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List of works by Riitta Julkunen-Tiitto

1,6-Dehydropinidine Is an Abundant Compound in Picea abies (Pinaceae) Sprouts and 1,6-Dehydropinidine Fraction Shows Antibacterial Activity against Streptococcus equi Subsp. equi

scientific article published on 06 October 2020

A Seven-Year Study of Phenolic Concentrations of the Dioecious Salix myrsinifolia

scientific article published on 19 March 2018

A chemotaxonomic survey of phenolics in leaves of northern salicaceae species

article published in 2002

Accumulation of phenolics and growth of dioecious Populus tremula (L.) seedlings over three growing seasons under elevated temperature and UVB radiation

scientific article published on 18 May 2021

Alkaloid-Rich Crude Extracts, Fractions and Piperamide Alkaloids of Piper guineense Possess Promising Antibacterial Effects

scientific article published on 09 November 2018

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

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

article

Assessment of UV biological spectral weighting functions for phenolic metabolites and growth responses in silver birch seedlings.

scientific article published in November 2009

Belowground responses of Scots pine (<i>Pinus sylvestris</i>) seedlings to experimental warming, moderate nitrogen addition, and bark herbivory

scientific article published in 2019

Bioactive Polyphenols in Leaves, Stems, and Berries of Saskatoon (Amelanchier alnifolia Nutt.) Cultivars ⬇️

scientific article published on January 23, 2012

Boron fertilization enhances the induced defense of silver birch

scientific article published on 13 April 2011

Boron mobility in deciduous forest trees in relation to their polyols

article

Boron retranslocation in Scots pine and Norway spruce

scientific article published in September 2004

Carotenoid-based colour polyphenism in a moth species: search for fitness correlates

article by Siiri-Lii Sandre et al published September 2007 in Entomologia Experimentalis et Applicata

Characterisation of two unique unifloral honeys from the boreal coniferous zone: lingonberry and mire honeys

scientific article published in 2012

Chemical variation within and among six northern willow species

scientific article published on 15 November 2005

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

scientific article published on 02 October 2018

Clonal differences in growth and phenolics of willows exposed to elevated ultraviolet-B radiation

scientific article

Combination treatment of elevated UVB radiation, CO2 and temperature has little effect on silver birch (Betula pendula) growth and phytochemistry

scientific article

Combined effect of elevated UVB, elevated temperature and fertilization on growth, needle structure and phytochemistry of young Norway spruce (Picea abies) seedlings

scientific article

Combined enhancements of temperature and UVB influence growth and phenolics in clones of the sexually dimorphic Salix myrsinifolia ⬇️

scientific article published on February 2, 2012

Concentrations of foliar quercetin in natural populations of white birch (Betula pubescens) increase with latitude

scientific article

Condensed conifer tannins as antifungal agents in liquid culture

article

Costs of herbivore resistance in clonal saplings of Betula pendula

scientific article

Dark‐leaved willow (Salix myrsinifolia) is resistant to three‐factor (elevated CO2, temperature and UV‐B‐radiation) climate change ⬇️

scientific article published on December 22, 2010

Decreased anthocyanidin reductase expression strongly decreases silver birch (Betula pendula) growth and alters accumulation of phenolics

scientific article published on 22 January 2015

Defoliation-induced responses in peroxidases, phenolics, and polyamines in scots pine (Pinus sylvestris L.) needles

scientific article published in August 2003

Differences in leaf characteristics between ozone-sensitive and ozone-tolerant hybrid aspen (Populus tremula x Populus tremuloides) clones

scientific article published on 3 December 2008

Differences in vole preference, secondary chemistry and nutrient levels between naturally regenerated and planted Norway spruce seedlings

scientific article published on 9 October 2013

Different response of two reindeer forage plants to enhanced UV-B radiation: modification of the phenolic composition

scientific article published in 2010

Differential phenolic profiles in six African savanna woody species in relation to antiherbivore defense

scientific article published on 27 May 2011

Does the Growth Differentiation Balance Hypothesis Explain Allocation to Secondary Metabolites in Combretum apiculatum , an African Savanna Woody Species?

scientific article published on 14 January 2017

Dry-air drying at room temperature - a practical pre-treatment method of tree leaves for quantitative analyses of phenolics?

