Scientific Publications


  • Sims, L., Schmidt, D., Garbelotto, M. 2016.  First Report of Bristlecone Fir Branch Canker in California Caused by Diplodia mutila. Plant Disease: Disease Notes, P. 2534. 100(12) PDF
  • Kasuga, T., Bui, M., Bernhardt, E., Swiecki, T., Aram, K., Cano, L., Webber, J., Brasier, C., Press, C., Grunwald, N., Rizzo, D., Garbelotto, M. 2016. Host-induced aneuploidy and phenotypic diversification in the Sudden Oak Death pathogen Phytophthora ramorum. BMC Genomics 17:385 DOI 10.1186/s12864-016-2717-z. PDF
  • Swain, S., Garbelotto, M. 2016. Phytophthora ramorum can survive introduction into finished compost. California Agriculture 69(4): 237-241 DOI: 10.3733/ca.v069n04p237. PDF


  • DOUANLA-MELI, C., DUTECH, C, GARBELOTTO, M., GONTHIER, P.,HIETALA, A., MATTHEW-BERRY, S., ,MONTECCHIO, L.,  PETTER, F., GROUSSET, F. 2015. Pest risk analysis for Heterobasidion irregulare. EPPO, Paris. 15-21059, PDF
  • Gonthier, P., Faccoli, M., Garbelotto, M., Capretti, P. 2015. Invasioni biologiche ed effetti sulla biodiversità forestale – Bioinvasions and their effects on the forest biodiversity. Proceedings of the Second International Congress of Silvicuture – Florence, November 26th – 29th 2014. PDF
  • Sillo, F., Garbelotto, M., Freidman, M., Gonthier, P. 2015. Comparative genomics of sibling fungal pathogenic taxa identifies adaptive evolution without divergence in pathogenicity genes or genomic structure. Genome Biol. and Evol., 7(12):3190-3206, doi:10.1093/gbe/evv209 PDF
  • Gonthier, P. Sillo, F., Lagostina, E., Roccotelli, A., Cacciola, O. S., Stenlid, J., and Garbelotto, M. 2015. Selection process in simple sequence repeats suggest a correlation with their genomic location: insights from a fungal model system. BMC Genomics, 16:1107. Doi: 10.1186/s12864-015-2274x PDF
  • Garbelotto, M., Della Rocca, G., Osmundson, T., di Leoardo, V., Danti, R. (2015) An increase in transmission-related traits and in phenotypic plasticity is documented during a fungal invasion. Ecosphere 6(10):180. PDF
  • Gonthier, P., Guglielmo, F., Sillo, F., Giordano, L., Garbelotto, M. (2015)  A molecular diagnostic assay for the detection and identification of wood decay fungi of conifers. For. Path. 45, 89-101, doi: 10.1111/efp.12132 PDF
  • Meetenmeyer, R., Dorning, M., Vogler, J., Schmidt, D., Garbelotto, M. (2015) Citizen science helps predict risk of emerging infectious disease. Front Ecol Environ 13(4): 189-194. doi: 10.1890/140299 PDF
  • Eyre, C., Garbelotto, M. (2015) Detection, diversity, and population dynamics of waterborne Phytophthora ramorum populations. Phytopathology 105:57-68  PDF


  •  Eyre, C., Hayden, K., Kozanitas, M., Grünwald, N., Garbelotto M. (2014) Lineage, temperature, and host species have interacting effects on lesion development in Phytophthora ramorum. Plant Dis. 98:1717-1727. PDF
  • Gonthier, P., Anselmi, N., Garbelotto, M., Gonthier, P. (2014) Il cerchio di fuoco. ACER 5/2014, 45-50. PDF
  • Garbelotto, M., Maddison, E.R., Schmidt, D. (2014) SODmap and SODmap Mobile: Two Tools to Monitor the Spread of Sudden Oak Death. Forest Phytophthoras 4(1). doi: 10.5399/osu/fp.4.1.3560 Link
  • Garbelotto, M., Barbosa. D. (2014) First Report of the NA2 Lineage of Phytophthora ramorum from an Ornamental Rhododendron in the Interior of California. Plant Disease, Disease Notes 98(6):849 PDF
  • Gonthier, P., Anselmi, N., Capretti, P., Bussotti, F., Feducci, M., Giordano, L., Honorati, T., Lione, G., Luchi, N., Michelozzi, M., Paparatti, B., Sillo, F., Vettraino, A., Garbelotto, M. (2014) An integrated approach to control the introduced forest pathogen Heterobasidion irregulare in Europe. Forestry 2014; 0, 1-11, doi:10.1093/forestry/cpu015 PDF
  • Hayden, K., Garbelotto, M., Knaus, B., Cronn, R., Rai, H., Wright, J. (2014) Dual RNA-seq of the plant pathogen Phytophthora ramorum and its tanoak host. Tree Genetics & Genomes 10:489-502 DOI 10.1007/s11295-014-0698-0 PDF
  • Lockman, B., Mascheretti, S., Schechter, S., & Garbelotto, M. (2014). A First Generation Heterobasidion Hybrid Discovered in Larix lyalli in Montana. Plant Disease, “First Look” PDF


