Janusz Zwiazek

Professor (Plant Physiology), Faculty of Agricultural, Life and Environmental Sci - Renewable Resources Dept

Contact

Professor (Plant Physiology), Faculty of Agricultural, Life and Environmental Sci - Renewable Resources Dept
Email
janusz.zwiazek@ualberta.ca
Phone
(780) 492-2358
Address
438 Earth Sciences Building
11223 Saskatchewan Drive NW
Edmonton AB
T6G 2E3

Overview

About

Job/Research Area: Tree physiology

Awards

  • Faculty of Agriculture, Life and Environmental Sciences Teaching Award (2015).
  • Faculty of Agriculture, Life and Environmental Sciences Teacher of the Year (2000, 2004, 2011-2015).
  • The David J. Gifford Award in Tree Physiology (2010).
  • International Union of Forestry Research Organizations (IUFRO) Scientific Achievement Award (2010).
  • University of Alberta McCalla Professor (2003-2004, 2009-2010).
  • University of Alberta Annual Killam Professor (2002-2003).

Research

Major Responsibilities/Research Interests: Tree physiology; effects of pollution, drought and other environmental stresses on function and structure of trees; stress resistance, physiological, biochemical and structural adaptations of trees to stress; tree improvement and stress conditioning; structure and function of cell membranes.

Courses

REN R 321 - Tree Physiology

Study of physiological processes in trees. Emphasis on primary and secondary metabolism, gas exchange, transport processes, growth, and environmental effects. Prerequisite: *60. CHEM 101 and (BIOL 107 or PL SC 221) recommended.

Fall Term 2021
REN R 345 - Wood Science and Utilization

The anatomy and identification of woods; biological, chemical, and physical properties of wood and its components. Lumber, pulp and paper, and reconstituted wood products technologies. Concept of integrated utilization. Lab exercises may include field trips. May require payment of additional student instructional support fees. Refer to the Tuition and Fees page in the University Regulations section of the Calendar.

Winter Term 2022
REN R 421 - Advanced Tree Physiology

Stress physiology of trees and tree seedlings; mechanisms of stress action and stress resistance; effects of silvicultural practices on growth and physiology; planting stress. Prerequisite: consent of Instructor.

Winter Term 2022
REN R 501 - Topics in Renewable Resources

Directed study in the multiple aspects of renewable resources. Open to fourth year or graduate students upon consent of instructor.

Fall Term 2021
REN R 521 - Advanced Tree Physiology

Stress physiology of trees and tree seedlings; mechanisms of stress action and stress resistance; effects of silvicultural practices on growth and physiology; planting stress. Not to be taken if credit received for REN R 421 or REN R 725.

Winter Term 2022
REN R 720 - Tree Physiology

Study of physiological processes in trees. Emphasis on primary and secondary metabolism, gas exchange, transport processes, growth, and environmental effects. Not to be taken if credit received for REN R 321.

Fall Term 2021
REN R 724 - Wood Science and Utilization

The anatomy and identification of woods; biological, chemical, and physical properties of wood and its components. Lumber, pulp and paper, and reconstituted wood products technologies. Concept of integrated utilization. Lab exercises may include field trips. Requires payment of additional student instructional support fees. Refer to the Tuition and Fees page in the University Regulations section of the Calendar. Not to be taken if credit received for REN R 345.

Winter Term 2022

Browse more courses taught by Janusz Zwiazek

Publications

Effects of phosphorus and calcium availability on responses of reclamation plants to high root zone pH
Author(s): Zhang W., Zwiazek J.J.
Publication Date: 2016
Publication: Journal of Environmental Quality

Effects of root medium pH on root water transport and apoplastic pH in red-osier dogwood (Cornus sericea) and paper birch (Betula papyrifera) seedlings
Author(s): Zhang W., Zwiazek J.J.
Publication Date: 2016
Publication: Plant Biology

