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Heinz Müller-Schärer's ResearcherID

2012

• Hahn MA, Buckley YM and Müller-Schärer, H. 2012. Increased population growth rate in invasive polyploid Centaurea stoebe in a common garden. Ecology Letters, in press.
  
• Mráz P, Španiel S, Keller A, Bowmann G, Farkas A, Šingliarová B, Rohr RP, Broennimann O and Müller-Schärer H. 2012. Anthropogenic disturbance as a driver of microspatial and microhabitat segregation of cytotypes of Centaurea stoebe and cytotype interactions in secondary contact zones. Annals of Botany, in press.
  
• Mráz P, Garcia-Jacas N, Gex-Farbry E , Susanna A, Barres L and Müller-Schärer H. Allopolyploid origin of highly invasive Centaurea stoebe s.l. (Asteraceae). Molecular Phylogenetics and Evolution, 62: 612-623. Download
  
• Collins AR and Müller-Schärer H. 2012. Influence of plant phenostage and ploidy level on oviposition and feeding of two specialist herbivores of spotted knapweed, Centaurea stoebe. Biological Control, 60: 148-153. Download
• Müller-Schärer H and Collins AR. 2012. Principles of Integrated Pest Management with Emphasis on Weeds. Encyclopedia of Environmental Management (ed. Jorgensen, S.E.) Taylor and Francis, New York
  

2011

• Callaway RM, Waller LP, Diaconu A, Pal, R, Collins AR, Mueller-Schaerer H, Maron JL. 2011. Escape from competition: neighbors reduce C. stoebe performance at home but not away. Ecology, 92: 2208-2213. Download
• Collins AR, Naderi R and Müller-Schärer H. 2011. Competition between cytotypes changes across a longitudinal gradient in Centaurea stoebe L. (Asteraceae). American Journal of Botany, 98(12): 1935-1942. Download
• Simberloff D. 2011. Non-natives: 141 scientists object. Nature (Correspondence) 475: 36. Download
• Gerber E, Schaffner U, Hinz HL, Gassmann A, Seier M and Müller-Schärer H. 2011. Prospects for biological control of Ambrosia artemisiifolia in Europe: learning from the past. Weed Research 51(6), 559-573. Download
• Treier, U. A. and Müller-Schärer, H. 2011, Differential effects of historical migration, glaciations and human impact on the genetic structure and diversity of the mountain pasture weed Veratrum album L. Journal of Biogeography, 38: 1776-1791. Download
• Schaffner U, Ridenour WM, Wolf VC, Bassett T, Caroline Müller C, Müller-Schärer H, Sutherland S, Lortie CJ, and Callaway RM. 2011. Plant invasions, generalist herbivores, and novel defense weapons. Ecology, 94, 829-835. http://www.esajournals.org/doi/pdf/10.1890/10-1230.1
  
• Mraz P, Bourchier R, Treier U, Schaffner U, Müller-Schärer H. 2011. Polyploidy in phenotypic space and invasion context: a morphometric study of Centaurea stoebe. International Journal of Plant Sciences 3, 386–402. Download
• Thébault A, Gillet F, Müller-Schärer, H and Buttler A. 2011. Polyploidy and invasion success: trait trade-offs in native and introduced cytotypes of two Asteraceae species. Plant Ecology 212, 315-325. Download
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2010

• Henery ML, Bowman G, Mráz  P, Treier, UA, Gex-Fabry E, Schaffner, U and Müller-Schärer H. 2010. Evidence for a combination of pre-adapted traits and rapid adaptive change in the invasive plant Centaurea stoebe. Journal of Ecology, 98, 800-813. Download
• Rapo C, Müller-Schärer H, Vrieling K and Schaffner U. 2010. Is there rapid evolutionary response in introduced populations of tansy ragwort, Jacobaea vulgaris, when exposed to biological control?" Download
• Bischoff, A., Steinger, T. and Müller-Schärer, H. 2010. The importance of plant provenance and genotypic diversity of seed material used for ecological restoration. Restoration Ecology, 18, 338-348. Download
  
