The Odessa American is the leading source of local news, information, entertainment and sports for the Permian Basin.

Downy mildew of impatiens is a serious disease in the United States, caused by the fungus-like Oomycete, Plasmopara obducens. Originally found in Europe, impatiens downy mildew was detected in ...

Impatiens’ easy-care nature, season-long bloom and shade tolerance made it one of the most popular garden annuals. The ...

The cooler weather of fall means conditions are right for downy mildew diseases to develop. Besides the downy mildew that attacks cucumbers, which I have mentioned in previous columns, four other ...

Your description indicates that you have had downy mildew on your impatiens. Downy mildew of impatiens has been observed in the United States since about 1994 but became more widespread and ...

America's favorite bedding flower is in big trouble, and that trouble has reached the Bay Area. Common impatiens, or Impatiens walleriana, once relatively free of pests, is now contracting a disease ...

Mildews are the most common and most devastating diseases infecting cucumbers and other members of the cucurbit family of plants, which include squashes, pumpkins, zucchini and melons. There are two ...

Downy mildew is the most economically important pathogen infecting lettuce Research to benefit conventional and organic farmers and reduce crop loss Research will provide consumers food grown using ...

October 2025 | Written by: Andrew Kness, M.Sc. Extension Research Assistant, Nathan Kleczewski, Ph.D. Extension Plant Pathologist, Kathryne Everts, Ph.D. Extension Vegetable Plant Pathologist Downy ...

Downy mildew, caused by a range of oomycete pathogens, remains a formidable challenge in agriculture, affecting numerous crops worldwide and resulting in significant yield losses. The pathogen’s ...

Impatiens’ easy-care nature, season-long bloom, and shade tolerance made it one of the most popular garden annuals. The ...