red blotch disease Content / red blotch disease Content for ºÙºÙÊÓƵ en ºÙºÙÊÓƵ to Build New, $5.25M Greenhouse to Protect U.S. Grapevine Collection /food/news/uc-davis-build-new-525m-greenhouse-protect-us-grapevine-collection ºÙºÙÊÓƵ is safeguarding an important U.S. grapevine collection from red blotch disease by building a new insect proof greenhouse. June 01, 2022 - 10:30am Amy M Quinton /food/news/uc-davis-build-new-525m-greenhouse-protect-us-grapevine-collection Grapevine Red Blotch Disease Threatens U.S. Grape Industry /news/grapevine-red-blotch-disease-threatens-us-grape-industry <p>University of California, Davis, scientists will lead a collaborative effort to study grapevine red blotch disease, which threatens the $162 billion U.S. grape industry. The virus causes red veins and blotches on grape leaves. The fruit on diseased plants is smaller, ripens more slowly, and its sugars and colors are muted.</p> December 10, 2019 - 11:00am Amy M Quinton /news/grapevine-red-blotch-disease-threatens-us-grape-industry