VegetableMD Icon

Vegetable MD Letterhead

Diseases By Crop
(Fact Sheets)
Search Function
Photo Gallery
News Articles/ Disease Alerts
Diagnostic Keys
Virus Weed Hosts/ Rotation Lists
Resistant Varieties
Glossary of Plant Pathology Terms
Vegetable Guidelines
Vegetable IPM Links
Other Vegetable Links
Cornell Plant Disease Clinic
Home

 

 

Vegetable Disease Factsheets
Asparagus| Beans | Beets| Broccoli | Brusselss Sprouts |Cabbage | Carrot | Cauliflower |Celery | Cucumber | Eggplant |Lettuce | Melon | Onion| Peas |Pepper | Potato| Pumpkin |Spinach | Squash |Sweet Corn |Tomato | Watermelon |
Asparagus

Asparagus Information Bulletin (1985)

Beans

Bean Anthracnose (1988)

Bacterial Blights of Beans (1979)

Bacterial Diseases of Beans (1991)

Fusarium Dry Root Rot of Beans (1979)

Virus Diseases of Snap & Dry Beans (1984)

White Mold of Beans in New York (1979)

Also see the news article Phytophthora  Blight  Affects  Snap  Bean  On  Long Island, NY (June 2009)

Also see the news article Snap bean —A New Host for Phytophthora Blight to Further Challenge Management (June 2004)

Beets

Root Rot of Table Beets in New York State (1986)

The Sugar-Beet Cyst Nematode (1979)

Carrots

Carrot Leaf Blight: Current Management Options and Fungicide Update (June 2005)

Carrot Leaf Blight (PDF) (2005)

Carrot Leaf Blight (1988)

The Northern Root-Knot Nematode on Carrot, Lettuce, and Onion in New York (1999)

Sweet Corn

Common Rust of Sweet Corn (1987)

Smut of Sweet Corn (1979)

Stewart's Disease of Corn (1979)

News Article Stewart’s Bacterial Wilt — Still a Problem After 107 Years (March, 2002)

Virus Diseases of Sweet Corn (1984)

Virus Problems of Sweet Corn (2001)

News Article A Checklist of Sweet Corn Diseases and Suggested Control Measures (March, 2002)

Crucifers (Broccoli, Brusselss Sprouts,Cabbage, Cauliflower)

Black Rot of Crucifers (1994)

Clubroot of Crucifers (1985)

Fusarium Yellows of Cabbage & Related Crops (1979)

Nonpathogenic Disorders of Cabbage (1991)

Sclerotinia Rot of Cabbage (1987)

Virus Diseases of Crucifers (1984)

Cucurbits (Cucumber, Melon, Pumpkin, Squash, Watermelon)

See our "SPINNING SQUASH" Page!! See a 3 dimensional view of edema on winter squash (December 7, 2005)

Anthracnose of Cucurbits (1987)

Assorted Foliar Diseases of Cucurbits (1992)

Bacterial Wilt of Cucurbits; "Signature Symptoms"

Cucumber Beetles, Corn Rootworms, & Bacterial Wilt in Cucurbits (1994)

Fruit Rots of Squash and Pumpkin (1992)

Fusarium Diseases of Cucurbits (1997)

Gummy Stem Blight of Cucurbits (1992)

Life Cycle of Bacterial Wilt Caused by Erwinia tracheiphila

Phytophthora Blight of Cucurbits (2001)

Phytophthora Blight of Pepper and Other Vegetables (1989)

Powdery Mildew of Cucurbits (1997)

Scab of Cucurbits (1986)

Septoria Leaf and Fruit Spot of Cucurbits (1992)

Virus Diseases of Cucurbits (1984)

Cucurbit News Articles

Cucurbit Fungicides (Labeled & Rates/A) as of December 2007

Update on Managing Downy Mildew in Cucurbits (July 2006)

Guidelines  for  Managing  Cucurbit  Powdery Mildew  in  2006 (June 2006)

Registration of Procure in NY Provides Growers with Valuable Tool to Manage Cucurbit Powdery Mildew(June 2006)

Section 18 Specific Exemption Approved for Quintec to Manage Cucurbit Powdery Mildew in NY in 2006 (June 2006)

New Developments  in  Managing  Phytophthora  Blight  in  Cucurbit  Crops (May 2006)

Identifying Initial Downy Mildew Symptoms in Cucurbits Is Critical for Successful Management ( March 2006)

Plectosporium Blight: A New Disease of Cucurbit Crops to Prepare For (Updated June 2005)

Gavel 2(ee) Approval Means New York Growers Have Another Fungicide for Managing Phytophthora Blight in Most Cucurbit Crops (June 2004)

 

Also see the news article Protectant Fungicides For Managing PowderyMildew in  Cucurbits:  How  Do  They Stack  Up? (May 2004)

Attractiveness to Cucumber Beetles and Susceptibility to Bacterial Wilt Varies Among Cucurbit Crop Types and Varieties (April 2004)

News Article: Insect and Pumpkins Don't Mix —The Insect Link to Pumpkin Disease (March, 2004)

News Article: Spray Recommendations and Cultural Practices for Disease Control in Cucurbits (March 2004)

