September 12, 2012

2012 update on Bur Oak Blight and a Potential Fungicide Treatment

Foliage diseases usually require rainy weather, but we continue to see many large bur oak trees with severe symptoms of

Emerald Ash Borer Surveillance Results, 2012

The following news release was sent Wednesday, September 12, 2012, from the Iowa Department of Agriculture & Land Stewardship, the Iowa Department of Natural Resources, and Iowa State University Extension and Outreach.

Spotted Wing Drosophila Now Present in Iowa

After watching and waiting for the past few years, the spotted wing drosophila (SWD), an invasive pest found