late blight, disease of potato and tomato plants that is caused by the water mold Phytophthora infestans. The disease occurs in humid regions with temperatures ranging between 4 and 29 °C (40 and 80 °F).

Phytophthora infestans is an oomycete or water mold, a fungus-like microorganism that causes the serious potato and tomato disease known as late blight or potato blight. Early blight, caused by Alternaria solani, is also often called "potato blight".

Sep 15, 2024 · Late Blight is a serious fungal disease of plants belonging to the family Solanaceae, especially potatoes and tomatoes. It is distributed worldwide and destructive to crops grown in the rainy season. The Irish famine, which resulted from an outbreak of this disease during 1845-1850, killed over one million people.

Jun 14, 2023 · Late blight thrives in wet conditions and specific temperatures, rapidly infecting tomato plots. This disease shows up later in the season in most regions because the oomycete pathogen prefers wet conditions and temperatures between 60° and 78° with around 90% humidity for 3-5 days.

Jan 9, 2023 · Potato late blight is caused by the oomycete pathogen Phytophthora infestans (P. infestans). The pathogen is best known for causing the devastating Irish potato famine of the 1840s, which killed over a million people, and caused another million to leave the country.

Late blight is a potentially devastating disease of tomato and potato, infecting leaves, stems, tomato fruit, and potato tubers. The disease spreads quickly in fields and can result in total crop failure if untreated.

Apr 4, 2025 · Late blight is a disease affecting not only our ‘maters but also potatoes. It doesn’t appear everywhere every year, but when it does, it’s a big problem. Learn how to identify late blight preventatively to reduce the likelihood of this problem.

Late blight is a destructive disease of tomatoes and potatoes that can quickly kill mature plants and make tomato fruits and potato tubers inedible. This factsheet covers symptoms and management.

Late blight in the potato is a plant disease caused by the pathogenic fungus Phytophthora infestans. It is a potentially devastating disease that primarily affects potato crops but can also be seen in the members of the Solanaceae family, including …

Late blight is a disease that typically causes severe symptoms on flowering plants of the family Solanaceae. The pathogen that causes late blight, Phytophthora infestans, infects a variety of Solanum spp., including eggplant, pepper, nightshades, and petunia.