• Crémieux L, Bischoff A, Müller-Schärer H and Steinger T. 2010. Gene flow from foreign provenances into local plant populations: fitness consequences and implications for biodiversity restoration. American Journal of Botany 97, 94-100. Download
• Bischoff A and Müller-Schärer H. 2010. Testing population differentiation in plant species: how important are environmental maternal effects. Oikos, 119, 445-454. Download
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2009

• Broz AK, Manter, DK, Bowman G, Müller-Schärer H and Vivanco, JM. 2009. Plant origin and ploidy influence gene expression and life cycle characteristics in an invasive weed. BMC Plant Biology 9:33 (doi:10.1186/1471-2229-9-3380) -  Download   Appendix1 Appendix2
• Spiegelberger T. · Müller-Schärer H. · Matthies D. · Schaffner U. · Sawdust addition reduces the productivity of nitrogen-enriched mountain grasslands. Restoration Ecology 17 (6), 865 -872. Download
• Eschen R, Müller-Schärer H & Schaffner U. 2009. Aboveground environment type, soil nutrient content and arbuscular mycorrhizal fingi explain establishment success of Centaurea jacea on ex-arable land and in late-successional grasslands. Plant and Soil, DOI 10.1007/s11104-009-9899-y  - Download
• Treier, U.A., Broennimann, O., Normand, S., Guisan, A., Schaffner, U., Steinger, T. and Müller-Schärer, H. 2009. Shift in cytotype frequency and niche space in the invasive plant Centaurea maculosa. Ecology 90 (5), 1366-1377. - Download

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2008

• Hesse, E., Rees, M. and Müller-Schärer, H. 2008. Life history variation in contrasting habitats: flowering decisions in a clonal perennial herb (Veratrum album). American Naturalist, 172, E196-E213. - Download
• Crémieux L, Bischoff A, Šmilauerová M, Lawson CL, Mortimer SR, Doležal, J, Lanta, V, Edwards AR, Brook, AJ, Tscheulin T, Macel M, Lepš J, Müller-Schärer H and Steinger T. 2008. Resistance of local and foreign plant populations to antagonists across a continental scale. New Phytologist, 180, 524-533. Download Commentary; cf.p265
  
• Bischoff, A., Steinger, T. and Müller-Schärer, H. 2008. The importance of plant provenance and genotypic diversity of seed material used for ecological restoration. Restoration Ecology,18, 338-348. - Download   
• Müller-Schärer H. · Schaffner U. · Classical biological control : exploiting enemy escape to manage plant invasions. Biological Invasions 10, 859-874. · Download
• Handley R.J. · Steinger T. · Treier U.A. · Müller-Schärer H. · 2008. Regional differences in exposure-time to plant disease : testing the Evolution of Inceased Competitive Ability (EICA) hypothesis in a novel framework. Ecology, 89, 407-417. · Download
• Salzmann · Handley R.J. · Müller-Schärer H. · Functional significance of triazine-herbicide resistance in defence of Senecio vulgaris against a rust fungus. Basic and Applied Ecology 9, 577-587· Download

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2007

• Broennimann O. · Treier U.A · Müller-Schärer H. · Thuiller W. · Peterson A.T. · Guisan A. · Evidence of climatic niche shift during biological invasion. Ecology Letters 10, 701-709 · More
• Smit C. · Vandenberghe C.H. · den Ouden J. · Müller-Schärer H. · Effect of grazing pressure on associational resistance. Oecologia 152, 265-273 · Download
• Hesse E. · Rees M. · Müller-Schärer H. ·Seed bank persistence of clonal weeds in contrasting habitats : implications for control. Plant Ecology 190, 233-243 · Download
• Macel M. · Lawson C.S. · Mortimer S.R. · Šmilauerova M. · Bischoff A. · Crémieux L. · Doležal J. · Edwards A.R. · Lanta V. · Bezemer T.M. · van der Putten W.H. · Igual J.M. · Rodriguez-Barrueco C. · Müller-Schärer H. · Steinger T. · Climate versus soil factors in local adaptation of two common plant species. Ecology 88, 424-433 · Download
• Smit C. · Gusberti M. · Müller-Schärer H. · Safe for tree saplings, safe for seeds? Forest Ecology and Management 237, 471-477 · Download