  •  Bergemann S., Kordesch N., VanSant-Glass W., Garbelotto M., Metz T. (2013) Implications of Tanoak Decline in Forests Impacted By Phytophthora ramorum: Girdling Decreases the Soil Hyphal Abundance of Ectomycorrhizal Fungi Associated With Notholithocarpus densiflorus. Madroño, 60(2):95-106. DOI: 10.3120/0024-9637-60.2.95 PDF
  • Capretti P., Comparini C., Garbelotto M., La Porta N., Santini A., (eds.) (2013) Proceeding of the XIII International Conference on Root and Butt Root of Forest Trees. Firenze (FI) – S. Martino di Castrozza (TN), Italy, 4th – 10th September 2012. University Press, Firenze, 280 pp. PDF
  • Cobb R., Rizzo D., Hayden K., Garbelotto M., Filipe J., Gilligan C., Dillon W., Meentemeyer R., Valachovic Y., Goheen E., Swiecki T., Hansen E., Frankel S. (2013) Biodiversity Conservation in the Face of Dramatic Forest Disease: An Integrated Conservation Strategy for Tanoak (Notholithocarpus densiflorus) Threatened by Sudden Oak Death. Madroño, 60(2):151-164. DOI: 10.3120/0024-9637-60.2.151 PDF
  • Croucher, P., Mascheretti, S., Garbelotto, M. (2013) Combining field epidemiological information and genetic data to comprehensively reconstruct the invasion history and the microevolution of the sudden oak death agent Phytophthora ramorum (Stramenopila: Oomycetes) in California. Biol Invasions DOI: 10.1007/s10530-013-0453-8 PDF
  • Della Rocca, G., Osmundson, T., Danti, R., Doulis, A., Pecchioli, A., Donnarumma, F., Casalone, E., Garbelotto, M. (2013) AFLP analyses of California and Mediterranean populations of Seiridium cardinale provide insights on its origin, biology and spread pathways. Forest Pathology doi: 10.1111/efp.12019 PDF
  • Eyre, C., Kozanitas, M., Garbelotto, M. (2013) Population dynamics of aerial and terrestrial populations of Phytophthora ramorum in a California forest under different climatic conditions. Phytopathology 103:1141-1152. PDF
  • Garbelotto M., Gonthier, P. (2013) Biology, Epidemiology, and Control of Heterobasidion Species Worldwide. Annu. Rev. Phytopathol. 51:39-59. PDF
  • Garbelotto M., Guglielmo, F., Mascheretti, S., Croucher, P., Gonthier, P. (2013) Population genetic analyses provide insights on the introduction pathway and spread patterns of the North American forest pathogen Heterobasidion irregulare in Italy. Molecular Ecology, 22: 4855-4869 doi: 10.1111/mec.12452. PDF
  • Giordano, L., Gonthier, P., Lione, G., Capretti, P., M., Garbelotto, M. (2013) The saprobic and fruiting abilities of the exotic forest pathogen Heterobasidion irregulare may explain its invasiveness. Biol Invasions DOI 10.1007/s10530-013-0538-4 PDF
  • Gonthier, P., Garbelotto M. (2013) Reducing the threat of emerging infectious diseases of forest trees – Mini Review. CAB Reviews. 8(025) doi: 10.1079/PAVSNNR20138025 PDF
  • Hayden K., Garbelotto M., Dodd R., Wright J. (2013) Scaling up from greenhouse resistance to fitness in the field for a host of an emerging forest disease. Evolutionary Applications. doi:10.1111/eva.12080 PDF
  • Osmundson T.W., Robert V.A., Schoch C.L., Baker L.J., Smith A., Robich G., Mizzan L., Garbelotto M. (2013) Filling gaps in biodiversity knowledge for macrofungi: contributions and assessment of an herbarium collection DNA barcode sequencing project. PLoS ONE 8(4) 1-8. PDF
  • Osmundson, T., Eyre, C., Hayden, K., Dhillon, J. & Garbelotto, M. (2013) Back to basics: an evaluation of NaOH and alternative rapid DNA extraction protocols for DNA barcoding, genotyping, and disease diagnostics from fungal and oomycete samples. Molecular Ecology Resources (13) 66-74. doi: 10.1111/1755-0998.12031 PDF


