On damp days over 60 degrees Fahrenheit, the tomato late-blight zoospore germinates on a leaf or stem of a potato or tomato, and tiny, one-cell-wide filaments grow through the cells of the plant.

Tomato Gardeners, Plant On! Late Blight Is Gone The fungus that killed tomato plants on the Northeast last year probably died during the winter, says Mike McGrath, the host of the weekly public ...

Late blight is a fungal disease that is affecting tomato plants this summer. The New York Times reports it’s been wiping out tomato crops in the Northeast, and in the Hudson Valley region of New ...

Fungal spores from late blight are spread by winds and can wipe out tomato and potato plans within 7-10 days. Those with tomato and potato plants are asked to check on them.

If you suspect that you planted your tomato plants too close together, Weiss says that the first and foremost damaging sign is what’s called tomato blight, a disease that can completely obliterate the ...

Septoria Leaf Spot and early blight can cause black spots on tomato plant leaves. Learn the cause of these fungal diseases, how to treat them, and how to prevent black spots on tomato leaves.

My tomato plants, I now know, were infected with early blight. Like late blight, early blight (also called Alternaria leaf spot) is a fungal disease spread by spores.

Tomatoes are a favorite among gardeners due to their versatility and delicious taste. However, growing tomatoes can sometimes be challenging, especially when dealing with diseases that can damage or ...

Tomatoes are prone to splitting, especially in wet climates or after rain that follows a dry spell. Don't worry, though, ...

Tomato fruits are also affected. Late blight is spread between plantings by wind and rain, and cool humid days are ideal for late blight infections to grow and spread.

Large, expanding brown lesions with whitish gray spores are caused by Phytophthora infestans or late blight on tomato leaves. Photo by Meg McGrath/Cornell University. With our recent rainy weather and ...

Large, expanding brown lesions with whitish gray spores are caused by Phytophthora infestans or late blight on tomato leaves. Photo by Meg McGrath/Cornell University. With our recent rainy weather and ...