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2006

• Gvritishvili M. · Kikodze D. · Müller-Schärer H. · Preliminary data on fungal antagonists of False Hellebore (Veratrum album ssp. Lobellianum) in Georgia and their potential as effective biocontrol agents. Proc. Georgian Acad. Sci. Biol. Ser. B., 110-113 · Download
• Bischoff A. · Crémieux L. · Smilauerova M. · Lawson C.L. · Mortimer S.R. · Doležal J. · Lanta V. · Edwards E.A. · Brook A.J. · Macel M. · Leps J. · Steinger T. · Müller-Schärer H. · Detecting local adaptation in widespread grassland species – the importance of scale and local plant community. Journal of Ecology 94, 1130-1142 · Download
• Kleijn D. · Müller-Schärer H. · The relation between unpalatable species, nutrients and plant species richness in Swiss montane pastures. Biodiversity and Conservation 15, 3971-3982 · Download
• Spiegelberger T. · Matthies D. · Müller-Schärer H. · Schaffner U. · Scale-dependent effects of land use on plant species richness of mountain grassland in the European Alps. Ecography 29, 541-548 · Download · Appendix
• Bischoff A. · Vonlanthen B. · Steinger T. · Müller-Schärer H. · Seed provenance matters – effects on germination of four plant species used for ecological restoration on arable land. Basic and Applied Ecology 7, 347-359 · Download
• Frantzen J. · Müller-Schärer H. · Modeling the impact of a biocontrol agent, Puccinia lagenophorae, on interactions between a crop, Daucus carota, and a weed. Biological Control 37, 301-306 · Download
• Smit C. · den Ouden J. · Müller-Schärer H. · Unpalatable plants facilitate tree sapling survival in wooded pastures. Journal of Applied Ecology 43. 305-312 · Download
• Eschen R. · Müller-Schärer H. · Schaffner U. · Soil carbon addition affects growth of plants in a species-specific way. Journal of Applied Ecology 43, 35-42 · Download

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2005

• Smit C. · Béguin D. · Buttler A. · Müller-Schärer H. · Safe sites for tree regeneration in wooded pastures : A case of associational resistance? Journal of Vegetation Science 16, 209-214 · Download

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2004

• Kleijn D. · Treier U. · Müller-Schärer H. · The importance of nitrogen and carbohydrate storage for plant growth of the alpine herb Veratrum album. New Phytologist 166, 565-575 · Download
• Müller-Schärer H. · Schaffner U. · Steinger T. · Evolution in invasive plants and implications for biological control. Trends in Ecology and Evolution 19 , 417-422 · Download
• Müller-Schärer H. · Steinger T. · Predicting evolutionary change in invasive, exotic plants and its consequences for plant-herbivore interactions, In : Genetics, Evolution and Biological Control (edited by Ehler L.E., Sforza R. and Mateille T.). CABI Publishing, Wallingford, UK, 137-162 · Download

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2003

• Müller-Schärer H. · Lässig R. · Hirsch Hadorn G. · Interdisziplinärität auf dem Prüfstand. GAIA 12 (4), 241-242 · Download
• Haldimann P. · Steinger T. · Müller-Schärer, H. · Low genetic differentiation among seasonal generations in Senecio vulgaris as revealed by AFLP analysis. Molecular Ecology 12, 2541-2551 · Download
• Grace B.S. · Müller-Schärer H. · Managing crop-weed interactions : Biological control of Senecio vulgaris in carrots (Daucus carota), Basic and Applied Ecology 4, 375-384 · Download

