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 ...
Spinach (Spinacia oleracea L.), a popular and nutritious vegetable, has its cultivation majorly threatened by the downy mildew disease. This disease is caused by the host-specific pathogen Peronospora ...