Spotted-wing Drosophila (SWD) Concerns for Wine Grapes, Near Harvest

August 30, 2019

Bill Hutchison, Eric Burkness, Dominique Ebbenga & Matt Clark, MN Extension IPM Program, Dept. of Entomology, Dept. of Horticultural Science, University of Minnesota, St. Paul campus

Spotted-wing Drosophila (SWD) trap catches continued to remain high at our four remaining locations this week. In addition to fall raspberry risk of damage, a key concern for grape growers should be the high numbers of SWD at Chanhassen (Hort. Research Center, HRC), and at Hastings. Read the entire article here