― brimstead, Friday, November 10, 2017 9:59 AM (five hours ago) Bookmark Flag Post Permalink
Downy mildew refers to any of several types of oomycete microbes that are obligate parasites of plants. Downy mildews exclusively belong to Peronosporaceae. In commercial agriculture, they are a particular problem for growers of crucifers, grapes and vegetables that grow on vines.
― Evan, Friday, 10 November 2017 21:33 (six years ago) link