Disease Problems

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• General Information
• SpecificDiseases (in alphebetical order)

General Information:

• Agdia - Plant Pathogen Test Service
• Purdue Extension Publications: Ornamental Diseases
• Disease Control of Landscape Plants - Purdue - 1994
• The Virtual Plant & Pest Diagnostic Laboratory - Purdue - 1998
• Plant Disease Profiles - Cornell
• The Virtual Plant & Pest Diagnostic Laboratory - Purdue - 1998
• Disease Management Recommendations for Trees and Shrubs - U. MN - 1995
• Disease Management in Shrubs and Vines - U. MO
• Disease Management in Trees - U. MO
• Plant Disease Fact Sheets - PA St.
• Scheduling Woody Ornamental Disease Management Practices - PA St.
• Plant Disease Series Index - OH St.- 1998
• Disease Control in the Landscape, OH St.- 1998
• Diseases of Trees, Shrubs and Ground Covers - OH St.
• Diseases of Ground Cover Plants - OH St. - 1996
• Pest Control Recommendations for Commercial Nursery Professionals - Rutgers - 1998
• Insect and Disease Control Recommendations for Shade Trees and Woody Ornamentals - Rutgers - 1998
• Flower and Ground Cover Disease Control - U. KY - 1996
• Woody Plant Disease Control Guide - U. KY - 1996
• Woody Plant DWoody Ornamentals Pest Management - U. WI - 1997
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• Disease Control Database and Pictures - OR St. U.
• Images of Insects, Diseases and Problems on Landscape Plants - OH St.
• Pictures of Common Problems - MI St.
• Using Fungicide Sprays Effectively - OH St. - 1996
• Pesticide Labels and MSDS's - C&P Press Bluebook

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Specific Diseases: (in alphabetical order)