  • Garbelotto, M. & Hayden, K. (2012) Sudden oak death: Interactions of the exotic oomycetes Phytophthora ramorum with naive North American hosts. Eukaryotic Cell doi: 10.1128/EC.00195-12. PDF
  • Garbelotto, M., Gonthier, P. (2012) Molecular diagnosis of wood rotting fungi on ornamental and urban trees: state of art and perspectives. Protezione delle Colture 1:13-15 PDF
  • Giordano, L., Garbelotto, M., Nicolotti, G., Gonthier, P. (2012) Characterization of fungal communities associated with the bark beetle Ips typographus varies depending on detection method, location, and beetle population levels. Mycol Progress DOI 10.100/7s11557-012-0822-1 PDF
  • Gonthier, P., Lione, G., Giordano, L., Garbelotto, M. (2012) The American forest pathogen Heterobasidion irregulare colonizes unexpected habitats after its introduction in Italy. Ecological Applications 22(8) 2135-2143. PDF
  • Grunwald, N., Garbelotto, M., Goss, E., Heungens, K. & Prospero, S. (2012) Emergence of the sudden oak death pathogen Phytophthora ramorum. Trends in Microbiology 20(3) 131-138 PDF
  • Kasuga, T., Kozanitas, M., Bui, M., Huberli, D.. Rizzo, D., & Garbelotto, M. (2012) Phenotypic Diversification Is Associated with Host- Induced Transposon Derepression in the Sudden Oak Death Pathogen Phytophthora ramorum. PLoS ONE 7(4): e34728. doi:10.1371/journal.pone.0034728 PDF
  • Olson, A., Aerts, A., Asiegbu, F., Belbahri, L., Bouzid, O., Broberg, A., Canback, B., Coutinho, P., Cullen, D., Dalman, K., Deflorio, G., van Diepen, L., Dunand, C., Duplessis, S., Durling, M., Gonthier, P., Grimwood, J., Fossdal, C., Hansson, D., Henrissat, B., Hietala, A., Himmelstrand, K., Hoffmeister, D., Hogberg, N., James, T., Karlsson, M., Kohler, A., Kues, U., Lee, Y., Lin, Y., Lind, M., Lindquist, E., Lombard, V., Lucas, S., Lunden, K., Morin, E., Murat, C., Park, J., Raffaello, T., Rouze, P., Salamov, A., Schmutz, J., Solheim, H., Stahlberg, J., Velez, H., de Vries, R., Wiebenga, A., Woodward, S., Yakovlev, I., Garbelotto, M., Martin, F., Grigoriev, I., & Stenlid, J. (2012) Insight into trade-off between wood decay and parasitism from the genome of a fungal forest pathogen. New Phytologist doi: 10.1111/j.1469-8137.2012.04128.x PDF
  • Pautasso, M., Doring, T., Garbelotto, M., Pellis, L., & Jeger, M. (2012) Impacts of climate change on plant diseases – opinions and trends. Eur J Plant Pathol Doi: 10.1007/s10658-012-9936-1 PDF


  • Chimento, A., Cacciola S. & Garbelotto, M. (2011) Detection of mRNA by reverse-transcription PCR as an indicator of viability in Phytophthora ramorum. For. Path. doi: 10.1111/j.1439-0329.2011.00717.x PDF
  • Della Rocca, G., Danti, R., & Garbelotto, M. (2011) First Report of Seiridium unicorne causing bark cankers on a Monterey cypress in California. Plant Disease doi 10.1094/PDIS-01-11-0052. PDF
  • Della Rocca, G., Eyre, C., Danti, R., & Garbelotto, M. (2011) Sequence and Simple-Sequence Repeat Analyses of the Fungal Pathogen Seiridium cardinale Indicate California Is the Most Likely Source of the Cypress Canker Epidemic for the Mediterranean Region. Phytopathology 101(12): 1408-1417. Doi: 10.1094/PHYTO-05-11-0144 PDF
  • Garbelotto, M. & Pautasso, M. (2011) Impacts of exotic forest pathogens on Mediterranean ecosystems: four case studies. Eur J Plant Pathol Doi: 10.1007/s10658-011-9928-6 PDF
  • Gonthier, P. & Garbelotto, M. (2011) Amplified fragment length polymorphism and sequence analyses reveal massive gene introgression from the European fungal pathogen Heterobasidion annosum into its introduced congener H. irregulare. Molecular Ecology 20, 2756-2770 PDF
  • Hayden, K., Nettel, A., Dodd, R. & Garbelotto, M. (2011) Will all the trees fall down? Variable resistance to an introduced forest disease in a highly susceptible host. Forest Ecol. Manage. doi 10.1016/j.foreco.2011.01.042 PDF
  • Huberli, D. & Garbelotto, M. (2011) Phytophthora ramorum is a generalist plant pathogen with differences in virulence between isolates from infectious and dead-end hosts. Forest Pathology doi 10.1111/j.1439-0329.2011.00715.x PDF
  • Huberli, D., Hayden, K. J., Calver, M., & Garbelotto, M. (2011) Intraspecific variation in host susceptibility and climatic factors mediate epidemics of sudden oak death in western US forests. Plant Pathology Doi: 10.1111/j.1365-3059.2011.02535.x PDF
  • Lee, C., Valachovic, Y., & Garbelotto, M. (2011) Protecting trees from sudden oak death before infection. University of California, Agricultural and Natural Resources Publication #8426. PDF
  • Nagle A. M., McPherson, B. A., Wood, D. L., Garbelotto, M. & Bonello, P. (2011) Relationship between field resistance to Phytophthora ramorum and constitutive phenolic chemistry of coast live oak. For. Path., doi: 10.1111/j.1439-0329.2010.00703.x PDF


  • Peay, K. G., Garbelotto, M. & Bruns, T. D. (2010) Evidence of dispersal limitations in soil microorganisms: Isolation reduces species richness on mycorrhizal tree islands. Ecology, 91(12): 3631-3640. PDF
  • Peay, K. G., Bruns, T. D., & Garbelotto, M. (2010) Testing the ecological stability of ectomycorrhizal symbiosis: effects of heat, ash, and mycorrhizal colonization on Pinus muricata seedling performance. Plant Soil, 330: 291-302, doi:10.1007/s11104-009-0200-1 PDF
  • Guglielmo, F., Gonthier, P., Garbelotto, M & Nicolotti, G. (2010) Optimization of sampling procedures for DNA-based diagnosis of wood decay fungi in standing trees. Letters in Applied Microbiology, doi:10.1111/j.1472-765X.2010.02860.x PDF