Functional significance of oxygen transport through aquaporins
Author(s): Zwiazek J.J., Tan X., Xu H., Navarro-Ródenas A., Morte A.
Publication Date: 2016
Publication: Nature Communications

Genotypic variation in salt tolerance of Ulmus pumila plants obtained by shoot cuttings
Author(s): Mu D., Zwiazek J.J., Li Z., Zhang W
Publication Date: 2016
Publication: Acta Physiologiae Plantarum
Volume: 38
Page Numbers: 188

Hydraulic conductivity and aquaporin transcription in roots of trembling aspen (Populus tremuloides) seedlings colonized by Laccaria bicolor
Author(s): Xu H., Cooke J.E.K., Kemppainen M., Pardo A.G., Zwiazek J.J.
Publication Date: 2016
Publication: Mycorrhiza
Volume: 26
Page Numbers: 441-551

Long-term impact of road salt use on soil and urban tres in Edmonton, Canada
Author(s): Equiza M.A., Calvo-Polanco M., Cirelli D., Señorans J., Wartenbe M., Saunders C., Zwiazek J.J.
Publication Date: 2016
Publication: Urban Forestry and Urban Greening

Regulation of aquaporins in plants under stress
Author(s): Ranganathan K., Vaziriyeganeh M., Zwiazek J.J.
Publication Date: 2016
Publication: Biological Research

Responses of hybrid aspen overexpressing PIP2;5 aquaporin to low root temperature
Author(s): Ranganathan K., El Kayal W., Cooke J.E.K., Zwiazek J.J.
Publication Date: 2016
Publication: Journal of Plant Physiology
Volume: 192
Page Numbers: 98-104

Transcript profiling of aquaporins during basidiocarp development in Laccaria bicolor ectomycorrhizal with Picea glauca
Author(s): Xu H., Navarro-Ródenas A., Cooke J.E.K., Zwiazek J.J.
Publication Date: 2016
Publication: Mycorrhiza
Volume: 26
Page Numbers: 19-31

CO2-transporting Laccaria bicolor aquaporin is required for ectomycorrhizal development in trembling aspen (Populus tremuloides)
Author(s): Navarro-Ródenas A., Xu H., Kemppainen M., Pardo A. G., Zwiazek J.J.
Publication Date: 2015
Publication: Plant Cell and Environment
Volume: 38
Page Numbers: 2475–2486

Overexpression of Laccaria bicolor aquaporin JQ585595 alters root water transport properties in ectomycorrhizal white spruce (Picea glauca) seedlings
Author(s): Xu H., Kemppainen M., El Kayal W., Lee S.H., Pardo A.G., Cooke J.E.K., Zwiazek J.J.
Publication Date: 2015
Publication: New Phytologist
Volume: 205
Page Numbers: 757-770

Regulation of aquaporin-mediated water transport in Arabidopsis roots exposed to NaCl
Author(s): Lee S.H., Zwiazek J.J.
Publication Date: 2015
Publication: Plant and Cell Physiology
Volume: 56
Page Numbers: 750-758

Responses of jack pine (Pinus banksiana) seedlings to root zone pH and calcium
Author(s): Zhang W., Xu F., Zwiazek J.J.
Publication Date: 2015
Publication: Environmental and Experimental Botany
Volume: 111
Page Numbers: 32-41

Adventitious sprouting in Pinus leiophylla in response to injury caused by salt stress
Author(s): Jimenez-Casas M., Zwiazek J.J.
Publication Date: 2014
Publication: Annals of Forest Science
Volume: 71
Page Numbers: 811-819

Growth of mycorrhizal jack pine (Pinus banksiana) and white spruce (Picea glauca) seedlings in oil sands reclaimed areas
Author(s): Onwuchekwa N.E., Zwiazek J.J., Quoreshi A., Khasa D.P.
Publication Date: 2014
Publication: Mycorrhiza
Volume: 24
Page Numbers: 431-441

