Forest & Tree Pathology:
Forest & Tree Pathology ... from A to Z
Gypsy Moth Pages

Forest & Tree Pathology ... from A to Z:

ACIAR's Forestry Program, Australian Centre for International Agricultural Research, Canberra, Australia. Current Projects include ectomycorrhizal fungi for eucalypt plantations in China or minimising disease impacts on eucalyptus in Southeast Asia. Further available: About ACIAR, their Programs, News, Publications, Achievements and how to participate.

Apple IPM Program, University of Maine, Cooperative Extension, Pest Management Office. Available: Weather Information, Pest Management Information, the Apple Information Manager (AIM). Pest Management include Newsletters, Journals, Fact Sheets about apple pests, dieseases and disorders, Links to other IPM sites and Pesticide Information. Some information is specific for Maine and New England.

Arboriculture On-line, The International Society of Arboriculture (ISA) and the University of Illinois Cooperative States Research, Education, and Extension Service (ICSREES). The ISA website provides a lot of useful information on tree care. In ISA Publications you will find ARBCAT, a catalog of arboriculture, forestry and education programs; ARBCAT is fully searchable. Further you will find a literature compendium (which is also listed in the Journals section of PPIGB: 'Literature Databases'), Tree Care Consumer Information and Journals. In 'Other Resources' you will find many links. Also Available calendar of events, discussion groups, certification program. A good starting point especially for those interested education and training programs locations (ARBCAT).

California Pear Pages, maintaine by the California Pear Advisory Board (CPAB) and California Pear Growers (CPG). In 'Search Reports' you will find Entomology, Pathology, Post Harvest and Orchard Management. You can search this section by keyword. Information about fireblight, pine decline, scab, Codling Moth and more. Further available: business office, consumer information, pear links and more.

Common Tree Diseases of British Columbia, Forest Health Network, Canadian Forest Service of Natural Resources Canada, Pacific Forestry Centre, Victoria, British Columbia, Canada. This service provides information on many disease of trees. They offer different entry possibilities: You can select species by group name, scientific name or common name, Disease can be selected by host or or symptoms and they also provide a problem diagnosis feature. For each disease you will get information on hosts, distribution, identification, microscopic characteristics, damage, remarks, references and several figures and images. A glossary of the used termis is available. The site is easy to navigate and the information is very well organized. It is a highly useful resource not only for those living in British Columbia and is a TIP in this section.

Extension Forest Resources, College of Agricultural and Environmental Sciences, University of Georgia (UGA). Research Interests (selected, in section Faculty): Forest Pest Management, Herbicides, Forest Management. Pathology related information can be found in "Plant Health Care" (Publications on the Web). Further available: Publications, Faculty, links and search.

Faculty of Forest Science Weihenstephan, Ludwig Maximilians University Munich, Freising/Weihenstephan, Germany. In section departments and institutes you will find several research groups. Cuurent projects in the group 'Applied Zoology' includes Temperature as a selecting factor of phytophagous insects on spruce, Pheromones of Diprionids, Cameraria ohridella, Parasitoids of Diprion pini and more. They are mainly interested in: Forest Entomology, Forest Protection, Populationdynamics, Forestecology and Ecophysiology.

Forest Entomology and Control, By P.D. Bell, Sir Sandford Fleming College, School of Natural Resources, Forestry Program. Online course in 14 modules with intorduction. The aim of this course is to identify and illustrate forest insect pests and their damages, determining their current population levels and predicting their future distributions within North America. To investigate and evaluate recent and proposed integrated pest management strategies. As the course 'Forest Pathology' highly useful resource on the web for forest entomology, especially for students.

Forest Entomology Lab, Faculty of Forestry, University of Toronto, Ontario, Canada. Research Topics: Biological Control(e. g. spruce budworm Choristoneura fumiferana), Population Genetics of Trichogramma minutum, Population Ecology (pine shoot beetle), Chemical Ecology, Insect Biodiversity, Ecology of Insectivorous Songbirds. Further available: Graduate students, general entomological links.

