Late blight on tomato foliage

Late blight on tomato foliage

Late blight lesion on tomato stem

Late blight lesion on tomato stem

Late blight on potato tuber

Late blight on potato tuber

Late Blight Update

UPDATE--August 17, 2018

Late Blight confirmed in Tioga County!  It is a new strain not previously reported.

Now is the time to spray if you live in Tioga County.



Late Blight is a serious disease of tomatoes and potatoes.  Check here weekly for an update on the disease--the more you know, the more you can take steps to keep this deadly disease in check.

To learn more about late blight disease, click here

To manage late blight, check out this factsheet:  Click here

To find late blight resistant tomato varieties,  click here

To find where late blight is in the United States, check out  usablight.org and scroll down for the occurrence map.

Check out this discussion of how to manage late blight:  click here

There are a lot of late blight "look alikes" -- here is how to figure out what you have:  http://www.longislandhort.cornell.edu/vegpath/photos/diagnose.htm

Late Blight FAQs  click here

Contact

Barb Neal
Association Community Educator - Horticulture
ban1@cornell.edu
607-687-4020 ext 319

Last updated August 17, 2018