scientific article published on 9 March 2018

Dual RNA-seq analysis provides new insights into interactions between Norway spruce and necrotrophic pathogen Heterobasidion annosum s.l

scientific article published on 03 January 2019

Ecological role of reindeer summer browsing in the mountain birch (Betula pubescens ssp. czerepanovii) forests: effects on plant defense, litter decomposition, and soil nutrient cycling

scientific article published on 23 November 2006

Effect of Sample Preparation Method on Birch (Betula pendula Roth) Leaf Phenolics

scientific article published on 26 July 2002

Effect of climate change on bud phenology of young aspen plants (Populus tremula. L).

scientific article published on September 2017

Effect of different organic farming methods on the phenolic composition of sea buckthorn berries

scientific article published in March 2009

Effect of latitude and altitude on the terpenoid and soluble phenolic composition of juniper (Juniperus communis) needles and evaluation of their antibacterial activity in the boreal zone.

scientific article published on October 2009

Effect of the temperature and the exclusion of UVB radiation on the phenolics and iridoids in Menyanthes trifoliata L. leaves in the subarctic.

scientific article published on 17 July 2009

Effects of Overproduction of Condensed Tannins and Elevated Temperature on Chemical and Ecological Traits of Genetically Modified Hybrid Aspens (Populus tremula × P. tremuloides) ⬇️

scientific article published on October 4, 2012

Effects of different organic farming methods on the concentration of phenolic compounds in sea buckthorn leaves.

scientific article published in October 2006

Effects of elevated ultraviolet-B radiation on a plant-herbivore interaction

scientific article published on 16 May 2010

Effects of long-term UV-exposure and plant sex on the leaf phenoloxidase activities and phenolic concentrations of Salix myrsinifolia (Salisb.).

scientific article published in March 2018

Effects of long-term, elevated ultraviolet-B radiation on phytochemicals in the bark of silver birch (Betula pendula).

scientific article published in December 2002

Effects of soil pyrene contamination on growth and phenolics in Norway spruce (Picea abies) are modified by elevated temperature and CO2.

scientific article published on 23 February 2018

Elevated temperature and CO affect responses of European aspen (Populus tremula) to soil pyrene contamination

article

Environmental control and intersite variations of phenolics inBetula nanain tundra ecosystems

scientific article published in 2001

Epidihydropinidine, the main piperidine alkaloid compound of Norway spruce (Picea abies) shows antibacterial and anti-Candida activity

scientific article published on 21 December 2018

Epidihydropinidine, the main piperidine alkaloid compound of Norway spruce (Picea abies) shows promising antibacterial and anti-Candida activity

scientific article published on 2 February 2017

Estimating direct resistance in willows against a major insect pest, Phratora vulgatissima, by comparing life history traits

scientific article published on 17 April 2012

Expression of Vitreoscilla haemoglobin in hybrid aspen (Populus tremula x tremuloides).

scientific article

Extractives of Stemwood and Sawmill Residues of Scots Pine (Pinus sylvestris L.) for Biorefining in Four Climatic Regions in Finland—Phenolic and Resin Acid Compounds

scientific article published in 2021

Fertilization Changes Chemical Defense in Needles of Mature Norway Spruce (Picea abies).

scientific article published on 7 June 2018

Foliar phenolic composition of European white birch during bud unfolding and leaf development

scientific article published on 01 March 2002

Fourier-transform infrared (FT-IR) spectroscopy analysis discriminates asymptomatic and symptomatic Norway spruce trees

scientific article published on 03 September 2019

Gender differences in Salix myrsinifolia at the pre‐reproductive stage are little affected by simulated climatic change ⬇️

scientific article published on September 13, 2012

Genetic specificity of a plant-insect food web: Implications for linking genetic variation to network complexity

scientific article published on 8 February 2016

Genotypic variability in Populus tremula L. affects how anthropogenic nitrogen enrichment influences litter decomposition

Growth Responses of Boreal Scots Pine, Norway Spruce and Silver Birch Seedlings to Simulated Climate Warming over Three Growing Seasons in a Controlled Field Experiment

scientific article published in 2020

Growth and defense in deciduous trees and shrubs under UV-B.

scientific article

HOST PREFERENCE AND ALLOZYME DIFFERENTIATION IN SHOOT GALLING SAWFLY, EUURA ATRA.