Forest Entomology Textbook (Fetch 21) challenge for the 21st Entury. Faculty of Forestry, University of British Columbia (UBC), Canada. This site provides linkages to forest insect homepages that would be of interest to undergraduate and graduate students in forest entomology. The page is divide into the following sections: Seed and Cone Insects, Nursery Insects, Insects affecting regeneration, Insects in young plantations, Defoliators, Bark Beetles, Wood Borers, Insects that affect wooden structures, Quarantine Pests, Forest Insect Surveys in B.C. and some more links.

Forest Health Home Page, Forest Health Protection (FHP), USDA Forest Service. Forest Health: The situation in brief; National Perspective and Conditions (issue papers related to forest health). Links to Forest Health (Status, Activities, Publications, Software and more).

Forest Health Information, Division of Forestry, Ohio Department of Natural Resources, USA. Forest Health Program Website of the Division of Forestry. Select Forest Pest to get information on diseases, insects, qurantine issues (Gypsy Moth, Pine Shoot Beetle), control of Gypsy both by Entomophage, Scarlet Oak Sawfly Outbreak and other plant pathological topics. Further available: Mission statement, Ohio's Forest Resource, Forest Monitoring, Climatological Data, and other resources on a wide range of forest health issues.

Forest Health Program, Oregon Department of Forestry (ODF). Tree damage and mortality surveys, insect and disease information. General Information: Forest Health Update, Swiss needle cast, forest health situation on Oregon's forest lands, article on forest health, Forestry Assistance Program (includes insect and disease program information). Forest Health notes (pine engraver beetle, Ips. Publications from the Forest health Program (in pdf format). Contact addresses.

Forest Health Protection, USDA Forest Service, Northeastern State and Private Forestry, Morgantown, USA. Three Main Sections: (1) Entomology: Documents and Information on Gypsy Moth, Entomophaga maimaiga, Cherry Scallop Shell Moth and various "Forest Insect & Disease Leaflets"; (2) Pathology: Diagnostic Lab, Oilnut Parsisism of firs and more; (3) Forest Health: Monitoring Program Is the Forest Healthy?, Pest Conditions, Biocontrol of the Mile-A-Minute Weed and more. Further available: Staff, Cooperators, Links and Miscellaneous.

Forest Mycology and Pathology, Swedish University of Agricultural Science, Uppsala. Research Areas: Root Rot Diseases, Diseases of seedlings, Ectomycorrhiza, Population Biology, Forest Damage, Cantharellus Research. Further information on: Research, Education, Consultational & diagnostic service, staff and links.

Forest Mycology and Mycorrhiza Research Team, Forestry Sciences Laboratory, Corvallis, Oregon, USA. Research on the biology and ecology of forest fungi in Pacific Northwest forest ecosystems.

Forest Pathology and Control, by P.D. Bell, Sir Sandford Fleming College, School of Natural Resources, Forestry Program. Online course in 14 modules from introduction to diseases. The aim of this cours is to understand the concept of forest disease by identifying the symptoms and causes of infectious and non-infectious diseases; investigate forest decline on a global scale. Very well organized online material with detailed information and high quality pics.

Forest Pathology Web Server, USDA Forest Service, Rocky Mountain Research Station, Flagstaff Lab. The "Mistletoe Center" provides research support for the unit's work on mistletoes. "The Peridium" contains information related to the unit's work on tree rusts (especially Comandra blister rust and white pine blister rust in the Southwest). The Beaver Creek Project.

Forest Pest Management, Maryland Department of Agriculture. Areas of interest includes the gypsy moth control program or forest health surveys. The Maryland Forest Pest Management Report: Exotic Bark Beetle, Forest Caterpillar, & Tent Caterpillar, Elm Yellows, links (includes annual reports of the Department), publications, personnel.