  • Vettraino, A., Sukno, S., Vannini, A. & Garbelotto, M. (2009) Diagnostic sensitivity of different methods used by two laboratories for the detection of Phytophthora ramorum on multiple natural hosts. Plant Pathology, Doi: 10.1111/j.1365-3059.2009.02209.x PDF
  • Otrosina, W. & Garbelotto, M. (2009) Heterobasidion occidentale sp. nov. and Heterobasidion irregulare nom. nov.: A disposition of North American Heterobasidion biological species. Mycological Research, doi:101016/j mycres 2009.09.001 PDF
  • Mascheretti, S., Croucher, P., Kozanitas, M., Baker, L., & Garbelotto, M. (2009) Genetic epidemiology of the Sudden Oak Death pathogen Phytophthora ramorum in California. Molecular Ecology, 18, 4577-4590. PDF
  • Garbelotto, M., Linzer, R., Nicolotti, G., & Gonthier, P. (2009) Comparing the influences of ecological and evolutionary factors on the successful invasion of a fungal forest pathogen. Biol Invasions, doi: 10.1007/s10530-009-9514-4 PDF
  • Bonuso, E., Zambonelli, A., Bergemann, S., Iotti, M., & Garbelotto, M. (2009) Multilocus phylogenetic and coalescent analyses identifying two cryptic species in the Italian bianchetto truffle, Tuber borchii Vittad. Consv Genet, doi: 10.1007/s10592-009-9972-3 PDF
  • Grünwald, N. J., Goss, E. M., Ivors,K., Garbelotto, M., Martin, F. N., Prospero, S., Hansen, E., Bonants, P. J. M., Hamelin, R. C., Chastagner, G., Werres, S., Rizzo, D. M., Abad, G., Beales, P., Bilodeau, G. J., Blomquist, C. L., Brasier, C., Brière, S. C., Chandelier, A., Davidson, J. M., Denman, S., Elliott, M., Frankel, S. J., Goheen, E. M., de Gruyter, H., Heungens, K., James, D., Kanaskie, A., McWilliams, M. G., Man in ‘t Veld, W., Moralejo, E., Osterbauer, N. K., Palm, M. E., Parke, J. L., Perez Sierra, A. M., Shamoun, S. F., Shishkoff, N., Tooley, P. W., Vettraino, A. M., Webber, J., & Widmer, T. L. (2009) Standardizing the nomenclature for clonal lineages of the sudden oak death pathogen, Phytophthora ramorum. Phytopathology 99, 792-795. PDF
  • Baumgartner, L., Grubisha, C., Fujiyoshi, P., Garbelotto, M., & Bergemann, S. (2009) Microsatellite markers for the diploid basidiomycete fungus Armillaria mellea. Molecular Ecology Resources, doi: 10.1111/j.1755-998.2008.02494.x PDF
  • Martin, F., Coffey, W., Zeller, K., Hamelin, R., Tooley, P., Garbelotto, M., Hughes, K., Kubisiak, T., Bilodeau, G., Levy, L., Blomquist, C., Berger, P. (2009) Evaluation of molecular markers for Phytophthora ramorum detection and identification: Testing for specificity using a standardized library of isolates. Phytopathology, 90(4) 390-403. doi: 10.1094/PHYTP-99-4-0390 PDF
  • Amend, A., Garbelotto, M., Fang, Z., & Keely, S. (2009) Isolation by landscape in populations of a prized edible mushroom Tricholoma matsutake. Conserv. Genet., doi: 10.1007/s10592-009-9894-0. PDF
  • Peay, K., Garbelotto, M., & Bruns, T. (2009) Spore heat resistance plays an important role in disturbance-mediated assemblage shift of ectomycorrhizal fungi colonizing Pinus muricata seedlings. J. Ecol., 35(1), doi: 10.1111/j.1365-2745.2009.01489.x PDF
  • Linzer, R., Rizzo, D., Cacciola, S., & Garbelotto, M. (2009) AFLPs detect low genetic diversity for Phytophthora nemorosa and P. pseudosyringae in the US and Europe. Mycological Research, In Press, doi:10.1016/j.mycres.2008.11.004 PDF
  • Amend, A., Keeley, S., & Garbelotto, M. (2009) Forest age correlates with fine-scale spatial structure of Matsutake mycorrhizas. Mycological Research, In Press, doi:10.1016/j.mycres.2009.01.005 PDF
  • Nicolotti, G., Gonthier, P. Guglielmo, F., & Garbelotto, M. (2009) A biomolecular method for the detection of wood decay fungi: A focus on tree stability assessment. Arboriculture & Urban Forestry, 35(1), 14-19. PDF
  • Bergemann, S., Smith, A., Parrent, J., Gilbert, G., & Garbelotto, M. (2009) Genetic population structure and distribution of a fungal polypore, Datronia caperata in mangrove forests of Central America. Journal of Biogeography, 36, 266-279. PDF
  • Garbelotto, M. and Schmidt, D. (2009) Phosphonate controls sudden oak death pathogen for up to 2 years. California Agriculture, 63(1), 10-17. PDF