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2002

• Steinger T. · Haldimann P. · Leiss K. · Müller-Schärer H. · Does natural selection promote population divergence? A comparative analysis of population structure using amplified fragment length polymorphism markers and quantitative traits. Molecular Ecology 11 : 2583-2590 · Download
• Frantzen J. · Rossi F. · Müller-Schärer H. · Integration of biological control of Senecio vulgaris into chemical weed control. Weed Science, 50, 787-793 · Download
• Müller-Schärer H. · Biologische Verfahren. In : Unkraut : Biologie und Bekämpfung (P. Zwerger und H.U. Ammon, eds.) Ulmer Verlag, Stuttgrt, 118-131 · Download
• Müller-Schärer H. · Principles of integrated pest management with emphasis on weeds. In : Encyclopedia of Pest Management, (ed. Pimentel D), Marcel Dekker, Inc., New York · Download

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2001

• Scheepens P.C. · Müller-Schärer H. · Kempenaar C. · Opportunities for biological weed control in Europe. BioControl 46 (2), 127-138 · Download
• Schaffner U. · Kleijn D. · Brown V. · Müller-Schärer H. · Veratrum album L. in montane grasslands : a model system for implementing biological control in land management practices of high biodiversity habitats. Biocontrol News and Information 22 (1), 19-28 · Download
• Leiss K. · Müller-Schärer H. · Adaptation of Senecio vulgaris to ruderal and agricultural habitats. American Journal of Botany 88, 1593-1599 · Download
• Leiss K. · Müller-Schärer H. · Performance of reciprocally sown populations of Senecio vulgaris from ruderal and agricultural habitats. Oecologia 128, 210-216 · Download
• Frischknecht P.M. · Schuhmacher K. · Müller-Schärer H. · Baumann T.W. · Phenotypic plasticity of Senecio vulgaris : from contrasting habitat types : growth and pyrrolizidine alkaloid formation. Journal of Chemical Ecology 27 (2), 343-358 · Download
• Frantzen J. · Müller-Schärer H. · The system management approach of biological weed control : theory and application. BioControl 46 (2), 139-155 · Download
• Leiss K. · Müller-Schärer H. · Population dynamics of the annual plant Senecio vulgaris and the rust fungus Puccinia lagenophorae at ruderal and agricultural habitats. Basic and Applied Ecology 2, 53-64 · Download
• Wyss G.S. · Müller-Schärer H. · Effects of selected herbicides on the germination and infection process of Puccinia lagenophorae, a biocontrol agent of Senecio vulgaris. Biological Control 20, 160-166 · Download
• Müller-Schärer H. · Fischer M. · Genetic structure of Senecio vulgaris in relation to habitat type and population size. Molecular Ecology 10, 17-28 · Download

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2000

• Hinz H.L. · Müller-Schärer H. · Suitability of two root-mining weevils for the biological control of scentless chamomile, Tripleurospermum perforatum, with special regard to potential non-target effects. Bulletin of Entomological Research 90 497-508 · Download
• Hinz H.L. · Müller-Schärer H. · Influence of host condition on the performance of Rhopalomyia n. sp. (Diptera : Cecidomyiidae), a biological control agent for Tripleutospermum perforatum (Asteraceae). Biological Control, 18, 147-156 · Download
• Müller-Schärer H. · Scheepens P. · Greaves M. · Biological control of weeds in European crops : recent achievements and future work. Weed Research (25th Anniversary Jubilee edition) 40, 83-98 · Download