Plectosporium Blight: A New Destructive Disease of Pumpkins and Summer Squash in New England (April 2004)

Eggplant

Phytophthora Blight of Pepper and Other Vegetables (1989)

Eggplant Fungicides (Labeled & Rates/A) as of December 2007

Leafy Vegetables (Lettuce, Endive, Spinach, and Celery)

Virus Diseases of Leafy Vegetables and Celery (1984)

The Northern Root-Knot Nematode on Carrot, Lettuce, and Onion in New York (1999)

Onions

Botrytis Leaf Blight (1983)

Downy Mildew (1984)

The Northern Root-Knot Nematode on Carrot, Lettuce, and Onion in New York (1999)

Iris Yellow Spot Virus on Onions - Do New York Growers Need to Be Concerned?

Iris Yellow Spot of Virus-Poster

Onion Fungicides (Labeled & Rates/A) as of December 2007

Pea

Virus Diseases of Pea (1984)

Pepper

Bacterial Spot of Pepper (1985)

Phytophthora Blight of Pepper and OtherVegetables (1989)

Virus Diseases of Pepper (1984)

News Article: Pepper Disease Control -It Starts with the Seed (April 2004)

News Article: Snap Bean —A New Host for Phytophthora Blight to Further Challenge Management (June 2004)

"Pest and Disease Identification and Control for Chiles and Peppers (PDF document in ESPANOL) :Plagas Y Enfermedades de Chiles y Pimientos Guia de Identificacion Y Manejo (March 2004)
Thank you to Meister Media Worldwide (www.hortalizas.com) for the use of this document

Pepper Fungicides (Labeled & Rates/A) as of December 2007

Potatoes
"SPINNING SPUDS" PAGE!! See 3 dimensional views of Black Dot, Black Scurf and Silver Scurf (July 3, 2003)

Black Dot Disease of Potatoes (1989)

Fusarium Dry Rot of Potato (1993)

Late Blight of Potatoes and Tomatoes (1998)

News Article Late Blight Control:What are the Options? June 2000

News Article Late Blight Control: An Update (July 2000)

Potato Scab (1991)

Rhizoctonia Disease of Potato (1993)

Silver Scurf of Potato (1991)

Virus and Viroid Diseases of Potato (1984)

Pink Eye (or Brown Eye) (1978)

Potato Early Blight (1984)

Potato Late Blight (1983)

Detection of Potato Tuber Diseases & Defects (1986)

News Article:Virus Problems of Potatoes (April, 2005)

Potato Fungicides (Labeled & Rates/A) as of December 2007

News Article:Foliar Potato Fungicides for Disease Control in 2004

News Article:Late Blight Concerns for Potatoes In 2003 (August 2003)

News Article:Potato Seed Piece and In-Furrow Treatments for 2004 (March 2004)

News Article Lessons Learned from a Stressful 2001 Potato Season (Issued 5-15-02)

News article Potato Disease Management (issued 4-20-01)

News article Update on Pink Rot and Pythium Leak Control for Potatoes (June 2002)

News Article: Effects of Crop Rotation, Potato Seed Piece Treatments, and Foliar Fungicide Sprays – They All Contributed to the Final Story in 2002 (April 21, 2003)

News Article:Potato Seed Piece and In-Furrow Treatments – More Choices in 2003 and in the Future (March 2003)

Tomatoes

Tomato Anthracnose (1987)

Bacterial Diseases of Tomato (1985)

Blossom End Rot of Tomato (1979)

Botrytis Gray Mold of Greenhouse & Field Tomato (1986)

"Pest and Disease Identification and Control for Tomatoes". Plagas Y Enfermedades del tomate Guia de Identificacion y Manejo.(PDF document in ESPANOL)March 2006 Thank you to Meister Media Worldwide (www.hortalizas.com) for the use of this document.

Common Tomato Fruit Disorders(May 2004)

Tomato (Potato) Early Blight (1984)

News Article:Managing  Bacterial  Diseases  of  Tomato  in  the  Field (May 2006)

News Article:Deployment Considerations for Late Blight and Early Blight Resistances in Tomatoes (2004)

News Article:Late Blight Concerns for Potatoes in 2003 (August 2003)

Late Blight of Potatoes and Tomatoes (1998)

Also see our "SPINNING TOMATOES" Page!! See a 3 dimensional view of late blight on tomatoes.(Oct. 2003)

Phytophthora Blight of Pepper and Other Vegetables (1989)

Septoria Leaf Spot of Tomato (1987)

Tomato Spotted Wilt Virus (1989)

Verticillium Wilt of Tomato (1980)

Virus Diseases and Disorders of Tomato (1984)

Tomato Fungicides (Labeled & Rates/A) as of December 2007

News Article :The Long List of Diseases Affecting Tomatoes and Peppers in a Wet Growing Season (May, 2001)

TOP OF PAGE

Cornell University Plant Pathology Department

Disclaimer: Please read the pesticide label prior to use. The information contained at this web site is not a substitute for a pesticide label. Trade names used herein are for convenience only. No endorsement of products is intended, nor is criticism of unnamed products implied.