Phytophthora infestans is the oomycete responsible for both Tomato Late Blight and Potato Late Blight and was the cause of the 1840 Irish Potato famine. Tomato Late Blightimage by Margaret McGrath,...
Overview · A strain of the fungus, Phytophthora infestans, causes late blight in tomatoes. As the common name implies, Phytophthora is prevalent on tomato hosts in late summer, after the plants have bloomed. Late blight is more common in northcentral and northeastern states but is observed in the Midwest when the humidity is high and temperatures are around 68 degrees F late in the growing season. Watch for the disease when cool, moist nights are followed by warm, humid days. Symptoms and Diagnosis ...
This vegetable pathology factsheet describes the identification and treatment of tomato late blight.
How can you prevent late blight on tomatoes? There's no silver bullet. The most important thing you can do: be alert, be prepared.
Symptoms of Late blight on tomato. Blighting of leaf-petiole (A) and appearance of white sporangia on infected green fruit (B). Phytophthorainfestans is an obligate pathogen and, thus...
Welcome to USABlight ; Welcome to USABlight, a national website that acts as an information portal on late blight. You can report disease occurrences, submit a sample for genotyping, observe current and past disease occurrence maps, and sign up for text disease alerts in your area. There are also useful links to a decision support system, and information about identification and management of the disease. Late blight of potato and tomato caused by Phytophthora infestans is a devastating disease ...
Discover the cause of tomato blight and learn how to prevent early and late blight from destroying your tomato and potato crops with this helpful guide from HGTV.
Tomato blight is a very common fungal disease that can affect all parts of the tomato plant. Learn how to identify and prevent tomato blight.
Late blight is the disease that triggered the Irish potato famine of the 1840s. It also was the first plant disease for which a microorganism was proved to be the causal agent, leading to the birth...
The meaning of LATE BLIGHT is a disease of solanaceous plants (such as the potato and tomato) that is caused by a fungus (Phytophthora infestans) and is characterized by decay of stems, leaves, and...