Forest Pests and Diseases (SIREX), Finnish Forest Research Institute, METLA, Helsinki, Finnland. Divide into three main sections: (1)Damaging Agents: This section is divided into fungi, insects, vertebrata and abiotic factors. You will get very detailed information on the selected agent. This information includes: General Information about the agent, life cyycle, damage, diagnosis, management, photos, literature. (2) Needle losses: Guidelines for assessment, defoliation classes, photo gallery. (3) Glossary of Forest Protection. This service is available in english, finnish and swedish. This service is very well organized in all three main parts. Navigation is easy and you will find the information you are looking for. Tip in this section of PPIGB. Do not miss to visit it.

Forest Practices Guidebooks, Ministry of Forests, Province of British Columbia, Canada. In Section "Forest Health" you will find the following Guidebooks: (1) Bark Beetle Management, (2) Dwarf Mistletoe Management, (3) Managment of Terminal Weevils in BC, (4) Pine Stem Rust Management, and (5) Root Disease Managemnet. Each guidebook contains detailed information on the subject. In every guidebook you will find imaages where they are appropriate.

Forest & Shade Tree Pathology, State University of New York, College of Environmental Science and Forestry: Fungi, wood decay, root and foliage diseases, rust, cankers, wilts, diseases caused by bactteria and viruses, mistletoes and other parasitic plants, hazard tress. Root Parasites and Mistletoes: Introduction, the pathogens, folklore, anatomy, physiology, symptoms, damage, epidemiology & ecology, managment. Species: Phoradendron, Arceuthobium.

Host tree chemistry affecting colonization in bark beetles by J.A. Byers, 1995. In: R.T. Cardé and W.J. Bell (eds.). Chemical Ecology of Insects 2. Chapman and Hall, New York, pp. 154-213. This is an Online version of the chapter written by Byers. Byers is located in the Department of Plant Protection at Swedish University of Agricultural Sciences. A chapter with detailed information on the chemical ecology of bark beetles, it contains photos and figures.

Identification of Disease Complexes: Tree Pests and Disease, Department of Forest Ecosystem Science, University of Maine. The introduction covered general aspects of diseases and pests. The diseases are grouped in three complexes: Foliar Diseases, Stem & Root Diseases, Stem Decays. For every disease you get a short description and excellent photos of the disease. This Online material is part of the course INT 256 and provides also some quizes.

Lapland Forest Damage Project: The effect of Kola emissions on the forests of Lapland. A cooperation of seven finnish research institutes and universities. At the bottom of the starting page you will find the table of contents and the contact list. From the content: Foreword and backgound, forest research in finnish lapland, impact of deposition on forest soils, diseases and pests as added stress factors and more. This website provides detailed information on Forest Damage in Lapland. The photos and figures complete the text.

New England Apple Pest Management Guide (1998-1999), editor G.W. Koehler, University of Maine. The document is divided intor three parts: (I) Pest Biology, Monitoring, and Management, (II) Pesticide Safety, Selection, and Application and (III) Growth Regulator, Thinning, Calcium, and Posharvest Treatments. The edition for 1998-1999 is only available in pdf-format, but the 1996-1997 edition is still available in html. Both web sites are covering all topics necessary for apple growers.

Northwest-Wood Destroying Pest Identification Key, by A. Antonelli, G. Thomasson, and T. Whitworth, Washington State University. This key to identify wood destroying pests is based on the wood damage. The key comes with pictures of the damages.

Oakwilt Management Program, Department of Plant Pathology and Microbiology, Texas A&M University. An eight step program written by J. Johnson & D. Appel for reducing losses to the oak wilt fungus. (1) Identify the Problem, (2) Create a Buffer Zone, (3) Sanitation, (4) Pruning, (5) Protecting Pruning Cuts or Wounds, (6) Firewood, (7) Tree Injection With Systemic Fungicide, and (8) Replanting. The single steps are accompanied by pictures (e. g. symptoms).

