Authors: Valjakka, M Aronen, T Kangasjarvi, J Vapaavuori, E Haggman, H

Citation: M. Valjakka et al., Genetic transformation of silver birch (Betula pendula) by particle bombardment, TREE PHYSL, 20(9), 2000, pp. 607-613

Authors: Nikkanen, T Aronen, T Haggman, H Venalainen, M

Citation: T. Nikkanen et al., Variation in pollen viability among Picea abies genotypes - potential for unequal paternal success, THEOR A GEN, 101(4), 2000, pp. 511-518

Authors: Ryynahen, L Haggman, H

Citation: L. Ryynahen et H. Haggman, Substitution of ammonium ions during cold hardening and post-thaw cultivation enhances recovery of cryopreserved shoot tips of Betula pendula, J PLANT PHY, 154(5-6), 1999, pp. 735-742

Authors: Laukkanen, H Haggman, H Kontunen-Soppela, S Hohtola, A

Citation: H. Laukkanen et al., Tissue browning of in vitro cultures of Scots pine: Role of peroxidase andpolyphenol oxidase, PHYSL PLANT, 106(3), 1999, pp. 337-343

Authors: Haggman, H Jokela, A Krajnakova, J Kauppi, A Niemi, K Aronen, T

Citation: H. Haggman et al., Somatic embryogenesis of Scots pine: cold treatment and characteristics ofexplants affecting induction, J EXP BOT, 50(341), 1999, pp. 1769-1778