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1999

• Guadagnini M. · Herzig R. · Erismann K.H. · Müller-Schärer H. · In-vitro-Züchtung, Selektion und Erprobung von metall-akkumulierenden Tabakvarianten zur Bodensanierung. TerraTech 6, 52-54 · Download
• Wyss E. · Villiger M. · Müller-Schärer H. · The potential of three native insect predators to control the rosy apple aphid, Dysaphis plantaginea. BioControl 44, 171-182 · Download
• Wyss G.S. · Müller-Schärer H. · Infection process and resistance in the weed pathosystem Senecio vulgaris L.- Puccinia lagenophorae Cooke, and implications for biological control. Canadian Journal of Botany 77, 361-369 · Download
• Frey J.E. · Müller-Schärer H. · Frey B. · Frei D. · Complex relation between triazine susceptible phenotype and genotype in the weed Senecio vulgaris may be caused by chloroplast DNA polymorphism. Theoretical and Applied Genetics 99, 578-586 · Download
• Frantzen J. · Müller-Schärer H. · Wintering of the biotrophic fungus Puccinia lagenophorae within the annual plant Senecio vulgaris : implications for biological weed control. Plant Pathology 48, 483-490 · Download
• Ammon H.U. · Müller-Schärer H. · Prospects for combining biological weed control with integrated crop production systems, and with sensitive management of alpine pastures in Switzerlant. Journal of Plant Diseases and Protection 106 (2), 213-220 · Download
• Wyss E. · Villiger M. · Hemptinne J.L. · Müller-Schärer H. · Effects of augmentative releases of eggs and larvae of the two-spot ladybird beetle, Adalia bipunctata, on the abundance of the rosy apple aphid, Dysaphis plantaginea, in organic apple orchards. Entomologia Experimentalis et Applicata 90, 167-173 · Download

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1998

• Guadagnini M. · Herzig R. · Erismann K.H. · Müller-Schärer H. · Im Labor gezüchtete Pflanzen für die Bodensanierung. BioWorld 3, 3-6 · Download
• Frantzen J. · Müller-Schärer H. · A theory relating focal epidemics to crop-weed interaction. Phytopathology 88, 180-184 · Download
• Müller-Schärer H. · and Rieger S. Epidemic spread of the rust fungus Puccinia lagenophorae and its impact on the competitive ability of Senecio vulgaris in celeriac during early development. Biocontrol Science and Technology, 8 59-72 · Download

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1997

• Weiner J. · Martinez S. · Müller-Schärer H. · Stoll P. · Schmid B. · How important are environmental maternal effects in plants? a study with Centaurea maculosa. Journal of Ecology 85, 133-142 · Download
• Müller-Schärer H. · Scheepens P.C. · Biological control of weeds in crops : a co-ordinated European research programme. Integrated Pest Management Reviews 2 (2) 45-50 · Download

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1996

• Müller-Schärer H. · Frantzen J. · An emerging system management approach for biological weed control in crops : Senecio vulgris as a research model. Weed Research 36, 483-491 · Download
• Müller-Schärer H. · Interplanting ryegrass in winter leek : effect on weed control, crop yield and allocation of N-fertiliser. Crop Protection, 15, 641-648 · Download

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1995

• Müller-Schärer H. · Brown V.C. · Direct and indirect effects of above- and below-ground insect herbivory on plant density and performance of Tripleurospermum perforatum during early plant succession. Oikos 72, 36-41 · Download

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1994

• Saner M. · Jeanneret P. · Müller-Schärer H. · Interactions among a root mining moth, a stemm mining weevil, and the phenostage of their host plant, Linaria dalmatica (L.) Mill. (Scrophulariaceae). Biocontrol Science and Technology 4, 215-222 · Download
• Saner M. · Müller-Schärer H. · Impact of root mining by Eteobalea spp. on clonal growth and reproduction of common toadflax, Linaria vulgaris Mill. Weed Research 34, 199-204 · Download
• Landau I. · Müller-Schärer H. · Ward P. · The influence of cnicin, a sesquiterpene lactone of Centaurea maculosa on specialist and generalist insect herbivores. Journal of Chemical Ecology 20, 929-942 · Download
• Müller-Schärer H. · Wyss G.S. · Das Gemeine Kreuzkraut (Senecio vulgaris L.) : Problemunkrautart und Möglichkeiten der biologischen Bekämpfung. Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz, Sonderheft XIV, 201-209 · Download

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1993

• Schroeder D. · Müller-Schärer H. · Stinson C.S.A. · A European weed survey in ten major crops to indentify targests for biological control. Weed Research 33, 449-458 · Download
• Müller-Schärer H. · Schroeder D. · The biological control of Centaurea spp. in North America : do insects solve the problem? Pesticide Science 37, 343-353 · Download