  • Garbelotto, M. (2008) Molecular analysis to study invasions by forest pathogens: examples from Mediterranean ecosystems. Phytopathol. Mediterr., 47, 183-203. PDF
  • Huberli, D., Lutzy, B., Voss, B., Calver, M., Ormsby, M. , and Garbelotto, M. (2008) Susceptibility of New Zealand flora to Phytophthora ramorum and pathogen sporulation potential: an approach based on precautionary principle. Australasian Plant Pathology, 37, 615-625. PDF
  • Garbelotto, M., Harnik, T.Y., and Schmidt D.J. (2008) Efficacy of phosphonic acid, metalaxyaxyl-M, and copper hydroxide against Phytophthora ramorum in vitro and in planta. Plant Pathology, Doi: 10.1111/j.1365-3059.2008.01894.x. PDF
  • Garbelotto, M. (2008) Preserved specimens suggest non-native origins of three species of Phytophthora in California. Mycological Research, 112, 757-8. PDF
  • Mascheretti, S., Croucher, P., Vettraino, A., Prospero, S., & Garbelotto, M. (2008) Reconstruction of the sudden oak death epidemic in California through microsatellite analysis of the pathogen Phytophthora ramorum. Molecular Ecology, 17(11), 2755-2768. PDF
    Supplemental Information: Allele size of the multilocus genotypes identified in P. ramorum isolates. DOC
  • Dodd, R., Huberli, D., Mayer, W., Harnik, T., Afzal-Rafii, Z., & Garbelotto, M. (2008) Evidence for the role of synchronicity between host phenology and pathogen activity in the distribution of sudden oak death canker disease. New Phytologist, Journal Compilation, 1-10. PDF
  • Guglielmo, F., Gonthier, P., Garbelotto, M., & Nicolotti, G. (2008) A PCR-based method for the identification of important wood rotting fungal taxa within Ganoderma, Inonotus s.l. and Phellinus s.l. FEMS Microbiol. Lett., 282, 228-237. PDF
  • Nicolotti, G., Gonthier, P., Guglielmo, F., & Garbelotto, M., (2008) La Prova del DNA. Arboricoltura, 1/2008, 49-52. PDF
  • Linzer, R. E., Otrosina, W. J., Gonthier, P., Bruhn, J., Laflamme, G., Bussieres, G., & Garbelotto, M. (2008) Inferences on the phylogeography of the fungal pathogen Heterobasidion annosum, including evidence of interspecific horizontal genetig transfer and of human-mediated, long-range dispersal. Mol. Phylogenet. Evol., 46, 844-862. PDF
  • Garbelotto, M., Smith, T., & Schweigkofler, W. (2008) Variation in rates of spore deposition of Fusarium circinatum, the causal agent of pine pitch canker, over a 12-month-period at two locations in northern California. Phytopath., 98(1), 137-143. PDF
  • Vettraino, A. M., Huberli, D., & Garbelotto, M. (2008) Phytophthora ramorum infection of coast live oak leaves in California and its capacity to sporulate in vitro. Australasian Plant Pathol., 37, 72-73. PDF
  • Anacker, B. L., Rank, N. E., Huberli, D., Garbelotto, M., Gordon, S. Harnik, T., Whitkus, R., & Meentemeyer, R. (2008) Susceptibility to Phytophthora ramorum in a key infectious host: landscape variation in host genotype, host phenotype, and environmental factors. New Physiologist, Journal Compilation, 1-11. PDF


  • Garbelotto, M. (2007) Phosphite treatments to control sudden oak death in California oaks and tanoaks.(2007) Arborist News, August, 32-33. PDF
  • Garbelotto, M., Gonthier, P., & Nicolotti, G.. (2007) Ecological constraints limit the fitness of fungal hybrids in the Heterobasidion annosum species complex. Appl. and Environ. Microbiol., 73(19), 6106-6111. PDF
  • Garbelotto, M. & Gonthier, P. (2007) Le invasioni biologiche. Sapere, 10, 46-53. PDF
  • Garbelotto, M., Schmidt, D., & Harnik, Y. (2007) Phosphite injections and bark application of phosphite + Pentrabark control Sudden Oak Death in Coast Live Oak. Arboriculture & Urban Forestry., 33(5), 309-317. PDF
  • Gonthier, P., Nicolotti, G., Linzer, R., Guglielmo, F., & Garbelotto, M. (2007) Invation of European pine stands by a North American forest pathogen and its hybridization with a native infertile taxon. Molecular Ecology, 16, 1389-1400. PDF
  • Garbelotto, M. & Schweigkofler, W. (2007) First report of Fusarium circinatum, causal agent of pitch canker disease, from the roots of mature Aleppo pines in California. Plant Health Progress, 1-2. PDF
  • Peay, K. Bruns, T., Kennedy, P., Bergemann, S. & Garbelotto, M. (2007) A strong species-area relationship for eukaryotic soil microbes: island size matters for ectomycorrhizal fungi. Ecology Letters, 10, 470-480. PDF
  • Guglielmo, F., Bergemann, S., Gonthier, P., Nicolotti, G.., & Garbelotto, M. (2007) A multiplex PCR-based method for the detection and early identification of wood rotting fungi in standing trees. J. Appl. Microbiol., 103, 1490-1507. PDF


