Information NameAddressCityStateCountryPostal Code
01 Plant Disease Information from PlantsGalore.Com   USA 
Abiotic Diseases of Woody PlantsNorth Carolina State UniversityRaleighNCUSA 
Anthracnose & Other Fungal Leaf Spot Diseases of MapleUniversity of MinnesotaMinneapolisMNUSA 
Anthracnose Leaf Spot of Shade TreesUniversity of MinnesotaMinneapolisMNUSA 
Anthracnose on OakUniversity of MinnesotaMinneapolisMNUSA 
Apple ScabUniversity of MinnesotaMinneapolisMNUSA 
Apple Scab Resistant CultivarsUniversity of VermontBurlingtonVTUSA 
Apple Sooty Blotch & FlyspeckUniversity of MinnesotaMinneapolisMNUSA 
Armillaria Root RotUniversity of MinnesotaMinneapolisMNUSA 
AzaleasAuburn UniversityAuburnALUSA 
Azaleas & Rhododendrons - Problems - Root RotUniversity of MinnesotaMinneapolisMNUSA 
Bacterial Blight of LilacUniversity of MinnesotaMinneapolisMNUSA 
Biglerville Fruit Research & Extension CenterPenn State UniversityBiglervillePAUSA 
Biocontrol of Plant Diseases LaboratoryUSDAWashingtonDCUSA 
Black KnotUniversity of MinnesotaMinneapolisMNUSA 
Black Spot FactsheetKansas State UniversityManhattanKSUSA 
Black Spot of RosesOhio State UniversityColumbusOHUSA 
Black Spot PreventionAuburn UniversityAuburnALUSA 
Canker Diseases on PinesUniversity of MinnesotaMinneapolisMNUSA 
Canker Diseases on TreesUniversity of MinnesotaMinneapolisMNUSA 
Cedar-Apple RustUniversity of MinnesotaMinneapolisMNUSA 
Clematis Stem RotUniversity of MinnesotaMinneapolisMNUSA 
Common Names of Plant Diseases   USA 
Crown Rot of HostaIowa State UniversityAmesIAUSA 
Cytospora Canker of SpruceUniversity of MinnesotaMinneapolisMNUSA 
Daylily DiseasesUniversity of MinnesotaMinneapolisMNUSA 
Diplodia Blight of PinesUniversity of MinnesotaMinneapolisMNUSA 
Disease Management Guide for Organic Apple Production in OhioWest Virginia UniversityMorgantownWVUSA 
Diseases of Trees & ShrubsUniversity of MinnesotaMinneapolisMNUSA 
Dogwood Research GroupUniversity of TennesseeKnoxvilleTNUSA 
Dothistroma Needle BlightUniversity of MinnesotaMinneapolisMNUSA 
Dutch Elm Disease History in MinnesotaUniversity of MinnesotaMinneapolisMNUSA 
Early Iron Def on RhododendronMichigan State UniversityEast LansingMIUSA 
Fire Blight - Tree FruitUniversity of MinnesotaMinneapolisMNUSA 
Fire Blight - Tree FruitColorado State UniversityFort CollinsCOUSA 
Forest Health Protection - Southern Region   USA 
Fruit PathologyPenn State UniversityUniversity ParkPAUSA 
Fruit Pathology SitePenn State UniversityUniversity ParkPAUSA 
Fruit Pests & DiseasesPenn State UniversityUniversity ParkPAUSA 
Fruit Production Small-scalePenn State UniversityUniversity ParkPAUSA 
Fungicide SpraysOhio State UniversityColumbusOHUSA 
Gladiolus DiseasesUniversity of MinnesotaMinneapolisMNUSA 
Grape DiseasesMichigan State UniversityEast LansingMIUSA 
Ground Cover DiseasesOhio State UniversityColumbusOHUSA 
Hosta Disease Identification   USA 
Images - Pests & Diseases - National Agriculture Library   USA 
Injury to Tree and Small Fruit PlantsOhio State UniversityColumbusOHUSA 
Iron ChlorosisOhio State UniversityColumbusOHUSA 
