Forest Pathology and Mycology Laboratory City Forest
January 15, 2009
 


In The News

  • Science-based outreach helps stem sudden oak death, Importance of community outreach and public information programs to prevent the spread of SOD. California Agriculture. 1/8/09. Article

  • Deadly oak disease plagues researchers, Scientists to protect tanoaks. Half Moon Bay Review. 11/19/08. Article

  • Molecular Ecology, Editorial and Retrospective 2008 PDF

  • Fungus-killed oaks make Basin Complex fire hotter, harder to fight, Dead trees create greater danger. Los Angeles Times. 7/7/08. Article

  • Tracking a killer. On the trail of Sudden Oak Death. California Magazine, July/August 2008. Article

  • UC eggheads find where oak plague started, Origins of the disease. East Bay Express. 4/17/08. Blog

  • Mount Tam, Santa Cruz sites called launching pads for sudden oak death, Reconstructing the epidemic. Marin Independent Journal. 4/16/08. Article

  • Experts determine where Sudden Oak Death began. Nursery plants and people believed to help spread of disease. San Francisco Chronicle, 4/17/08. Article

  • Sudden Oak Death epidemic traced to two coastal California sites. DNA fingerprint indicates introduction through the nursery trade. San Jose Mercury News, 4/17/08. Article

  • Scientists pinpoint source of Bay Area's Sudden Oak Death epidemic. Scotts Valley and Mt. Tam seen as likely starting points for infection. San Jose Mercury News, 4/16/08. Article

  • Bringing Forests up to Date. The Garden of Eden of the Golden State is already gone. San Francisco Chronicle, 2/29/08. Article

  • Ask an Arborist: Sudden Oak Death still alive and well. San Francisco Chronicle, 10/6/07. Article

  • Sudden Oak Death. As oaks are dying in our foothills and mountains, local residents are rallying to save the cherished trees. The Almanac, October 2007. Cover Story

  • WWII Tree Disease. A fungus brought by American troops in WWII infected Italian trees. AAAS Science Update, October 2007. Radio Feature/Pocast

  • Plant Plague: Sudden Oak Death. SOD has devastated over one million oak trees across Northern California and southern Oregon. KQED QUEST, October 2007. Video and Website

  • A Pox Upon the Kauri. New Zealanders rally to save their much-loved 2,000-year-old national symbol. Smithsonian, October 2007. Article

  • Trees Become Casualties of War. Introduction of US pathogen to Europe during WWII. The Lancet, August 2005. PDF

Recent Scientific Publications
  • 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

  • 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

Publications from 2001
  • 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

  • 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

  • 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

  • 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

  • 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. 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., 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

  • 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

  • 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

  • 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

  • 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

  • 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.M. & Nicolotti, G. (2005) Seasonal patterns of spore deposition of Heterobasidion species in four forests of the western alps. Phytopathology 95, 759-767. 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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

  • O'Gara, E. Hüberli, D. & Hardy, G. (2005) Phytophthora ramorum: a threat to Australia? Australasian Plant Conservation 13, 22-24. 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

  • 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

  • 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

  • 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

  • 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

  • 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
  • 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

  • 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



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