  • Swain, S., Harnik, T., Mejia-Chang, M., Hayden, K., Bakx, W., Creque, J., & Garbelotto, M. (2006) Composting is an effective treatment option for sanitization of Phytophthora ramorum-infected plant material. J. Appl. Microbiol., 101, 815-827. PDF
  • Chandelier, A., Ivors, K., Garbelotto, M., Zini, J., Laurent, F., & Cavelier, M. (2006) Validation of a real-time PCR method for the detection of Phytophthora ramorum. Bulletin OEPP/EPPO, Bulletin 36, 409-414. PDF
  • Brett M. Tyler, Sucheta Tripathy, Xuemin Zhang, Paramvir Dehal, Rays H. Y. Jiang, Andrea Aerts, Felipe D. Arredondo, Laura Baxter5 Douda Bensasson, Jim L. Beynon, Jarrod Chapman, Cynthia M. B. Damasceno, Anne E. Dorrance, Daolong Dou, Allan W. Dickerman, Inna L. Dubchak, Matteo Garbelotto, Mark Gijzen, Stuart G. Gordon, Francine Govers, Niklaus J. Grunwald, Wayne Huang, Kelly L. Ivors, Richard W. Jones, Sophien Kamoun, Konstantinos Krampis, Kurt H. Lamour, Mi-Kyung Lee, W. Hayes McDonald, Mónica Medina, Harold J. G. Meijer, Eric K. Nordberg, Donald J. Maclean, Manuel D. Ospina-Giraldo, Paul F. Morris, Vipaporn Phuntumart, Nicholas H. Putnam, Sam Rash, Jocelyn K. C. Rose, Yasuko Sakihama, Asaf A. Salamov, Alon Savidor, Chantel F. Scheuring, Brian M. Smith, Bruno W. S. Sobral, Astrid Terry, Trudy A. Torto-Alalibo, Joe Win, Zhanyou Xu, Hongbin Zhang, Igor V. Grigoriev, Daniel S. Rokhsar, Jeffrey L. Boore, (2006) Phytophthora Genome Sequences Uncover Evolutionary Origins and Mechanisms of Pathogenesis. Science 313, 1261-1266. PDF
  • Kennedy, P.G., Bergemann, S.E., Hortal, S., & Bruns, D. (2006) Determining the Outcome of Field-Based Competition Between Two Rhizopogon Species Using Real-Time PCR. Molecular Ecology In Press. PDF
  • Huberli, D., Wilkinson, C., Smith, M.A., Meshriy, M., Harnik, T.Y., & Garbelotto, M. (2006) Pittosporum undulatum is a potential Australian host of Phytophthora ramorum. Australasian Plant Disease Notes 1, 19-21. PDF
  • Bergemann, S.E. & Garbelotto, M. (2006) High Diversity of Fungi Recovered from the Roots of Mature Tanoak (Lithocarpus densiflorus) in Northern California. Can. J. Bot. 84, 1380-1394. PDF
  • Hayden, K., Ivors, K., Wilkinson, C., & Garbelotto, M. (2006) TaqMan Chemistry for Phytophthora ramorum Detection and Quantification, with a Comparison of Diagnostic Methods. Phytopathology 96 (8), 846-854. PDF
  • Bergemann, S.E., Douhan, G.W., Garbelotto, M. & Miller, S.L. (2006) No evidence of population structure across three isolated subpopulations of Russula brevipes in an oak/pine woodland. New Phytologist 170, 177-184. PDF
  • Ivors, K., Garbelotto, M., Vries, I.D.E., Ruyter-Spira, C., Hekkert, B.TE., Rosenzweig, N. & Bonants, P. (2006) Microsatellite markers identify three lineages of Phytophthora ramorum in US nurseries, yet single lineages in US forest and European nursery populations. Molecular Ecology 15, 1493-1505. PDF
  • Garbelotto, M., Hüberli, D. & Shaw, D. (2006) First report on an infestation of Phytophthora cinnamomi in natural oak woodlands of California and its differential impact on two native oak species. Plant Disease 90, 685. PDF
  • Vettraino, AM., Hüberli, D., Swain, S., Bienapfl, J.C., Smith, A. & Garbelotto, M. (2006) First report of infection of maiden-hair fern (Adiantum jordanii and A. aleuticum) by Phytophthora ramorum in California. Plant Disease 90, 379. PDF
  • Vettraino, AM., Hüberli, D., Swain, S., Smith, A. & Garbelotto, M. (2006) A new report of Phytophthora ramorum on Rhamnus purshiana in northern California. Plant Disease 90, 246. PDF


  • Bergemann, S.E., Miller, S.L. & Garbelotto, M. (2005) Microsatellite loci from Russula brevipes, a common ectomycorrhizal associate of several tree species in North America. Molecular Ecology Notes. PDF
  • Garbelotto, M. & Rizzo, D. (2005) A California-based chronological review (1995-2004) of research on Phytophthora ramorum, the causal agent of sudden oak death. Phytopathologia Mediterranea 44. PDF
  • Gonthier, P., Garbelotto, M.M. & Nicolotti, G. (2005) Seasonal patterns of spore deposition of Heterobasidion species in four forests of the western alps. Phytopathology 95, 759-767. PDF
  •  Hüberli, D., Ivors, K.L., Smith, A., Tse, J.G. & Garbelotto, M. (2005) First report of foliar infection of Maianthemum racemosa by Phytophthora ramorum. Plant Disease 89, 204. PDF
  • O’Gara, E. Hüberli, D. & Hardy, G. (2005) Phytophthora ramorum: a threat to Australia? Australasian Plant Conservation 13, 22-24. PDF
  •  Rizzo, D.M., Garbelotto, M. & Hansen, E. (2005) Phytophthora ramorum: Integrative research and management of an emerging pathogen in California and Oregon forests. Annual Review of Phytopathology 43, 309-335. PDF
  • Schweigkofler, W., Ostrosina, W.J., Smith, S.L., Cluck, D.R., Maeda, K., Peay, K.G. & Garbelotto, M. (2005) Detection and quantification of Leptographium wageneri, the cause of black-stain root disease, from bark beetles (Coleoptera: Scolytidae) in Northern California using regular and real-time PCR. Canadian Journal of Forest Research 35, 1798-1808. PDF