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1992

• Steinger T. · Müller-Schärer H. · Physiological and growth responses of Centaurea maculosa (Asteraceae) to root herbivory under varying levels of interspecific plant competition and soil nitogen availability. Oecologia 91, 141-149 · Download

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1991

• Müller-Schärer H. · Lewinsohn T.M. · J. Lawton. · Searching for weed biocontrol agents : when to move on? Biocontrol Science and Technology 1, 271-280 · Download
• Müller-Schärer H. · Lehr C. · Klein M. · Marquardt K. · Gel-electrophoretic description of European populations of Terellia virens (Loew) (Dip. : Tephritidae), and implications for its use as biological control agent of Centaurea spp. (Asteraceae) in North America. Experientia 47, 859-864 · Download
• Müller-Schärer H. · Pflanzenreaktionen auf Wurzelherbivoren, Variationen, Ursachen und Mechanismen : Experimente an zweijährigen Kompositen. In : Populationsbiologie der Pflanzen (B. Schmid and J. Stöcklin, eds.). Birkhäuser Verlag Basel ; chapter 17 : 281-297 · Download
• Müller-Schärer H. · The impact of root herbivory as a function of plant density and competition : survival, growth and fecundity of Centaurea maculosa (Compositae) in field plots. Journal of Applied Ecology 28, 759-776 · Download

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1990

• Müller-Schärer H. · Nuessly G.S. · Goeden R.D. · Natural enemies and host-plant asynchrony contributing to the failure of the introduced moth Coleophora parthenica Meyrick (Lepidoptera : Coleophoridae) to control Russian thistle. Agriculture, Ecosystems and Environment 32, 133-142 · Download
• Müller-Schärer H. · Goeden R.D. · Parasitoids acquired by Coleophora parthenica (Lepidoptera : Coleophoridae), ten years after its introduction into Southern California for the biological control of Russian thistle. Entomophaga 35, 257-268 · Download

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1989

• Müller-Schärer H. · Stinson C.A.S. · Marquardt K. · Schröder D. · The entomofaunas of roots of Centaurea maculosa Lam., C. diffusa Lam. and C. vallesiaca Jordan in Europe : Niche separation in space and time. Journal of Applied Entomology 107, 83-95 · Download
• Müller-Schärer H. · Growth pattern of diploid and tetraploid spotted knapweed, Centaurea maculosa Lam. (Compositae) and effects of the root-mining moth Agapeta zoegana (L.) (Lep. : Cochylidae). Weed Research 29, 103-111 · Download
• Müller-Schärer H. · Structural analysis of the phytophagous insect guilds associated with the roots of Centaurea maculosa Lam., C. diffusa Lam., and C. vallesiaca Jordan in Europe : 1. Field observations. Oecologia 78, 41-52 · Download

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1988

• Müller-Schärer H. · Schröder D. · Gassmann A. · Agapeta zoegana (L.) (Lep. Cochylidae), a suitable prospect for biological control of spotted and difuse knapweed, Centaurea maculosa Lam. and C. diffusa Lam. (Compositae) in Canada. Can. Entomol. 120, 109-124 · Download

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1987

• Goeden R.D. · Ricker D.W. · Müller-Schärer H. · Introduction, recovery, and limited establishment of Coleophora klimeschiella (Lepidoptera : Coleophoridae) on Russian thistles, Salsola australis, in Southern California. Environ. Entomol. 16, 1027-1029 · Download

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1985

• Toth M. · Guerin P.M. · Buser H.-R. · Müller-Schärer H. · Scocs G. · Sciraki G. · Arn H. · Z-11-Tetradecenyl acetate : Sex attractant of Agapeta zoegana (Lep. Cochylidae), a potential species for the biological control of knapweed. Can. Entomol. 117, 1163-1165 · Download

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1983

• Müller-Schärer H. · Untersuchungen zur Eignung von Stenodes straminea Haw. (Lep Cochylidae) für die biologische Bekämpfung von Centaurea maculosa Lam. gefleckte Flockenblume) (Compositae) in Kanada. Mitt. Schweiz. Entomol. Ges. 56, 329-342 · Download