Pitch Canker Task Force, maintained by the California Department of Forestry and Fire Protection's Fire and Resource Assessment Program (FRAP), USA. Available: identification (a set of images), prevention & management, news, who to call, pitch canker legislation, research & reports, pitch canker task force information, events, links, and risk mortality map. Here you will find detailed information on the disease caused by Fusarium subglutinans. Documents with information on biology, symptoms, distribution or control, members of the task force, projects and research in this area.

Publication Digest of the Canadian Forest Service. Go to the table of contents. here you will also find available publications on Insects & Diseases, Forest Ecology, Integrated Forest Management and more. Ordering Information.

Southern Pine Beetle Information Directory, several contributors, server site located at Department of Entomology, Virgina Tech University. Information about Dendroctonus frontalis. Available services: Questions and Answers (Diagnosis, what can I do, learn more about SPB, pheromones...), statewide resources, forest servics, links.

Systematics Solves Problems in Agriculture and Forestry, written by A.Y. Rossman & D.R. Miller, USDA-Agriculture Research Service, Systematic Botany and Mycology Laboratory, Systematic Entomology Laboratory, Beltsville, USA. Topics covered by this document (selected): Understanding of Pest Organisms, discovering and developing biological agents to control agricultural pests and pathogens, pests and pathogens that destroy forests and more. Get detailed information on different topics and the relation to systematics. Most chapters are accompanied by photos. Content: Abstract, introduction, agricluture, forestry, conclusions, and literature cited.

The Tree Doctor, maintained by J. Cortese and M. Shaw, published by Tree Injection Co., Knoxville, USA. Available Information: Mauget micro-injection of fertilizers, fungicides or insecticides; Tree Topping; Biostimulants to enhance root development and growth; Directory of professional arborists; Mycorrhizal Fungi (MycorTree products); Links; fertilizers and bookstore.

Tree Fruit Research & Education Center, the University Experiment Farm at Kearneysville, University of West Virginia. Information for Major Tree Fruit Diseases: Information for apple, pear, peach & nectarine, cherry and plum. You get disease photos, biology and monitoring for many diseases. Bitter Rot Slide show (first you have do download the necessary plugin). Index of photos for major tree fruit diseases and athropod pests. Further available information: Entomology, Plant Pathology, Labor Relations, Publications, Links. This center provides two services, which are of major interest:
Diagnostic Key to Major Tree Fruit Diseases. Diagnostic Keys for Identification of Diseases in the Northeastern United States. The diagnostic keys for deciduous tree fruit diseases were developed to aid field personnel in the identification of diseases that are common to the mid-Atlantic region of the United States. You can decide wether to go through the identification key to diagnose a causal organism or you can skip the key and go directly to the photographic index.
Diagnostic Key to Major Insect Pests. These services are highly useful for tree pathologists, the services, the way in which the information is provided and the excellent photos make them a tip for this section!

Tree Fruit Research and Extension Center (WSU-TFREC), Washington State University. Available Information is divided into the following Sections: General, Entomology, Plant Pathology, Managemnet, Tree Fruit Horticulture, Postharverst. In General you will find the research programs, staff, links events and more. Entomology deals with insect pest development models, IPM, pest managemnet. Pathology is focused on preharvest diseases or epidemiology. In Horticulture you will find for example orchard mangement, growth regulators or apple brreding. The information is divided into research summaries, where you get details on a single project. All other are research programs which lead to a wide range of other documents.

Tree IPM Pest web page, Department of Plant Pathology, Extension, Cornell University, Ithaca, USA. This site is foccused on conifer insects, mites and diseases tailored to christmas tree growers. Select a pest from the list to get detailed information.

