Search Results - "Aphalo, P."

Patterns in the spectral composition of sunlight and biologically meaningful spectral photon ratios as affected by atmospheric factors by Kotilainen, T., Aphalo, PJ, Brelsford, CC, Böök, H., Devraj, S., Heikkilä, A., Hernández, R., Kylling, A., Lindfors, AV, Robson, TM

“…•Continuous timeseries of spectral irradiance are needed to study plant photobiology.•Atmospheric water-vapour & ozone column thickness affect daily spectral…”
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A link between ectoparasite infection and susceptibility to bacterial disease in rainbow trout by Bandilla, M., Valtonen, E.T., Suomalainen, L.-R., Aphalo, P.J., Hakalahti, T.

“…Rainbow trout, Oncorhynchus mykiss, were infected concomitantly with Argulus coregoni and Flavobacterium columnare and their survival was compared with that of…”
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Elevated temperature altered the reaction norms of stomatal conductance in field-grown grapevine by Sadras, V.O., Montoro, A., Moran, M.A., Aphalo, P.J.

“…► Elevated temperature increased plasticity of stomatal conductance and photosynthesis. ► Stomata length increased from 20.6μm in controls to 23.2μm in the…”
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Red : far‐red light ratio and UV‐B radiation: their effects on leaf phenolics and growth of silver birch seedlings by TEGELBERG, R., JULKUNEN‐TIITTO, R., APHALO, P. J.

“…ABSTRACT The natural variation in quantity and quality of light modifies plant morphology, growth rate and concentration of biochemicals. The aim of two…”
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Effects of soil temperature on shoot and root growth and nutrient uptake of 5-year-old Norway spruce seedlings by Lahti, M, Aphalo, P.J, Finer, L, Ryyppo, A, Lehto, T, Mannerkoski, H

“…Soil temperature is a main factor limiting root growth in the boreal forest. To simulate the possible soil-warming effect of future climate change, 5-year-old…”
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On the Importance of Information-Acquiring Systems in Plant-Plant Interactions by Aphalo, P. J., Ballare, C. L.

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Secondary Metabolites and Nutrient Concentrations in Silver Birch Seedlings under Five Levels of Daily UV-B Exposure and Two Relative Nutrient Addition Rates by de la Rosa, T. M., Julkunen-Tiitto, R., Lehto, T., Aphalo, P. J.

“…• Changes in secondary metabolites in silver birch (Betula pendula) seedlings are presented in response to ultraviolet-B radiation (UV-B) and nutrient…”
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Plant-plant signalling, the shade-avoidance response and competition by Aphalo, P.J, Ballare, C.L, Scopel, A.L

“…Plants generate and perceive informational signals. An interaction (between plants) is considered to be informational when it involves the exchange of an…”
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Interactions between Willows and Insect Herbivores under Enhanced Ultraviolet-B Radiation by T. O. Veteli, R. Tegelberg, Pusenius, J., M. Sipura, Julkunen-Tiitto, R., Aphalo, P. J., J. Tahvanainen

“…We studied the effects of elevated ultraviolet-B radiation on interactions between insect herbivores and their host plants by exposing two species of…”
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Effects of long-term, elevated ultraviolet-B radiation on phytochemicals in the bark of silver birch (Betula pendula) by Tegelberg, Riitta, Aphalo, Pedro J, Julkunen-Tiitto, Riitta

“…Long-term outdoor experiments were conducted to investigate the effects of elevated ultraviolet-B (UV-B, 280-320 nm) radiation on secondary metabolites…”
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Role of boron in drought resistance in Norway spruce (Picea abies) seedlings by Möttönen, M, Aphalo, P J, Lehto, T

“…Norway spruce (Picea abies (L.) Karst.) seedlings fertilized with boron (B) at three rates were grown in a 3:7 mix of forest humus and quartz sand for 18…”
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Boron uptake by ectomycorrhizas of silver birch by Lehto, T, Lavola, A, Kallio, E, Aphalo, P.J

“…Boron (B) is an essential micronutrient for plants but it is thought not to be essential for fungi. We studied whether the extraradical mycelia of Paxillus…”
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The effects of long-term elevated UV-B on the growth and phenolics of field-grown silver birch (Betula pendula) by Tegelberg, Riitta, Julkunen-Tiitto, Riitta, Aphalo, Pedro J.

“…The effects of long‐term elevated UV‐B radiation on silver birch (Betula pendula Roth) seedlings were studied over three growing seasons in an outdoor…”
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Solar UV-B Radiation Affects Leaf Quality and Insect Herbivory in the Southern Beech Tree Nothofagus antarctica by Rousseaux, M. Cecilia, Julkunen-Tiitto, Riitta, Searles, Peter S., Scopel, Ana L., Aphalo, Pedro J., Ballaré, Carlos L.

“…We examined the effects of solar ultraviolet-B (UV-B) radiation on plant-insect interactions in Tierra del Fuego (55°S), Argentina, an area strongly affected…”
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Effects of far-red light on the growth, mycorrhizas and mineral nutrition of Scots pine seedlings by de la Rosa, T.M., Aphalo, P.J., Lehto, T.

“…The effects of supplementary far-red sidelight on the formation of mycorrhizas and on the accumulation and allocation of dry weight and mineral nutrients were…”
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Boron retranslocation in Scots pine and Norway spruce by Lehto, T, Lavola, A, Julkunen-Tiitto, R, Aphalo, P.J

“…We previously traced 10B-enriched boric acid from shoots to roots to demonstrate the translocation of boron (B) in Scots pine (Pinus sylvestris L.) and Norway…”
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Effects of light quality on growth and N accumulation in birch seedlings by Aphalo, P.J, Lehto, T

“…We studied the effects of light quality and nutrient supply on growth and nitrogen accumulation in silver birch (Betula pendula Roth) seedlings to test three…”
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An Analysis of Ball's Empirical Model of Stomatal Conductance by Aphalo, P.J., Jarvis, P.G.

“…We analysed Ball's empirical model of stomatal conductance (Ball, Woodrow and Berry, 1987). The original interpretation was found to be flawed, and a new one…”
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Soil temperature, gas exchange and nitrogen status of 5-year-old Norway spruce seedlings by Lahti, M, Aphalo, P J, Finér, L, Lehto, T, Leinonen, I, Mannerkoski, H, Ryyppö, A

“…Five-year-old Norway spruce (Picea abies (L.) Karst.) seedlings were subjected to three simulated growing seasons in controlled environment chambers. Plants…”
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Response of Photosynthesis, Stomatal Conductance and Water Use Efficiency to Elevated CO2 and Nutrient Supply in Acclimated Seedlings of Phaseolus vulgaris L by RADOGLOU, K. M., APHALO, P., JARVIS, P. G.

“…Plants of Phaseolus vulgaris L were grown from seed in open-top growth chambers at present day (350 μmol mol−1) and double the present day (700 μmol mol−1)…”
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