Riitta Julkunen-Tiitto

Research.com Recognitions

• 2026 - Research.com Plant Science and Agronomy in Finland Leader Award
• 2025 - Research.com Plant Science and Agronomy in Finland Leader Award
• 2023 - Research.com Plant Science and Agronomy in Finland Leader Award
• 2022 - Research.com Plant Science and Agronomy in Finland Leader Award

Overview

Best Publications

• Phenolic constituents in the leaves of northern willows: methods for the analysis of certain phenolics.

  Riitta Julkunen-Tiitto

  1777
  Citations

• Effects of elevated CO2 and temperature on plant growth and herbivore defensive chemistry

  T. O. Veteli;K. Kuokkanen;R. Julkunen-Tiitto;H. Roininen

  303
  Citations

• Manipulation of the phenolic chemistry of willows by gall-inducing sawflies

  Tommi Nyman;Riitta Julkunen-Tiitto

  293
  Citations

• Testing the effects of drying methods on willow flavonoids, tannins, and salicylates.

  Riitta Julkunen-Tiitto;Sinikka Sorsa

  274
  Citations

• Phenolic compounds of willow bark as deterrents against feeding by mountain hare.

  J. Tahvanainen;E. Helle;R. Julkunen-Tiitto;A. Lavola

  267
  Citations

• Phenolic glycosides govern the food selection pattern of willow feeding leaf beetles.

  J. Tahvanainen;R. Julkunen-Tiitto;J. Kettunen

  252
  Citations

• Climate Change Effects on Secondary Compounds of Forest Trees in the Northern Hemisphere.

  Jarmo K. Holopainen;Virpi Virjamo;Rajendra P. Ghimire;James D. Blande

  216
  Citations

• HERBIVORE RESISTANCE IN BETULA PENDULA: EFFECT OF FERTILIZATION, DEFOLIATION, AND PLANT GENOTYPE

  Pia Mutikainen;Pia Mutikainen;Mari Walls;Jari Ovaska;Jari Ovaska;Markku Keinänen

  211
  Citations

• The effect of elevated carbon dioxide and fertilization on primary and secondary metabolites in birch,Betula pendula (Roth).

  A. Lavola;R. Julkunen-Tiitto

  210
  Citations

• Phenological variation as protection against defoliating insects: the case of Quercus robur and Operophtera brumata

  Olli-Pekka Tikkanen;Riitta Julkunen-Tiitto

  193
  Citations

• Phenolic constituents of Salix: A chemotaxonomic survey of further finnish species

  R. Julkunen-Tiitto

  182
  Citations

• Species-specific differences in synthesis of flavonoids and phenolic acids under increasing periods of enhanced blue light

  Kari Taulavuori;Valtteri Hyöky;Jari Oksanen;Erja Taulavuori

  182
  Citations

• TRADE-OFFS IN PHENOLIC METABOLISM OF SILVER BIRCH: EFFECTS OF FERTILIZATION, DEFOLIATION, AND GENOTYPE

  Markku Keinänen;Riitta Julkunen-Tiitto;Pia Mutikainen;Pia Mutikainen;Mari Walls

  174
  Citations

• Ontogenic development of chemical defense by seedling resin birch: Energy cost of defense production.

  John P. Bryant;Riitta Julkunen-Tiitto

  169
  Citations

• Phenolic composition and antioxidant capacity of bilberry (Vaccinium myrtillus) leaves in Northern Europe following foliar development and along environmental gradients.

  Françoise Martz;Laura Jaakola;Riitta Julkunen-Tiitto;Sari Stark

  162
  Citations

• Chemical diversity of several Betulaceae species: comparison of phenolics and terpenoids in northern birch stems

  R. Julkunen-Tiitto;Matti Rousi;John Bryant;Sinikka Sorsa

  160
  Citations

• Red : far-red light ratio and UV-B radiation: their effects on leaf phenolics and growth of silver birch seedlings

  R. Tegelberg;R. Julkunen-Tiitto;P. J. Aphalo;P. J. Aphalo

  158
  Citations

• A chemotaxonomic survey of phenolics in leaves of northern salicaceae species

  Riitta Julkunen-Tiitto

  156
  Citations

• Allocation of carbon to growth and secondary metabolites in birch seedlings under UV-B radiation and CO2 exposure

  Anu Lavola;Riitta Julkunen-Tiitto;Tania M. de la Rosa;Tarja Lehto

  154
  Citations

• Assessing the response of plant flavonoids to UV radiation: an overview of appropriate techniques

  Riitta Julkunen-Tiitto;Nikolaos Nenadis;Susanne Neugart;Matthew Robson

  152
  Citations

• Accumulation of phenolic compounds in birch leaves is changed by elevated carbon dioxide and ozone

  Petri A. Peltonen;Petri A. Peltonen;Elina Vapaavuori;Riitta Julkunen-tiitto

  149
  Citations