Hydraulic adjustments in aspen (Populus tremuloides) seedlings following defoliation involve root and leaf aquaporins
Author(s): Liu J., Equiza M.A., Navarro-Rodenas A., Lee S.H., Zwiazek J.J.
Publication Date: 2014
Publication: Planta
Volume: 240
Page Numbers: 553-564

Nitrogen form affects physiological responses and root expansigenous honeycomb aerenchyma in the emergent macrophyte Acorus americanus
Author(s): Equiza M.A., Zwiazek J.J.
Publication Date: 2014
Publication: Botany
Volume: 92
Page Numbers: 541-550

Responses of rat root (Acorus americanus) plants to salinity and pH conditions
Author(s): Calvo-Polanco M., Equiza M.A., Señorans J., Zwiazek J.J.
Publication Date: 2014
Publication: Journal of Environmental Quality
Volume: 43
Page Numbers: 578-586

Effects of branch pruning and seedling size on total transpiration and tissue Na and Cl accumulation in Pinus leiophylla seedlings exposed to salinity
Author(s): Jimenez-Casas M., Zwiazek J.J.
Publication Date: 2013
Publication: Forest Science 59:407-415

Effects of waterlogging under simulated late-winter conditions on the physiology and growth of Norway spruce seedlings
Author(s): Wang A-F., Roitto M., Lehto T. , Zwiazek J.J., Calvo-Polanco M., Repo T.
Publication Date: 2013
Publication: Annals of Forest Science
Volume: 70
Page Numbers: 781-790

Growth and physiological responses of trembling aspen (Populus tremuloides), white spruce (Picea glauca) and tamarack (Larix laricina) seedlings to root zone pH
Author(s): Zhang W.,Calvo-Polanco M., Chi Chen Z., Zwiazek J.J.
Publication Date: 2013
Publication: Plant and Soil
Volume: 373
Page Numbers: 775-786

Growth and water relations of trembling aspen (Populus tremuloides) seedlings in response to applied ammonium and nitrate in solution culture
Author(s): Siemens J.A., Zwiazek J.J.
Publication Date: 2013
Publication: Journal of Plant Nutrition
Volume: 36
Page Numbers: 372-389

Phylogenic analysis of fungal aquaporins provides insight into their possible role in water transport of mycorrhizal associations
Author(s): Xu H., Cooke J.E.K., Zwiazek J.J.
Publication Date: 2013
Publication: Botany
Volume: 91
Page Numbers: 495-504

Overexpression of PIP2;5 aquaporin alleviates effects of low root temperature on cell hydraulic conductivity and growth in Arabidopsis
Author(s): Lee S.H., Chung G.C., Jang J.Y, Ahn S.J., Hong S.-W., Zwiazek J.J.
Publication Date: 2012
Publication: Plant Physiology
Volume: 159
Page Numbers: 479–488

Role of adventitious roots in water relations of tamarack (Larix laricina) seedlings exposed to flooding
Author(s): Calvo-Polanco M., Señorans J., Zwiazek J.J.
Publication Date: 2012
Publication: BMC Plant Biology
Volume: 12
Page Numbers: 99

Diurnal and seasonal changes of leaf lamina hydraulic conductance in bur oak (Quercus macrocarpa) and trembling aspen (Populus tremuloides)
Author(s): Voicu M.C., Zwiazek J.J.
Publication Date: 2011
Publication: Trees - Structure and Function
Volume: 25
Page Numbers: 485-495

Ectomycorrhizas and water relations of trees: a review. Mycorrhiza 21: 71-90
Author(s): Lehto T., Zwiazek J.J.
Publication Date: 2011
Publication: Mycorrhiza
Volume: 21
Page Numbers: 71-90

Hebeloma crustuliniforme facilitates ammonium and nitrate assimilation in trembling aspen (Populus temuloides) seedlings
Author(s): Siemens, J.A., Calvo-Polanco M., Zwiazek. J.J.
Publication Date: 2011
Publication: Tree Physiology
Volume: 31
Page Numbers: 1238-1250

