj. Baker, M.J. & Williams, W.M.). CAB Inter-
national, Wallingford, 299-321.