scientific article

HPLC-DAD and UHPLC/QTOF-MS Analysis of Polyphenols in Extracts of the African Species Combretum padoides, C. zeyheri and C. psidioides Related to Their Antimycobacterial Activity

scientific article published on 29 July 2020

Herbivore Resistance in Betula pendula: Effect of Fertilization, Defoliation, and Plant Genotype

scientific article published in 2000

High daytime temperature delays autumnal bud formation in Populus tremula under field conditions

scientific article

High-performance liquid chromatographic determination of flavonoids in Betula pendula and Betula pubescens leaves

scientific article published on 25 July 2002

Host Genetics and Environment Drive Divergent Responses of Two Resource Sharing Gall-Formers on Norway Spruce: A Common Garden Analysis

scientific article

Host-plant preference of an insect herbivore mediated by UV-B and CO2 in relation to plant secondary metabolites

scientific article published in 1998

Hydrolyzable tannins (ellagitannins), flavonoids, pentacyclic triterpenes and their glycosides in antimycobacterial extracts of the ethnopharmacologically selected Sudanese medicinal plant Combretum hartmannianum Schweinf

scientific article published in 2021

Increased resistance of Bt aspens to Phratora vitellinae (Coleoptera) leads to increased plant growth under experimental conditions

scientific article (publication date: 2012)

Induced accumulation of phenolics and sawfly performance in Scots pine in response to previous defoliation

scientific article published on 5 December 2008

Innate and introduced resistance traits in genetically modified aspen trees and their effect on leaf beetle feeding

scientific article

Insect herbivores drive the loss of unique chemical defense in willows

Interactions of ectomycorrhizas and above-ground insect herbivores on silver birch

scientific article

Interactive effects of supplemental UV-B and temperature in European aspen seedlings: Implications for growth, leaf traits, phenolic defense and associated organisms

scientific article

Intraspecific competition, growth, chemistry, and susceptibility to voles in seedlings of Betula pendula

scientific article published in October 2006

Leaf phenolic compounds in red clover (Trifolium pratense L.) induced by exposure to moderately elevated ozone

scientific article

Long-term effects of boron and copper on phenolics and monoterpenes in Scots pine (Pinus sylvestris L.) needles

article by Aino Rummukainen et al published 29 June 2013 in Plant and Soil

Long-term effects of elevated CO2, nighttime warming and drought on plant secondary metabolites in a temperate heath ecosystem

scientific article published on 11 March 2020

Long-term experimental warming, shading and nutrient addition affect the concentration of phenolic compounds in arctic-alpine deciduous and evergreen dwarf shrubs

scientific article published on 23 September 2005

Long-term exposure to enhanced UV-B radiation has no significant effects on growth or secondary compounds of outdoor-grown Scots pine and Norway spruce seedlings

scientific article published on 02 March 2006

Medicinal Properties, In Vitro Protocols and Secondary Metabolite Analyses of Scots Pine

scientific article published on 01 January 2009

Metabolite profiling of leek (Allium porrum L) cultivars by (1) H NMR and HPLC-MS

scientific article published on 10 January 2014

New Light for Phytochemicals.

scientific article published on 19 September 2017

Nutrient availability and the effect of increasing UV-B radiation on secondary plant compounds in Scots pine

article by Anu Lavola et al published February 2003 in Environmental and Experimental Botany

Ontogeny and environment as determinants of the secondary chemistry of three species of white birch

scientific article

Performance of an herbivorous leaf beetle (Phratora vulgatissima) on Salix F2 hybrids: the importance of phenolics

scientific article published in March 2013

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

scientific article published on 19 August 2010

Phenolic compounds and expression of 4CL genes in silver birch clones and Pt4CL1a lines

scientific article

Phenolic compounds in Norway spruce as affected by boron nutrition at the end of the growing season

Phenolic compounds in Scots pine heartwood: are kelo trees a unique woody substrate?

article by Parvathy Venugopal et al published February 2016 in Canadian Journal of Forest Research

Phenolic compounds in ectomycorrhizal interaction of lignin modified silver birch

scientific article published on 29 September 2009

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

Phenolic responses of mountain crowberry (Empetrum nigrum ssp. hermaphroditum) to global climate change are compound specific and depend on grazing by reindeer (Rangifer tarandus).

scientific article

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

scientific article

Phytochemical Shift from Condensed Tannins to Flavonoids in Transgenic Betula pendula Decreases Consumption and Growth but Improves Growth Efficiency of Epirrita autumnata Larvae

scientific article published on 26 December 2019

Polyamine metabolism during exponential growth transition in Scots pine embryogenic cell culture.

