Tomato late blight

Photo galleries:

• Late blight on tomatoes
• Late blight ‘imitators’

More late blight information:

• Tomato late blight research at LIHREC
• Late blight on potatoes
• First date late blight observed on Long Island, NY
• Late blight occurrences in the Northeast, 2017 – 2022
• Late Blight Occurrence – USA map showing where late blight has been confirmed this year plus more information on the pathogen, disease and its management.
• Late blight ‘imitators’ – How to distinguish late blight from other diseases and disorders with similar symptoms.
• Late blight FAQ
• Late Blight: Corrections of Misinformation
• Fungicide info for home gardeners
• Vegetable MD website
• Horticulture Section blog
• Late Blight Webinars for Gardeners: Rutgers | eOrganic
• Late Blight Forecast Model – Daily maps indicating how favorable conditions are for late blight if the pathogen is present, which is not part of the forecast.
• Phytophthora test kits – If you use these, don’t forget to notify your local Extension office of positive results.

New for 2015:

• Late Blight Management in Tomato with Resistant Varieties
• Video: Identifying and Scouting for Late Blight on Farms
• Video: Distinguishing Late Blight from Other Tomato and Potato Diseases
• Video: What To Do if You Find Late Blight in Your Garden   

2014 updates:

• Webinar on Recent Occurrences and Management Experiences (organic focus)
• Evaluation of Late Blight Resistant Tomatoes

2013 updates:

• Late Blight: Recent Occurrences, Challenges, and Future Outlook (2013)
• Steps For Managing Late Blight In Organically Produced Tomato And Potato
• Evaluation of Late Blight Resistant Tomatoes

2012 updates:

Late blight brochures for gardeners:

• For Long Island
• For the rest of New York
• For other states
• Avoiding Late Blight Outbreaks: Role of Producers and Marketers of Garden Tomato Plants

2011 updates:

• Late blight on Long Island
• Resistant tomato varieties
• Managing Late Blight in Tomato and Potato – An Essential Part of Gardening
• Late Blight: Recent Occurrences, Management Challenges, and Future Outlook (2011)
• National late blight program – Track and report late blight
• Playing ‘Russian Roulette’ in your garden with potatoes
• 2010 tomato disease-resistance evaluations

2010 updates:

• Avoid the late blight blues
• Late Blight Forecast Model
• Late Blight Reports