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 ...
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 ...
Cucurbit downy mildew has been confirmed in Ohio, specifically in Sandusky, Ashland, Holmes, Medina and Wayne counties. The observations have been made by area growers, the OSU Vegetable Pathology Lab ...
Downy mildew is making its annual appearance in South Carolina a little early this year and a Clemson University specialist says now is the time to protect cucurbits. Downy mildew destroys plant ...