  • Chapella, I.H. & Garbelotto, M. (2004) Phylogeography and evolution in Matsutake and close allies inferred by analyses of ITS sequences and AFLPs. Mycologia, 96(4), 730-741. PDF
  • Dodd, R.S., Hüberli, D., Douhovnikoff, V., Harnik, T.Y., Afzal-Rafii, Z. & Garbelotto, M. (2004) Is variation in susceptibility to Phytophthora ramorum correlated with population genetic structure in coast live oak (Quercus agrifolia)? New Phytologist 165, 203-214. PDF
  • Garbelotto, M. (2004) Root and Butt Rot Diseases. Forest Pathology Elservier, Ltd. pp 1-9. PDF
  • Garbelotto, M. (2004) Sudden Oak Death: A tale of two continents. Outlooks on Pest Management 15, 85-89. PDF
  • Garbelotto, M. (2004) The use of taxon-specific PCR primers for ecological and diagnostic applications in forest mycology. In: Lartey, R.T. & Caesar, A.J. (ed.), Emerging Concepts in Plant Health Management. Research Signpost, Kerala, India, pp. 31-50. PDF
  • Garbelotto, M., Gonthier, P., Linzer, R., Nicolotti, G. & Otrosina, W. (2004) A shift in nuclear state as the result of natural interspecific hybridization between two north American taxa of the basidiomycete complex Heterobasidion. Fungal Genetics and Biology 41, 1046-1051. PDF
  • Gonthier, P., Warner, R., Nicolotti, G., Mazzaglia, A. & Garbelotto, M. (2004) Pathogen introduction as a collateral effect of military activity. Mycological Research 108, 468-470. PDF
  • Harnik, T.Y., Mejia-Chang, M., Lewis, J. & Garbelotto, M. (2004) Efficacy of heat-based treatments in eliminating the recovery of the Sudden Oak Death pathogen (Phytophthora ramorum) from infected California bay laurel leaves. Hortscience 39, 1677-1680. PDF
  • Hayden, K.J., Rizzo, D., Tse, J. & Garbelotto, M. (2004) Detection and quantification of Phytophthora ramorum from California forests using a real-time polymerase chain reaction assay . Phytopathology 94, 1075-1083. PDF
  • Hüberli, D., Reuther, K.D., Smith, A., Swain, S., Tse, J.G. & Garbelotto, M. (2004) First report of foliar infection of Rosa gymnocarpa by Phytophthora ramorum. Plant Disease 88, 430. PDF
  • Ivors, K.L., Hayden, K.J., Bonants, P.J.M., Rizzo, D.M. & Garbelotto, M. (2004) AFLP and phylogenetic analyses of North America and European populations of Phytophthora ramorum. Mycological Research 108, 378-392. PDF
  • Kong, P., Hong, C.X., Tooley, P.W., Ivors, K., Garbelotto, M. & Richardson, P.A. (2004) Rapid identification of Phytophthora ramorum using PCR-SSCP analysis of ribosomal DNA ITS-1. Letters in Applied Microbiology 38, 433-439. PDF
  • Parrent, J.L., Garbelotto, M. & Gilbert, G.S. (2004) Population genetic structure of the polypore Datronia caperata in fragmented mangrove forests. Mycological Research 108, 403-410. PDF
  • Schweigkofler, W., O’Donnell, K. & Garbelotto, M. (2004) Detection and quantification of airborne conidia of Fusarium circinatum, the causal agent of pine pitch canker, from two California sites using a real-time PCR approach combined with a simple spore trapping method. Applied and Environmental Microbiology 70, 3512-3520. PDF


