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.

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.

Potato and tomato plants around the Garden State are in danger from the disease “late blight,” which quickly kills them. “Tuesday it was found in a couple potato fields in South Jersey ...

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 ...

A 101-year-old plant pathologist developed the first blight-resistant tomato in 1963. The waiting list for his new variety is already in the thousands.

You can usually tell if your tomato plants have been affected by late tomato blight by checking the leaves. “Look for small green irregularly-shaped spots surrounded by yellow rings,” says ...

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.