Hebeloma crustuliniforme modifies root hydraulic responses of trembling aspen (Populus tremuloides) seedlings to changes in external pH
Author(s): Siemens J.A., Zwiazek J.J.
Publication Date: 2011
Publication: Plant and Soil
Volume: 345
Page Numbers: 247-256

Role of osmotic stress in ion accumulation and physiological responses of mycorrhizal white spruce (Picea mariana) and jack pine (Pinus banksiana) seedlings exposed to soil fluoride and NaCl
Author(s): Calvo-Polanco M, Zwiazek J.J.
Publication Date: 2011
Publication: Acta Physiologiae Plantarum
Volume: 33
Page Numbers: 1365–1373

Xylem cavitation and leaf water relations of poplar clones with different drought resistance strategies
Author(s): Arango-Velez A, Zwiazek J.J., Thomas B.R., Tyree M.T.
Publication Date: 2011
Publication: Physiologia Plantarum
Volume: 143
Page Numbers: 154-165

Aquaporin gene expression and apoplastic water flow in bur oak (Quercus macrocarpa) leaves in relation to the light response of leaf hydraulic conductance
Author(s): Voicu, MC; Cooke, JK; Zwiazek, JJ
Publication Date: 2009
Publication: Journal of Experimental Botany
Volume: 60
Page Numbers: 4063-4075

Effects of NaCl on responses of ectomycorrhizal black spruce (Picea mariana), white spruce (Picea glauca) and jack pine (Pinus banksiana) to fluoride
Author(s): Calvo Polanco, M; Zwiazek JJ; Jones, MD; MacKinnon, MD
Publication Date: 2009
Publication: Physiologia Plantarum
Volume: 135
Page Numbers: 51-61

Effects of pH on NaCl resistance of American elm (Ulmus americana) seedlings inoculated with Hebeloma crustuliniforme and Laccaria bicolor
Author(s): Calvo Polanco, M; Jones, MD; Zwiazek, JJ.
Publication Date: 2009
Publication: Acta Physiologiae Plantarum
Volume: 31
Page Numbers: 515-522

Light decreases cell hydraulic conductivity and turgor pressure in bundle sheath cells of tobacco (Nicotiana tabacum) leaves
Author(s): Lee SH; Chung, GC; Zwiazek, JJ
Publication Date: 2009
Publication: Plant Science
Volume: 176
Page Numbers: 248-255

Effects of water deficit stress and recovery on the root water relations of trembling aspen (Populus tremuloides) seedlings
Author(s): Siemens, J.A. & Zwiazek, J.J.
Publication Date: 2003
Publication: Plant Science
Volume: 165
Page Numbers: 113-120

Fluoride inhibits root water flow and affects leaf expansion and gas exchange in aspen (Populus tremuloides) seedlings
Author(s): Kamaluddin, M. & Zwiazek, J.J.
Publication Date: 2003
Publication: Physiologia Plantarum
Volume: 117
Page Numbers: 368-375

Hypoxia affects root sodium and chloride concentrations and inhibits water conductance in salt-treated jack pine (Pinus banksiana) seedlings
Author(s): Apostol, K.G. & Zwiazek, J.J.
Publication Date: 2003
Publication: Trees: Structure and Function
Volume: 17
Page Numbers: 251-257

Responses of black spruce (Picea mariana) and tamarack (Larix laricina) to flooding and ethylene treatments
Author(s): Islam, A., Macdonald, S.E. & Zwiazek, J.J.
Publication Date: 2003
Publication: Tree Physiology
Volume: 23
Page Numbers: 535-542

Responses of red-osier dogwood (Cornus stolonifera) to oil sands tailings treated with gypsum and alum
Author(s): Redfield, E., Croser, C., Zwiazek, J.J., MacKinnon, M.D. & Qualizza, C.
Publication Date: 2003
Publication: Journal of Environmental Quality
Volume: 32
Page Numbers: 1008-1014