  • Davidson, J.M., Rizzo, D.M., Garbelotto, M., Tjosvold, S., Slaughter, G.W. & Wickland, C. (2003) Evidence for aerial transmission of Phytophthora ramorum among Quercus and Lithocarpus in California woodlands. In ‘Phytophthora in Forests and Natural Ecosystems’. 2nd International IUFRO Working Party 7.02.09 Meeting, Albany, Western Australia, 30th Sept.- 5th Oct. 2001. Eds. J.A. McComb, G.E.St.J. Hardy & I.C. Tommerup. (Murdoch University Print, Perth, Australia) pp 108-114. PDF
  • Davidson, J.M., Werres, S., Garbelotto, M., Hansen, E.M. & Rizzo, D.M. (2003) Sudden oak death and associated diseases caused by Phytophthora ramorum. Online. Plant Health Progress doi:10.1094/PHP-2003-0707-01-DG. PDF
  • Garbelotto, M. (2003) Composting as a control for sudden oak death disease. Biocycle 44, 53-56. PDF
  • Garbelotto, M., Davidson, J.M., Ivors, K., Maloney, P.E., Hüberli, D., Koike, S.T. & Rizzo, D.M. (2003) Non-oak native plants are main hosts for sudden oak death pathogen in California. California Agriculture 57, 18-23. PDF
  • Garbelotto, M., Rizzo, D.M., Davidson, J.M., Slaughter, G.W. & Koike, S.T. (2003) A new Phytophthora infects several plant species and causes extensive mortality of three tree species in coastal woodlands in California. In ‘Phytophthora in Forests and Natural Ecosystems’. 2nd International IUFRO Working Party 7.02.09 Meeting, Albany, Western Australia, 30th Sept.- 5th Oct. 2001. Eds. J.A. McComb, G.E.St.J. Hardy & I.C. Tommerup. (Murdoch University Print, Perth, Australia) pp 255-256. PDF
  • Gonthier, P., Garbelotto, M. & Nicolotti, G. (2003) Swiss stone pine trees and spruce stumps represent an important habitat for Heterobasidion spp. in subalpine forests. Forest Pathology 33, 191-203. PDF
  • Hansen, E.M., Reeser, P., Davidson, J.M., Garbelotto, M., Ivors, K., Douhan, L. & Rizzo, D.M. (2003) Phytophthora nemorosa, a new species causing cankers and leaf blight of forest trees in California and Oregon, U.S.A. Mycotaxon 88, 129-138. PDF
  • Hüberli, D., Van Sant-Glass, W., Tse, J.G. & Garbelotto, M. (2003) First report of foliar infection of starflower by Phytophthora ramorum. Plant Disease 87, 599. PDF
  • Rizzo, D.M. & Garbelotto, M. (2003) Sudden oak death: Endangering California and Oregon forest ecosystems. Frontiers in Ecology and the Environment 1, 197-204. PDF
  • Swiecki T.J., E.A. Bernhardt and M. Garbelotto (2003) First report of root and crown rot caused by Phytophthora cinnamomi affecting native stands of Arctostaphylos myrtifolia and A. viscida in California. Plant Disease 87, 1395. PDF


  • Davidson, J.M., Garbelotto, M., Koike, S.T. & Rizzo, D.M. (2002) First report of Phytophthora ramorum on Douglas-fir in California. Plant Disease 86, 1274. PDF
  • Davidson, J.M., Rizzo, D.M., Garbelotto, M., Tjosvold, S. & Slaughter, G.W. (2002) Phytophthora ramorum and sudden oak death in California: II. Transmission and survival. USDA Forest Service General Technical Report No. PSW-GTR-184, 741-749. PD
  • Garbelotto, M., Rizzo, D.M., Davidson, J.M. & Frankel, S.J. (2002) How to recognize the symptoms of the diseases caused by Phytophthora ramorum, causal agent of Sudden Oak Death. USDA Forest Service, Pacific Southwest Region publication, 1-15. PDF
  • Garbelotto, M., Rizzo, D.M., Hayden, K., Meija-Chang, M., Davidson, J.M. & Tjosvold, S. (2002) Phytophthora ramorum and sudden oak death in California: III. Preliminary in pathogen genetics. USDA Forest Service General Technical Report No. PSW-GTR-184, 765-774. PDF
  • Garbelotto, M., Rizzo, D.M. & Marais, L. (2002) Phytophthora ramorum and sudden oak death in California: IV. Preliminary studies on chemical control. USDA Forest Service General Technical Report No. PSW-GTR-184, 811-818. PDF
  • Gonthier, P., Garbelotto, M. & Nicolotti, G. (2002) European pines may be simultaneously infected by more than one species of Heterobasidion. Plant Disease 86, 814. PDF
  •  Maloney, P.E., Rizzo, D.M., Koike, S.T., Harnik, T.Y. & Garbelotto, M. (2002) First report of Phytophthora ramorum on Coast Redwood in California. Plant Disease 86, 1274. PDF
  • McPherson, B.A., Rizzo, D.M., Garbelotto, M., Svihra, P., Wood, D.L., Storer, A.J., Kelly, N.M., Palkovsky, N., Tjosvold, S.A., Standiford, R.B. & Koike, S.T. (2002) Sudden oak death in California: Integrated pest management in the landscape. Pest Notes Publication 7498, 1-5. PDF
  • Rizzo, D.M., Garbelotto, M., Davidson, J.M., Slaughter, G.W. & Koike, S.T. (2002) Phytophthora ramorum as the cause of extensive mortality of Quercus spp. and Lithocarpus densiflorus in California. Plant Disease 86, 205-214. PDF
  • Rizzo, D.M., Garbelotto, M., Davidson, J.M., Slaughter, G.W. & Koike, S.T. (2002) Phytophthora ramorum and sudden oak death in California: I. Host relationships. USDA Forest Service General Technical Report No. PSW-GTR-184, 733-740. PDF


  • Garbelotto, M., Svihra, P. & Rizzo, D.M. (2001) Sudden oak death syndrome fells 3 oak species. California Agriculture 55, 9-19. PDF
  • Gonthier, P., Garbelotto, M., Varese, G.C. & Nicolotti, G. (2001) Relative abundance and potential dispersal range of intersterility groups of Heterobasidion annosum in pure and mixed forests. Canadian Journal of Botany, 79, 1057-1065. PDF

Ask a Question or Leave a Comment