Tree Pathology Cooperative Programme (TPCP), Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria (UP), Pretoria, South Africa. Primary Research Projects: More than 20 projects, Insect related pathogens of hardwoods and conifers, Diseases of Eucalyptus, Biological Control of soil-borne diseases, Molecular characterization of pathogens, Breeding for root disease tolerant eucalypts, Pitch canker, population dynamics, root rot diseases, monoterpenes in disease resistance and others. Besides the primary research project you will find information on postdoctoral fellows and sabbatical visitors. Further available: Introduction to services, staff, publications, news, contact. The "Diagnostic Aid" will give you detailed information with images about several diseases including introduction, host range, symptoms, occurrence, biology and mangement. Interesting articles are published in their on-line newsletter. You also not miss the link to the Forest Molecular Biology Co-operative programme (FMBC) which is listed in the Molecular Biology section of PPIGB.

Trees & Shrubs, part of Gardenline Online, Department of Horticulture, University of Saskatchewan, Canada. A list of documents on growing and management of trees and shrubs. You will also find pathology related articles. Detailed information on Dutch Elm Disease (a series of documents). Other topics (selected): Birch dieback, tree problem diagnosis, fireblight. Links to the other parts of Gardenline Online.

The UMass Tree Fruit Advisor, UMass Extension, University of Massachusetts, USA. The UMass Tree Fruit Advisor contains timely information and resources on managing tree fruit, primarily apples. The site is focused on commercial apple growers in Massachusetts. It includes information on other deciduous tree fruits including peaches, pears, plums and cherries. It includes links to "The New England Apple Pest Management Guide", "The New England Peach, Pear and Plum Pest Management Guide", the quarterly extension research publication "Fruit Notes", "The Annual March Message to Massachusetts Apple Growers" (an entomologically oriented IPM publication), and to other sites dealing with apple management, particularly those in New England. The site also lists personnel at the University of Massachusetts who work on tree fruit.

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Gypsy Moth Pages:

Gypsy Moth in North America, USDA Forest Service Northeastern Forest Experiment Station, Forestry Sciences Laboratory. Available information: introduction, forest effects, management, research and other related web sites. You will find brief information on distribution, spread or populations of Gypsy Moth.

Gypsy Moth Server at Virginia Tech, Department of Entomology, Blacksburg, USA. This service comes with three main sections on Gyps Moth information: (1) Biology, Control, and Identification, (2) Gypsy Moth IPM Projects (Slow the Spread, Asian Gypsy Moth in North Carolina, Appalachian Gypsy Moth IPM Project)and (3) Gypsy Moth Research (Gypsy Moth Life-System Model, Mating Success of Gypsy Moth, Population Boundary Estimation). The 'Biology' is divided into information for everyone, homeowners, extension agents & experts, tools for managers (e.g. The Swath Kit) and geographic distribution. It covers topics like Identification, Life-History, Damage, and Approaches to Controlling the Gypsy Moth. There is a Gypsy Moth slide set available with many photos. The 'Project' and 'Research' Section come with detailed information concerning specific topics. Further available are links to other sites, a directory of people working with Gypsy Moth. Site is searchable. The Virgina Tech site is the first starting point for information about Gypsy Moth and should not be missed by everyone interested in this insect because. Highly recommended!

Indian Gypsy Moth Education Home Page, Extension Service, Department of Entomology, Purude University, West Lafayette, USA. This web site provides detailed information around like do I have Gypsy Moth caterpillars in my Yard. Then you will find information on the biology, the impact, control, regulatory status, history of Gypsy Moth in Indiana, how to keep trees healthy (in Gypsy Moth an the homeowner), managment in the forest and natural enemies. You can order the Gypsy Moth Bulletin and in the FAQ section you will find answers of questions you might also have. There is also a list of tree species at risk of Gypsy Moth defoliation (e g. in impact of...).

Michigan's Gypsy Moth education Programm, Michigan Staet University Extension. Detailed information on Gypsy Moth with a special focus on Michigan as an important pest in forests. You will get information from history to natural enemies. Available are: history, biology, control & management, natural enemies, Gypsy Moth in the forest, Gypsy Moth in the classroom, links to related sites and more. This site provides a lot of useful information like a calendar of Gypsy Moth acitivities (in biology). The site is searchable, you can order the published materials and the Bulletins. A glossary of used terms completes this well designed web site.

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