scientific article published on 28 September 2012

Potential Anti-Tuberculosis Activity of the Extracts and Their Active Components of Anogeissus Leiocarpa (DC.) Guill. and Perr. with Special Emphasis on Polyphenols

scientific article published on 29 June 2020

Protein and phenolic content and antioxidant capacity of honey bee-collected unifloral pollen pellets from Finland

scientific article published on 21 April 2021

Quantitative metabolite profiling of edible onion species by NMR and HPLC-MS.

scientific article published on 6 June 2014

Red clover (Trifolium pratense L.) isoflavones: root phenolic compounds affected by biotic and abiotic stress factors

scientific article published in February 2010

Resource allocation in different parts of juvenile mountain birch plants: effect of nitrogen supply on seedling phenolics and growth ⬇️

scientific article published on 01 May 2003

Responses in growth and phenolics accumulation to lateral bud removal in male and female saplings of Populus tremula (L.) under simulated climate change

scientific article published on 20 November 2019

Rising atmospheric CO2 concentration partially masks the negative effects of elevated O3 in silver birch (Betula pendula Roth).

scientific article published on December 2009

Screening bioactivity and bioactive constituents of Nordic unifloral honeys

scientific article published on 18 May 2017

Seasonal fluctuations in leaf phenolic composition under UV manipulations reflect contrasting strategies of alder and birch trees

scientific article published on 27 July 2010

Sex-related differences in growth and carbon allocation to defence in Populus tremula as explained by current plant defence theories

scientific article published on 21 May 2014

Sex-related responses of European aspen (Populus tremula L.) to combined stress: TiO2 nanoparticles, elevated temperature and CO2 concentration

scientific article published on 20 March 2018

Silicon, endophytes and secondary metabolites as grass defenses against mammalian herbivores

scientific article

Simulated moose (Alces alces L.) browsing increases accumulation of secondary metabolites in bilberry (Vaccinium myrtillus L.) along gradients of habitat productivity and solar radiation

scientific article published on November 10, 2012

Solar UV-B radiation affects leaf quality and insect herbivory in the southern beech tree Nothofagus antarctica

scientific article

Solar ultraviolet radiation alters alder and birch litter chemistry that in turn affects decomposers and soil respiration

scientific article published on 14 July 2009

Suillus variegatus causes significant changes in the content of individual polyamines and flavonoids in Scots pine seedlings during mycorrhiza formation in vitro.

scientific article

Targeted use of LEDs in improvement of production efficiency through phytochemical enrichment.

scientific article

Terminalia laxiflora and Terminalia brownii contain a broad spectrum of antimycobacterial compounds including ellagitannins, ellagic acid derivatives, triterpenes, fatty acids and fatty alcohols.

scientific article published on 4 May 2018

The effect of warming and enhanced ultraviolet radiation on gender-specific emissions of volatile organic compounds from European aspen

scientific article published on 9 January 2016

The responses of Vitreoscilla hemoglobin-expressing hybrid aspen (Populus tremula × tremuloides) exposed to 24-h herbivory: expression of hemoglobin and stress-related genes in exposed and nonorthostichous leaves

scientific article published on 7 June 2013

The role of UV-B radiation in plant sexual reproduction

article

The significance of ectomycorrhizas in chemical quality of silver birch foliage and above-ground insect herbivore performance

scientific article published on 17 September 2008

The vegetative buds of Salix myrsinifolia are responsive to elevated UV-B and temperature

scientific article published on 24 February 2015

To each its own: differential response of specialist and generalist herbivores to plant defence in willows.

scientific article published on 3 March 2015

Variability in the composition of phenolic compounds in winter-dormant Salix pyrolifolia in relation to plant part and age

scientific article published on 12 June 2018

Variation in birch (Betula pendula) shoot secondary chemistry due to genotype, environment, and ontogeny

scientific article published on 01 April 2005

Variation in the Anthocyanin Concentration of Wild Populations of Crowberries (Empetrum nigrum L subsp. hermaphroditum) ⬇️

scientific article published on 08 November 2010

Volatile emissions and phenolic compound concentrations along a vertical profile of Populus nigra leaves exposed to realistic ozone concentrations

scientific article

Vole preference of bilberry along gradients of simulated moose density and site productivity ⬇️

scientific article published on December 1, 2011

Winter browsing of moose on two different willow species: food selection in relation to plant chemistry and plant response

scientific article published on 12 January 2010

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