• Dogwood Anthracnose - Purdue - 1995
• Dogwood Anthracnose - How to Identify and Control - USDA FS
• Dogwood Anthracnose Research Update - U. CT - 1998
• The Dogwood Decline - U. CT
• What's Happening to the Dogwood - U. TN
• Anthracnose of Shade Trees - Purdue - 1995
• Anthracnose Diseases of Shade Trees - U. NE - 1997
• Anthracnose Leaf Blight of Shade Trees - OH St. - 1996
• Ash Anthracnose - IA St. - 1997
• Black Knot - IA St. - 1997
• Black Spot of Roses - OH St. - 1996
• Bacterial Blight on Woody Ornamentals - U. CT - 1998
• Pachysandra Leaf and Stem Blight - U. CT
• Poplar--Leaf and Shoot Blight - IA St. - 1997
• Leaf Blight of Hawthorn - OH St. - 1996
• Colorado Blue Spruce and Other Conifers Disorder: Rhizosphaera Needle Blight - U. WI - 1997
• Honeylocust Disorder: Canker Diseases in Wisconsin - U. WI - 1995
• Cytospora Canker of Spruce - Purdue - 1993
• Cytospora Canker of Spruce - OH St. - 1996
• Colorado Blue Spruce and Other Conifers Disorders: Cytospora Canker - U. WI - 1997
• Maple Decline: Collar Rot and Basal Canker Complex - U. WI - 1997
• Bacterial Crown Gall on Ornamentals in the Landscape - OH St. - 1996
• Crown Rot of Hosta - IA. St. - 1997
• Pine--Diplodia Tip Blight - IA St. - 1997
• Diplodia Tip Blight of Pines - Purdue - 1993
• Diplodia Tip Blight of Austrian, Red and Scotch Pine - OH. St. - 1996
• Pine Disorder: Dothistroma Needle Blight - U. WI - 1997
• Downy spot - Hickory - IA St. - 1997
• Dutch Elm Disease - Purdue - 1996
• Dutch Elm Disease - KS. St.
• Dutch Elm Disease - U. WI - 1997
• Fire Blight - Purdue - 1996
• Fire Blight of Apples, Crabapples and Pears - OH St. - 1994
• Fire Blight of Apple, Pear and Woody Ornamentals - U. NE - 1992
• Mountain Ash Disorder: Fire Blight - U. WI - 1995
• Common Foliage Diseases of Shade Trees in Wisconsin - U. WI - 1997
• Juniper Tip Blights - Purdue - 1991
• Juniper Blight Diseases - U. NE - 1987
• Phomopsis and Kabatina Tip Blights of Junipers - OH St. - 1996
• Lilac Disorder: Bacterial Blight - U. WI - 1996
• Leaf Spot Disease of Trees and Shrubs - U. CT
• Leaf Diseases on Ornamental Trees and Shrubs - OH St. - 1996
• Needle Diseases on 2-Needled Conifers in Ohio - OH St. - 1996
• Swiss Needle Cast - IA St. - 1995
• Lophodermium Needlecast of Pine - Purdue - 1996
• Pine Needle Diseases--Brown Spot and Lophodermium Needlecast - U. WI - 1997
• Rhizosphaera Needlecast on Spruce - OH St. - 1996
• Oak Wilt - Purdue - 1994
• Oak Wilt in Minnesota - U. MN - 1989
• Oak Wilt Management - U. WI - 1994
• Oak Leaf Blister - IA St. - 1997
• Phytophthora Dieback of Rhododendron - U. CT
• Phytophthora Dieback and Root Rot - U. CT
• Apple Powdery Mildew - OH St. - 1994
• Powdery Mildew on Ornamentals - Purdue - 1994
• Powdery Mildews on Ornamental Plants - OH St. - 1996
• Powdery Mildew of Landscape Ornamentals - U. NE - 1997
• Powdery Mildew on Ornamentals - U. CT
• Powdery Mildew of Roses - U. NE - 1990
• Root Problems on Plants in the Garden and Landscape - OH St. - 1996
• Phytophthora Dieback and Root Rot - U. CT
• Oak and Numerous Other Species Disorder: Armillaria Root Rot - U. WI - 1990
• Rose Mosaic and Rose Rosette Diseases - U. NE - 1990
• Rose Diseases - Purdue - 1994
• Rose Diseases - U. MN - 1997
• Controlling Rose Diseases - OH St. - 1996
• Cedar Apple and Related Rusts - Purdue - 1992
• Cedar Rust Diseases of Ornamental Plants - OH St. - 1996
• Hawthorn Rust - IA St. - 1997
• Needle Rust of Pine - IA St. - 1997
• Scab of Flowering Crabapples - Purdue - 1994
• Scab of Apple and Crabapple - OH. St. - 1994
• Crabapples Resistant to Apple Scab and Japanese Beetle in Indiana - Purdue - 1997
• Crabapple Disorder: Scab - U. WI - 1997
• Apple Scab - Purdue - 1993
• Mountain Ash Disorder: Scab - U. WI - 1997
• Slime Flux or Wetwood of Trees - Purdue 1993
• Sooty Molds on Trees and Shrubs - OH St. - 1996
• Sooty Mold - U. WI - 1995
• Sphaeropsis Tip Blight of Pines - U. NE - 1994
• Conifers Disorders: Sphaeropsis Shoot Blight and Canker - U. WI - 1996
• Verticillium Wilt of Shade Trees - Purdue - 1995
• Verticillium Wilt of Trees and Shrubs - U. MN - 1994
• Verticillium Wilt of Woody Plants - IA St. - 1998
• Verticillium Wilt of Landscape Trees and Shrubs - OH St. - 1996
• Maple and Other Trees and Shrubs Disorder: Verticillium Wilt - U. WI - 1997
• Rhododendron Wilt - U. CT - 1998
• Witches'- Broom - MI St.
• Wild Mushrooms - OH St.
• How to Care for Tree Wounds - OH St. - 1996
• Maintaining Healthy Rhododendrons and Azaleas in the Landscape - OH St. - 1996

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