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Johanna Witzell
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Nitrogen deposition and the biodiversity of boreal forests: implications for the nitrogen critical load
A Nordin, J Strengbom, J Witzell, T Näsholm, L Ericson
AMBIO: A Journal of the Human Environment 34 (1), 20-24, 2005
2432005
Comparison of systemic resistance induced by avirulent and nonpathogenic Pseudomonas species
E Hoffland, J Hakulinen, JA Van Pelt
Phytopathology 86 (7), 757-762, 1996
2431996
Phenolic metabolites in the resistance of northern forest trees to pathogens-past experiences and future prospects
J Witzell, JA Martín
Canadian journal of forest research 38 (11), 2711-2727, 2008
1952008
Inducibility of chemical defenses in Norway spruce bark is correlated with unsuccessful mass attacks by the spruce bark beetle
C Schiebe, A Hammerbacher, G Birgersson, J Witzell, PE Brodelius, ...
Oecologia 170 (1), 183-198, 2012
1312012
Plant-part specific and temporal variation in phenolic compounds of boreal bilberry (Vaccinium myrtillus) plants
J Witzell, R Gref, T Näsholm
Biochemical Systematics and Ecology 31 (2), 115-127, 2003
1052003
Does nitrogen fertilization have an impact on the trade-off between willow growth and defensive secondary metabolism?
J Hakulinen, R Julkunen-Tiitto, J Tahvanainen
Trees-Structure and Function 9 (4), 235-240, 1995
951995
Restoring forests: regeneration and ecosystem function for the future
M Löf, P Madsen, M Metslaid, J Witzell, DF Jacobs
New Forests 50 (2), 139-151, 2019
892019
Resistance to Dutch Elm Disease Reduces Presence of Xylem Endophytic Fungi in Elms (Ulmus spp.)
JA Martín, J Witzell, K Blumenstein, R Elzbieta, H Marjo, S Thomas N, ...
PLOS ONE 8 (2), e56987, 2013
812013
Nutritional niche overlap potentiates the use of endophytes in biocontrol of a tree disease
K Blumenstein, BR Albrectsen, JA Martín, M Hultberg, TN Sieber, ...
BioControl 60, 655-667, 2015
792015
Activation of defence responses to Phytophthora infestans in potato by BABA
T Bengtsson, A Holefors, J Witzell, E Andreasson, E Liljeroth
Plant Pathology 63 (1), 193-202, 2014
742014
Nitrogen-induced changes in phenolics of Vaccinium myrtillus—implications for interaction with a parasitic fungus
J Witzell, A Shevtsova
Journal of Chemical Ecology 30 (10), 1937-1956, 2004
722004
Tall herb herbivory resistance reflects historic exposure to leaf beetles in a boreal archipelago age-gradient
JA Stenberg, J Witzell, L Ericson
Oecologia 148 (3), 414-425, 2006
572006
Unintentional changes of defence traits in GM trees can influence plant–herbivore interactions
J Hjältén, A Lindau, A Wennström, P Blomberg, J Witzell, V Hurry, ...
Basic and Applied Ecology 8 (5), 434-443, 2007
512007
Strong in vitro antagonism by elm xylem endophytes is not accompanied by temporally stable in planta protection against a vascular pathogen under field conditions
JA Martín, D Macaya-Sanz, J Witzell, K Blumenstein, L Gil
European Journal of Plant Pathology 142 (1), 185-196, 2015
492015
Effects of repeated damage and fertilization on palatability of Vaccinium myrtillus to grey sided voles, Clethrionomys rufocanus
J Strengbom, J Olofsson, J Witzell, J Dahlgren
Oikos 103 (1), 133-141, 2003
492003
The tree species matters: Biodiversity and ecosystem service implications of replacing Scots pine production stands with Norway spruce
A Felton, L Petersson, O Nilsson, J Witzell, M Cleary, AM Felton, ...
Ambio 49 (5), 1035-1049, 2020
462020
Nitrogen‐induced reduction in leaf phenolic level is not accompanied by increased rust frequency in a compatible willow (Salix myrsinifolia)‐Melampsora rust interaction
J Hakulinen
Physiologia Plantarum 102 (1), 101-110, 1998
461998
Leaf phenolics of three willow clones differing in resistance to Melampsora rust infection
J Hakulinen, S Sorjonen, R Julkunen‐Tiitto
Physiologia Plantarum 105 (4), 662-669, 1999
451999
Ash dieback risks an extinction cascade
T Hultberg, J Sandström, A Felton, K Öhman, J Rönnberg, J Witzell, ...
Biological Conservation 244, 108516, 2020
432020
Downregulation of high‐isoelectric‐point extracellular superoxide dismutase mediates alterations in the metabolism of reactive oxygen species and developmental disturbances in …
V Srivastava, H Schinkel, J Witzell, M Hertzberg, M Torp, MK Srivastava, ...
The Plant Journal 49 (1), 135-148, 2007
432007
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