Laboratoire de Pathologie VégétaleInstitut Nat Agron Paris-Grignon  France 
Leaf Disease on Ornamental Trees & ShrubsOhio State UniversityColumbusOHUSA 
National Pest Management Association - Homeowner Forum   USA 
New Jersey Plant & Pest Advisory Newsletters  NJUSA 
Oak Wilt - IdentifyingUniversity of MinnesotaMinneapolisMNUSA 
Oak Wilt - PreventingUniversity of MinnesotaMinneapolisMNUSA 
Pacific Northwest Plant Disease HandbookOregon State UniversityCorvallisORUSA 
Pecan ProblemsTexas A&M UniversityCollege StationTXUSA 
Pennsylvania Tree Fruit Production GuidePenn State UniversityCollege StationPAUSA 
Peony DiseasesUniversity of MinnesotaMinneapolisMNUSA 
Pest Management ProjectUniversity of California DavisDavisCAUSA 
Physiological Disorders of ApplesUSDAWenatcheeWAUSA 
Physiological Disorders of PearsUSDAWenatcheeWAUSA 
Plant Answers for the Southern USTexas A&M UniversityCollege StationTXUSA 
Plant Disease   USA 
Plant Disease ControlOregon State UniversityCorvallisORUSA 
Plant Disease Control FactsheetsPenn State UniversityCollege StationPAUSA 
Plant Disease Diagnostic ClinicCornell UniversityIthacaNYUSA14853-2801
Plant Disease DiagnosticsUniversity of MinnesotaMinneapolisMNUSA 
Plant Disease FactsPenn State UniversityCollege StationPAUSA 
Plant Disease HandbookTexas A&M UniversityCollege StationTXUSA 
Plant Disease ReporterUniversity of IdahoMoscowIDUSA 
Plant Diseases & Plant ProtectionUniversity of HannoverHannover Germany 
Plant Diseases Announcements   USA 
Plant Health Progress St. PaulMNUSA 
Plant PathologyOhio State UniversityColumbusOHUSA 
Plant Pathology Internet Guidebook   International 
Plant VirologyTulane UniversityNew OrleansLAUSA 
Plant Viruses OnlineUniversity of IdahoMoscowIDUSA 
Powdery Mildew on Ornamental PlantsOhio State UniversityColumbusOHUSA 
Purdue Pest & Crop NewsletterPurdue UniversityWest LafayetteINUSA 
Raspberry Diseases in MichiganMichigan State UniversityEast LansingMIUSA 
Rhododendron - Problems  CTUSA 
Rhododendron - ProblemsWashington State UniversityPullmanWAUSA 
Rhododendron - Problems - Leaf Curling in ColdVirginia Polytechnic Institute & State UniversityBlacksburgVAUSA 
Rhododendron - Problems - Leaves Cup & CurlVirginia Polytechnic Institute & State UniversityBlacksburgVAUSA 
Rhododendron - Problems - Whitney Farms - Managing Pests   USA 
Rose DiseasesUniversity of MinnesotaMinneapolisMNUSA 
Rose DiseasesOhio State UniversityColumbusOHUSA 
Rose MosaicMississippi State UniversityStarkvilleMSUSA 
Rose Virus DiseasesKansas State UniversityManhattanKSUSA 
Shade Tree DeclineUniversity of MinnesotaMinneapolisMNUSA 
Strawberry DiseasesMichigan State UniversityEast LansingMIUSA 
Tomato Pest & DiseasesTexas A&M UniversityCollege StationTXUSA 
Tomato PestsUniversity of California DavisDavisCAUSA 
Verticillium Wilt of Landscape Trees & ShrubsOhio State UniversityColumbusOHUSA 
Verticillium Wilt of Trees & ShrubsUniversity of MinnesotaMinneapolisMNUSA 
White Pine Blister RustUniversity of MinnesotaMinneapolisMNUSA 

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